[Iaude] MPEC U73: 2017 UD1 [a=1.13,e=0.15,i=22.2,H=24.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Oct 19 12:15:16 EDT 2017


M.P.E.C. 2017-U73                                Issued 2017 Oct. 19, 16:11 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 UD1
 
Observations:
     K17U01D* C2017 10 16.25846 01 04 43.37 +01 30 59.0          20.0 GUEU073G96
     K17U01D  C2017 10 16.26365 01 04 43.79 +01 29 29.4          19.9 GUEU073G96
     K17U01D  C2017 10 16.26884 01 04 44.19 +01 27 59.7                UEU073G96
     K17U01D  C2017 10 16.27404 01 04 44.60 +01 26 29.3          20.1 GUEU073G96
     K17U01D  C2017 10 16.43445 01 04 57.91 +00 40 10.3          19.9 GUEU073I52
     K17U01D  C2017 10 16.43541 01 04 58.03 +00 39 53.4          20.0 GUEU073I52
     K17U01D  C2017 10 16.43638 01 04 58.11 +00 39 36.3          20.2 GUEU073I52
     K17U01D  C2017 10 16.43735 01 04 58.20 +00 39 19.9          19.9 GUEU073I52
     K17U01D  C2017 10 17.28086 01 06 43.52 -03 27 23.9          20.1 GUEU073G96
     K17U01D  C2017 10 17.28614 01 06 43.93 -03 28 57.6                UEU073G96
     K17U01D  C2017 10 17.29140 01 06 44.37 -03 30 29.9                UEU073G96
     K17U01D  C2017 10 17.29671 01 06 44.81 -03 32 04.0          20.0 GUEU073G96
     K17U01D  C2017 10 17.31076 01 06 45.93 -03 36 11.3          21.7 RoEU073926
     K17U01D  C2017 10 17.31362 01 06 46.16 -03 37 01.7          21.7 RoEU073926
     K17U01D  C2017 10 17.31647 01 06 46.38 -03 37 52.3          21.7 RoEU073926
     K17U01D  C2017 10 17.35731 01 06 49.83 -03 49 56.9          19.7 GUEU073I52
     K17U01D  C2017 10 17.35827 01 06 49.93 -03 50 13.9          19.7 GUEU073I52
     K17U01D  C2017 10 17.35924 01 06 50.01 -03 50 31.0          20.1 GUEU073I52
     K17U01D  C2017 10 17.36020 01 06 50.08 -03 50 48.0          19.9 GUEU073I52
     K17U01D  C2017 10 17.39229 01 06 52.90 -04 00 15.9          19.8 GUEU073I52
     K17U01D  C2017 10 17.39427 01 06 53.09 -04 00 51.0          19.4 GUEU073I52
     K17U01D  C2017 10 17.39525 01 06 53.19 -04 01 08.4          19.6 GUEU073I52
     K17U01D KC2017 10 17.90306 01 08 00.70 -06 31 53.3          19.7  tEU073K63
     K17U01D KC2017 10 17.90611 01 08 00.98 -06 32 46.9          19.6  tEU073K63
     K17U01D KC2017 10 17.90832 01 08 01.17 -06 33 26.8          20.1  tEU073K63
     K17U01D KC2017 10 19.27535 01 10 52.59 -13 18 12.4                oEU073291
     K17U01D KC2017 10 19.27796 01 10 52.82 -13 18 58.9                oEU073291
     K17U01D KC2017 10 19.28063 01 10 53.04 -13 19 45.6                oEU073291
 
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 + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
    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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.40-m
    f/3.2 Newtonian reflector + CCD.
 
Orbital elements:
2017 UD1                                                 Earth MOID = 0.0770 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 261.64825              (2000.0)            P               Q
n   0.82067250     Peri.  261.70661     -0.19978858     -0.97010631
a   1.1298552      Node   201.38623     +0.97968654     -0.19529298
e   0.1542478      Incl.   22.19675     +0.01728580     -0.14406386
P   1.20           H   24.8           G   0.15           U   7
Residuals in seconds of arc
171016 G96  0.4-  0.1-    171017 G96  0.1-  0.4+    171017 I52  0.0   0.1+
171016 G96  0.2-  0.0     171017 G96  0.0   0.3+    171017 I52  0.2+  0.1+
171016 G96  0.2-  0.0     171017 926  0.3-  0.1+    171017 K63  0.7+  0.7-
171016 G96  0.1-  0.6-    171017 926  0.3-  0.3+    171017 K63  0.8+  0.0
171016 I52  0.0   0.3+    171017 926  0.5-  0.2+    171017 K63  0.7+  0.5-
171016 I52  0.4+  0.0     171017 I52  0.1-  0.0     171019 291  0.1-  0.2+
171016 I52  0.2+  0.2-    171017 I52  0.2+  0.0     171019 291  0.1-  0.3-
171016 I52  0.2+  0.2+    171017 I52  0.1+  0.1+    171019 291  0.3-  0.2+
171017 G96  0.0   0.2-    171017 I52  0.0   0.1+
171017 G96  0.3-  0.4-    171017 I52  0.1-  0.2+

Ephemeris:
2017 UD1                 a,e,i = 1.13, 0.15, 22                  q = 0.9556
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 09 19    00 29 43.1 +54 16 26   0.2259  1.1446   123.4    47.1    23.6
...
2017 10 04    00 45 19.8 +40 54 38   0.1297  1.1071   143.3    32.7    22.0
...
2017 10 12    00 57 01.9 +19 53 31   0.09095 1.0869   167.1    11.8    20.5
...
2017 10 18    01 08 11.1 -06 58 59   0.07887 1.0719   162.5    16.2    20.3
2017 10 19    01 10 16.8 -11 55 30   0.07895 1.0694   157.4    21.0    20.5
2017 10 20    01 12 27.0 -16 48 06   0.07965 1.0669   152.2    25.8    20.6
...
2017 10 26    01 27 05.9 -41 27 41   0.09499 1.0523   125.6    50.2    21.7
...
2017 11 03    01 51 04.2 -59 52 02   0.1324  1.0336   104.7    68.2    22.9
...
2017 11 18    02 46 17.4 -73 04 46   0.2130  1.0019    87.4    80.3    24.3

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-U73



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