MPEC 2017-S138: 2017 SD12
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Read MPEC 2017-S139
M.P.E.C. 2017-S138 Issued 2017 Sept. 25, 21:03 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 SD12
Observations:
K17S12D* C2017 09 22.22837 00 26 16.74 -03 14 58.6 16.6 VqES138G96
K17S12D C2017 09 22.22855 00 26 17.11 -03 15 01.4 16.6 VqES138G96
K17S12D C2017 09 22.22872 00 26 17.49 -03 15 04.2 16.8 VqES138G96
K17S12D C2017 09 22.22889 00 26 17.86 -03 15 07.0 16.9 VqES138G96
K17S12D C2017 09 22.28152 00 28 09.93 -03 29 07.3 16.4 VqES138I52
K17S12D C2017 09 22.28165 00 28 10.18 -03 29 09.3 16.6 VqES138I52
K17S12D C2017 09 22.28178 00 28 10.44 -03 29 11.2 16.6 VqES138I52
K17S12D C2017 09 22.28190 00 28 10.70 -03 29 13.3 16.7 VqES138I52
K17S12D C2017 09 22.40158 00 32 12.81 -03 59 24.7 15.8 VqES138G96
K17S12D C2017 09 22.40175 00 32 13.16 -03 59 27.5 15.2 VqES138G96
K17S12D C2017 09 22.40191 00 32 13.48 -03 59 29.6 16.4 VqES138G96
K17S12D C2017 09 22.42166 00 33 18.23 -04 02 38.1 16.8 cLES138T05
K17S12D C2017 09 22.43016 00 33 34.45 -04 04 41.8 17.0 cLES138T05
K17S12D C2017 09 22.43740 00 33 48.18 -04 06 26.5 17.0 cLES138T05
K17S12D C2017 09 22.44418 00 34 00.99 -04 08 04.1 17.0 cLES138T05
K17S12D |C2017 09 22.48740 00 35 51.40 -04 09 46.5 16.0 RoES138Q62
K17S12D |C2017 09 22.49225 00 36 00.68 -04 10 56.1 16.1 RoES138Q62
K17S12D |C2017 09 22.50133 00 36 17.89 -04 13 05.7 17.1 RoES138Q62
K17S12D |C2017 09 22.50621 00 36 27.06 -04 14 14.5 17.0 RoES138Q62
K17S12D KC2017 09 22.55572 00 37 56.90 -04 25 24.8 16.9 VqES138E23
K17S12D KC2017 09 22.55988 00 38 04.41 -04 26 22.1 16.5 VqES138E23
K17S12D KC2017 09 22.56405 00 38 11.92 -04 27 19.0 16.9 VqES138E23
K17S12D KC2017 09 22.57267 00 38 27.35 -04 29 15.8 17.5 VqES138E23
K17S12D KC2017 09 22.57693 00 38 34.99 -04 30 13.9 16.9 VqES138E23
K17S12D KC2017 09 22.58118 00 38 42.58 -04 31 12.0 17.7 VqES138E23
K17S12D KC2017 09 22.84877 00 47 10.39 -05 38 27.0 16.7 RqES138113
K17S12D KC2017 09 22.85050 00 47 13.28 -05 38 47.6 16.7 RqES138113
K17S12D KC2017 09 22.85225 00 47 16.14 -05 39 07.6 16.7 RqES138113
K17S12D KC2017 09 22.85400 00 47 18.97 -05 39 28.2 16.9 RqES138113
K17S12D KC2017 09 22.87519000 47 53.06 -05 43 34.7 16.9 VUES138G34
K17S12D KC2017 09 22.87647900 47 55.14 -05 43 49.9 16.9 VUES138G34
K17S12D KC2017 09 22.87776900 47 57.17 -05 44 04.7 17.1 VUES138G34
K17S12D KC2017 09 22.87905900 47 59.25 -05 44 19.8 16.8 VUES138G34
