• Processing (Info)

    • MPEC 2015-Y57 : 2015 YT1

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 2015-Y56 Read MPEC 2015-Y58 

    M.P.E.C. 2015-Y57                                Issued 2015 Dec. 20, 16:32 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

                                   2015 YT1

Observations:
     K15Y01T* C2015 12 18.32187 05 49 53.01 +23 13 47.3          21.2 VqEY057G96
     K15Y01T  C2015 12 18.32646 05 49 54.53 +23 13 23.1          21.6 VqEY057G96
     K15Y01T  C2015 12 18.33108 05 49 56.16 +23 12 58.6          21.4 VqEY057G96
     K15Y01T  C2015 12 18.33572 05 49 57.72 +23 12 34.7          21.7 VqEY057G96
     K15Y01T  C2015 12 18.36262 05 50 07.05 +23 10 11.5                qEY057G96
     K15Y01T  C2015 12 18.36398 05 50 07.56 +23 10 04.1          21.5 VqEY057G96
     K15Y01T  C2015 12 18.36534 05 50 07.99 +23 09 56.9          21.9 VqEY057G96
     K15Y01T  C2015 12 18.36671 05 50 08.53 +23 09 50.3                qEY057G96
     K15Y01T  C2015 12 18.40997 05 50 23.76 +23 05 56.0          21.5 VqEY057G96
     K15Y01T  C2015 12 18.41216 05 50 24.51 +23 05 44.3          20.9 VqEY057G96
     K15Y01T  C2015 12 18.41660 05 50 26.13 +23 05 19.6          21.5 VqEY057G96
     K15Y01T KC2015 12 18.45390 05 50 39.77 +23 01 56.4          20.9 RoEY057291
     K15Y01T KC2015 12 18.45532 05 50 40.28 +23 01 48.8          20.9 RoEY057291
     K15Y01T KC2015 12 18.45675 05 50 40.79 +23 01 40.7          20.8 RoEY057291
     K15Y01T  C2015 12 19.31285 05 56 48.74 +21 42 32.1          20.5 RoEY057926
     K15Y01T  C2015 12 19.31807 05 56 50.74 +21 42 01.5          20.8 RoEY057926
     K15Y01T  C2015 12 19.32330 05 56 52.68 +21 41 30.9          20.7 RoEY057926
     K15Y01T  C2015 12 19.32705 05 56 54.12 +21 41 05.4          21.0 VqEY057G96
     K15Y01T  C2015 12 19.33514 05 56 57.14 +21 40 17.8          20.7 VqEY057G96
     K15Y01T  C2015 12 19.34323 05 57 00.21 +21 39 30.2          21.4 VqEY057G96
     K15Y01T  C2015 12 19.35133 05 57 03.27 +21 38 39.4          19.8 VqEY057G96
     K15Y01T  C2015 12 20.32441 06 04 29.02 +19 57 40.8          20.1 RoEY057926
     K15Y01T  C2015 12 20.32838 06 04 30.60 +19 57 14.3          20.3 RoEY057926
     K15Y01T  C2015 12 20.33256 06 04 32.31 +19 56 46.7          20.6 RoEY057926

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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 + CCD.

Orbital elements:
2015 YT1                                                 Earth MOID = 0.0300 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
M 355.49262              (2000.0)            P               Q
n   0.53644396     Peri.  218.53760     -0.56099777     -0.82411803
a   1.5000986      Node   265.71967     +0.77761198     -0.49223359
e   0.3432787      Incl.    4.49611     +0.28390336     -0.28024198
P   1.84           H   27.0           G   0.15           U   7
Residuals in seconds of arc
151218 G96  0.5+  0.2+    151218 G96  0.1+  0.1-    151219 926  0.3-  0.5+
151218 G96  0.3-  0.0     151218 G96  0.3-  0.1+    151219 G96  0.2+  0.2-
151218 G96  0.2+  0.2-    151218 G96  0.1+  0.4-    151219 G96  0.2-  0.1-
151218 G96  0.3-  0.3+    151218 291  0.2+  0.0     151219 G96  0.1-  0.3+
151218 G96  0.2-  0.2-    151218 291  0.0   0.3+    151219 G96  0.2-  2.3-
151218 G96  0.3+  0.3-    151218 291  0.2-  0.1+    151220 926  0.7+  0.3+
151218 G96  0.3-  0.2-    151219 926  0.5-  0.3+    151220 926  0.0   0.1+
151218 G96  0.6+  0.5+    151219 926  0.1+  0.4+    151220 926  0.2-  0.2+

Ephemeris:
2015 YT1                 a,e,i = 1.50, 0.34, 4                   q = 0.9851
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2015 11 20    04 29 34.3 +35 21 52   0.1764  1.1562   160.7    16.4    24.4
...
2015 12 05    04 54 45.8 +33 11 55   0.1070  1.0907   168.8    10.1    23.0
...
2015 12 13    05 21 00.8 +28 59 32   0.07619 1.0604   174.1     5.5    22.0
...
2015 12 19    05 54 33.6 +22 13 00   0.05642 1.0403   177.5     2.4    21.1
2015 12 20    06 01 57.1 +20 33 16   0.05350 1.0372   175.9     3.9    21.1
2015 12 21    06 09 59.3 +18 41 06   0.05071 1.0342   173.9     5.8    21.1
...
2015 12 27    07 14 32.2 +01 54 13   0.03783 1.0178   154.9    24.2    21.1
...
2016 01 04    09 24 03.1 -29 06 00   0.03721 1.0007   117.0    61.1    22.0
...
2016 01 19    12 32 58.7 -46 35 14   0.07187 0.9854    89.2    86.6    24.3

A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-Y57

    Read MPEC 2015-Y56 Read MPEC 2015-Y58

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)