K17S12D C2017 09 22.90923300 48 50.31 -05 49 33.6 UES138B04
K17S12D C2017 09 22.90971400 48 51.07 -05 49 40.4 16.8 UES138B04
K17S12D C2017 09 22.91019200 48 51.82 -05 49 45.2 16.6 UES138B04
K17S12D C2017 09 22.91067000 48 52.56 -05 49 50.7 16.9 UES138B04
K17S12D C2017 09 22.91115200 48 53.32 -05 49 56.1 16.6 UES138B04
K17S12D KC2017 09 22.92079 00 49 08.15 -05 51 51.9 16.6 RqES138K30
K17S12D KC2017 09 22.92408 00 49 13.17 -05 52 28.7 16.4 RqES138K30
K17S12D KC2017 09 22.92740 00 49 18.28 -05 53 06.3 16.4 RqES138K30
K17S12D KC2017 09 22.93508 00 49 29.24 -05 54 16.0 16.8 RqES138104
K17S12D KC2017 09 22.94027 00 49 37.12 -05 55 13.9 16.6 RqES138104
K17S12D KC2017 09 22.94392 00 49 42.65 -05 55 54.3 16.6 RqES138104
K17S12D KC2017 09 22.96914 00 50 19.18 -06 00 42.6 17.1 VqES138595
K17S12D KC2017 09 22.96993 00 50 20.37 -06 00 51.6 17.1 VqES138595
K17S12D KC2017 09 22.97073 00 50 21.55 -06 01 00.6 17.2 VqES138595
K17S12D KC2017 09 22.97153 00 50 22.76 -06 01 08.9 17.2 VqES138595
K17S12D KC2017 09 22.99539 00 51 04.96 -06 06 02.3 17.9 RoES138J41
K17S12D KC2017 09 23.00189 00 51 14.68 -06 07 12.0 18.0 RoES138J41
K17S12D KC2017 09 23.00823 00 51 24.14 -06 08 20.3 17.9 RoES138J41
K17S12D KC2017 09 23.09563 00 53 53.02 -06 12 23.3 17.1 qES138I39
K17S12D KC2017 09 23.10208 00 54 01.96 -06 13 31.9 16.7 qES138I39
K17S12D KC2017 09 23.13081 00 54 41.63 -06 18 29.0 16.9 qES138I39
K17S12D KC2017 09 23.23006 00 57 05.65 -06 44 02.1 17.7 RqES138850
K17S12D KC2017 09 23.23442 00 57 21.33 -06 44 15.8 17.6 VqES138G48
K17S12D KC2017 09 23.23570 00 57 23.03 -06 44 27.8 16.8 VqES138G48
K17S12D KC2017 09 23.23760 00 57 25.50 -06 44 46.8 17.9 VqES138G48
K17S12D KC2017 09 23.24599 00 57 26.08 -06 46 35.8 17.3 RqES138850
K17S12D KC2017 09 23.27305 00 58 00.70 -06 50 52.1 17.7 RqES138850
K17S12D KC2017 09 23.27537 00 58 02.93 -06 51 37.0 17.5 VqES138W25
K17S12D KC2017 09 23.28790 00 58 18.85 -06 53 33.3 17.4 VqES138W25
K17S12D KC2017 09 23.28958600 58 22.53 -06 53 51.4 17.6 VuES138H21
K17S12D KC2017 09 23.29163300 58 25.12 -06 54 10.1 17.6 VuES138H21
K17S12D KC2017 09 23.29181 00 58 24.36 -06 53 46.4 17.4 RqES138850
K17S12D KC2017 09 23.29343900 58 27.41 -06 54 27.0 17.6 VuES138H21
K17S12D KC2017 09 23.29524400 58 29.69 -06 54 43.8 17.6 VuES138H21
K17S12D KC2017 09 23.29759100 58 32.65 -06 55 05.5 17.5 VuES138H21
K17S12D KC2017 09 23.30988 00 58 46.91 -06 56 32.2 17.4 RqES138850
K17S12D C2017 09 23.31006 00 58 58.46 -06 56 17.0 17.8 VqES138703
K17S12D C2017 09 23.31050 00 58 59.17 -06 56 23.2 qES138703
K17S12D KC2017 09 23.89434 01 11 13.00 -08 16 07.5 17.2 RqES138A17
K17S12D KC2017 09 23.89677 01 11 15.50 -08 16 25.3 17.4 RqES138A17
K17S12D KC2017 09 23.90361 01 11 22.40 -08 17 13.9 17.5 RqES138A17
K17S12D KC2017 09 23.90606 01 11 24.87 -08 17 31.8 17.3 RqES138A17
K17S12D KC2017 09 23.92956 01 11 48.74 -08 19 55.2 17.3 RqES138160
K17S12D KC2017 09 23.93233 01 11 51.44 -08 20 14.9 17.3 RqES138160
K17S12D KC2017 09 23.93376 01 11 52.82 -08 20 24.9 17.2 RqES138160
K17S12D KC2017 09 23.93466101 11 54.18 -08 20 34.4 16.8 VUES138K41
K17S12D KC2017 09 23.93513 01 11 54.15 -08 20 34.5 17.3 RqES138160
K17S12D KC2017 09 23.93567701 11 55.23 -08 20 41.5 17.0 VUES138K41
K17S12D KC2017 09 23.93669301 11 56.13 -08 20 48.5 16.8 VUES138K41
K17S12D KC2017 09 23.93771201 11 57.14 -08 20 56.3 16.6 VUES138K41
K17S12D KC2017 09 23.93796 01 11 56.90 -08 20 54.5 17.3 RqES138160
K17S12D KC2017 09 23.94273 01 12 04.61 -08 21 13.9 18.3 RqES138B49
K17S12D KC2017 09 23.94386 01 12 05.69 -08 21 21.9 18.0 RqES138B49
K17S12D KC2017 09 23.94465 01 12 06.46 -08 21 27.4 18.1 RqES138B49
K17S12D KC2017 09 23.95108 01 12 13.28 -08 22 22.2 17.2 VUES138958
K17S12D KC2017 09 23.95988 01 12 21.77 -08 23 23.4 17.5 VUES138958
K17S12D KC2017 09 23.96878 01 12 30.30 -08 24 25.6 18.0 VUES138958
K17S12D KC2017 09 24.08799 01 14 40.62 -08 29 18.1 17.8 qES138I39
K17S12D KC2017 09 24.10836 01 14 59.07 -08 31 36.3 17.5 qES138I39
K17S12D KC2017 09 24.11922 01 15 08.71 -08 32 49.2 17.8 qES138I39
K17S12D C2017 09 24.21628 01 16 31.16 -08 43 13.3 17.3 oES138844
K17S12D C2017 09 24.21880 01 16 33.24 -08 43 27.4 17.6 oES138844
K17S12D C2017 09 24.22133 01 16 35.43 -08 43 44.6 17.6 oES138844
K17S12D C2017 09 24.22385 01 16 37.63 -08 44 00.5 17.7 oES138844
K17S12D C2017 09 24.22637 01 16 39.71 -08 44 16.1 17.6 oES138844
K17S12D KC2017 09 24.29371 01 17 45.69 -08 58 41.4 18.0 VqES138W25
K17S12D KC2017 09 24.33201 01 18 16.95 -09 02 25.1 18.1 VqES138W25
K17S12D C2017 09 25.35981 01 31 44.83 -10 24 47.0 18.0 VqES138I52
K17S12D C2017 09 25.36022 01 31 45.05 -10 24 48.7 18.2 VqES138I52
K17S12D C2017 09 25.36064 01 31 45.27 -10 24 50.4 18.5 VqES138I52
K17S12D C2017 09 25.36106 01 31 45.50 -10 24 52.0 17.9 VqES138I52
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.
113 Volkssternwarte Drebach, Schoenbrunn. Observers G. Lehmann, K. Lehmann.
0.5-m f/4.6 reflector + CCD.
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.61-m f/4.0 reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
844 Los Molinos. Observer R. Salvo. 0.35-m reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, H. H. Rice.
Measurer D. T. Durig.
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer
P. Dupouy. 0.43-m f/2.7 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B04 OAVdA, Saint-Barthelemy. Observers A. Carbognani, L. Buzzi, M. Collotti,
M. Wolter. 0.81-m f/4.7 reflector + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 Newtonian
reflector + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.25-m f/10 Schmidt-Cassegrain + CCD
+ f/6.3 focal reducer.
G48 Harlingten Research Observatory, Rancho Hildalgo. Observers C. Harlingten,
M. Mills. Measurer M. Mills. 0.40-m f/6.7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
I39 Observatorio Cruz del Sur, San Justo. Observer A. Chapman. 0.20-m f/4
reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard,
D. C. Fuls. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
J41 Raheny. Observer D. Grennan. 0.35-m f/3.8 reflector + CCD.
K30 Luscherz. Observer L. Grimm. 0.25-m f/4.8 Newtonian reflector + CCD.
K41 Vegaquattro Astronomical Obs., Novi Ligure. Observer v. luna. 0.3-m
Schmidt-Cassegrain + CCD.
Q62 iTelescope Observatory, Siding Spring. Observers S. Foglia, L. Buzzi,
P. Concari, C. Cremaschini, G. Galli, M. Tombelli. 0.15-m f/7 refractor
+ CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, A. Heinze, H. Weiland,
B. Stalder, J. Tonry. Measurers L. Denneau, A. Heinze, J. Tonry. 0.5-m
f/2.0 Schmidt + CCD.
W25 RMS Observatory, Cincinnati. Observer B. Rowe. 0.35-m Schmidt-Cassegrain
+ CCD.
Orbital elements:
2017 SD12 Earth MOID = 0.0072 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 6.46293 (2000.0) P Q
n 0.52885908 Peri. 145.03978 +0.80601681 +0.59188600
a 1.5144075 Node 178.65944 -0.56670166 +0.77307142
e 0.3610701 Incl. 6.88383 -0.17083948 +0.22810424
P 1.86 H 25.2 G 0.15 U 6
Residuals in seconds of arc
170922 G96 0.3+ 0.2- 170922 B04 0.1- 0.0 170923 703 1.7+ 1.6-
170922 G96 0.0 0.0 170922 B04 0.2- 0.1- 170923 A17 0.3- 0.1-
170922 G96 0.1+ 0.1- 170922 B04 0.0 0.0 170923 A17 0.2+ 0.4-
170922 G96 0.1+ 0.1- 170922 K30 0.8+ 0.1- 170923 A17 0.2- 0.2+
170922 I52 0.1+ 0.2- 170922 K30 0.2- 0.1+ 170923 A17 0.2- 0.2-
170922 I52 0.2- 0.2- 170922 K30 0.3- 0.2- 170923 160 0.0 0.0
170922 I52 0.4- 0.0 170922 104 0.1- 0.1+ 170923 160 0.0 0.1-
170922 I52 0.2- 0.2- 170922 104 0.0 0.1+ 170923 160 0.1- 0.0
170922 G96 0.3- 0.1+ 170922 104 0.1+ 0.2+ 170923 K41 0.1+ 0.3+
170922 G96 0.1- 0.2- 170922 595 0.1- 0.3+ 170923 160 0.1- 0.0
170922 G96 0.0 0.0 170922 595 0.1+ 0.1- 170923 K41 1.0+ 0.4+
170922 T05 0.2- 0.1- 170922 595 0.1- 0.4- 170923 K41 0.3- 0.5+
170922 T05 0.0 0.1- 170922 595 0.2+ 0.1+ 170923 K41 0.1- 0.1-
170922 T05 0.2- 0.0 170922 J41 0.6- 0.2+ 170923 160 0.1- 0.1-
170922 T05 0.3- 0.1+ 170923 J41 0.5- 0.5+ 170923 B49 0.2+ 0.3+
170922 Q62 0.2- 0.5+ 170923 J41 0.2- 0.1+ 170923 B49 0.0 0.2+
170922 Q62 0.2+ 0.2+ 170923 I39 1.1+ 0.1+ 170923 B49 0.0 0.3+
170922 Q62 0.2+ 0.2- 170923 I39 0.3- 0.8- 170923 958 0.6+ 0.6-
170922 Q62 0.1- 0.1+ 170923 I39 0.0 0.5+ 170923 958 0.3+ 0.2-
170922 E23 0.3+ 0.1+ 170923 850 0.3+ 0.3+ 170923 958 0.1+ 0.4-
170922 E23 0.3+ 0.2- 170923 G48 0.8- 0.2- 170924 I39 0.3+ 0.5+
170922 E23 0.3+ 0.1- 170923 G48 0.5- 0.2+ 170924 I39 0.0 0.3-
170922 E23 0.1- 0.5+ 170923 G48 0.8- 0.3- 170924 I39 0.8- 0.6-
170922 E23 0.3+ 0.2+ 170923 850 1.4- 0.4- 170924 844 0.4- 0.3-
170922 E23 0.6+ 0.4- 170923 850 0.7+ 0.4- 170924 844 0.9- 1.3+
170922 113 0.1- 0.1- 170923 W25 0.1- 0.0 170924 844 0.2+ 0.2-
170922 113 0.7+ 0.5- 170923 W25 0.0 0.4+ 170924 844 1.6+ 0.6-
170922 113 0.5+ 0.0 170923 H21 0.2- 0.0 170924 844 1.2+ 0.6-
170922 113 0.0 0.2- 170923 H21 0.2- 0.3+ 170924 W25 0.1- 0.0
170922 G34 0.1+ 0.4+ 170923 850 0.7+ 0.2+ 170924 W25 0.4+ 0.3+
170922 G34 0.3+ 0.0 170923 H21 0.1- 0.2+ 170925 I52 0.2- 0.0
170922 G34 0.3- 0.1+ 170923 H21 0.1- 0.1+ 170925 I52 0.2- 0.1-
170922 G34 0.1- 0.2- 170923 H21 0.1- 0.1+ 170925 I52 0.3- 0.1-
170922 B04 0.3- 0.7+ 170923 850 0.7- 0.8+ 170925 I52 0.3- 0.0
170922 B04 0.2- 0.6- 170923 703 0.7- 0.5+
Ephemeris:
2017 SD12 a,e,i = 1.51, 0.36, 7 q = 0.9676
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 08 26 14 46 19.8 +17 33 44 0.1133 0.9682 65.0 108.9 24.5
...
2017 09 10 15 19 50.7 +19 33 05 0.04552 0.9862 61.7 116.0 23.0
...
2017 09 18 17 55 11.7 +24 48 13 0.01149 1.0054 92.2 87.1 18.6
...
2017 09 24 01 12 53.3 -08 22 36 0.02156 1.0236 160.6 19.0 17.9
2017 09 25 01 27 35.2 -09 55 30 0.02592 1.0269 157.3 22.2 18.4
2017 09 26 01 38 02.8 -10 59 29 0.03038 1.0303 155.1 24.2 18.8
...
2017 10 02 02 05 42.8 -13 36 02 0.05811 1.0522 151.2 27.3 20.4
...
2017 10 10 02 15 19.8 -14 13 55 0.09671 1.0852 152.3 25.3 21.5
...
2017 10 25 02 16 41.4 -13 09 36 0.1761 1.1557 154.4 21.8 22.8
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S138
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