[Iaude] MPEC A44: 2017 AS4 [a=2.17,e=0.68,i=1.9,H=26.7]

mpec at si.edu mpec at si.edu
Fri Jan 6 19:16:06 EST 2017


M.P.E.C. 2017-A44                                Issued 2017 Jan. 7, 00:11 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 AS4
 
Observations:
     K17A04S* C2017 01 05.23406 07 11 01.55 +20 32 19.5          20.4 VqEA044G96
     K17A04S  C2017 01 05.23836 07 11 03.00 +20 32 24.1          19.9 VqEA044G96
     K17A04S  C2017 01 05.24263 07 11 04.47 +20 32 28.8          19.9 VqEA044G96
     K17A04S  C2017 01 05.24691 07 11 05.95 +20 32 33.2          19.9 VqEA044G96
     K17A04S  C2017 01 05.29212 07 11 21.46 +20 33 18.3          20.0 VqEA044G96
     K17A04S  C2017 01 05.29391 07 11 22.07 +20 33 19.9          20.3 VqEA044G96
     K17A04S  C2017 01 05.29559 07 11 22.63 +20 33 21.5          19.9 VqEA044G96
     K17A04S  C2017 01 05.32427 07 11 32.59 +20 33 47.4          19.8 VqEA044I52
     K17A04S  C2017 01 05.32503 07 11 32.86 +20 33 48.1          19.8 VqEA044I52
     K17A04S  C2017 01 05.32579 07 11 33.14 +20 33 48.8          19.7 VqEA044I52
     K17A04S  C2017 01 05.32656 07 11 33.41 +20 33 49.6          19.8 VqEA044I52
     K17A04S 1C2017 01 05.39439 07 12 01.95 +20 33 43.9                 EA044658
     K17A04S 1C2017 01 05.39524 07 12 02.27 +20 33 44.7                 EA044658
     K17A04S 1C2017 01 05.39611 07 12 02.62 +20 33 45.4                 EA044658
     K17A04S 1C2017 01 05.39697 07 12 02.93 +20 33 46.2                 EA044658
     K17A04S 1C2017 01 05.39784 07 12 03.28 +20 33 46.8                 EA044658
     K17A04S KC2017 01 05.89639 07 16 47.03 +20 42 33.2          19.7 VqEA044I93
     K17A04S KC2017 01 05.90227 07 16 50.39 +20 42 42.3          18.7 VqEA044I93
     K17A04S KC2017 01 05.91083 07 16 55.31 +20 42 54.8          19.5 VqEA044I93
     K17A04S KC2017 01 05.91759 07 16 56.74 +20 43 14.5          18.5  qEA044104
     K17A04S KC2017 01 05.92312 07 16 59.81 +20 43 21.5          18.5  qEA044104
     K17A04S KC2017 01 05.92571 07 17 01.32 +20 43 26.1          18.7  qEA044104
     K17A04S KC2017 01 05.93641 07 17 07.39 +20 43 40.8          18.8  qEA044104
     K17A04S KC2017 01 06.01436 07 17 53.17 +20 45 13.4          18.8 RqEA044203
     K17A04S KC2017 01 06.03221 07 18 04.02 +20 45 34.0                qEA044203
     K17A04S KC2017 01 06.04448 07 18 11.58 +20 45 48.6          18.9 RqEA044203
     K17A04S  C2017 01 06.29235 07 21 34.78 +20 53 04.6          18.7 RoEA044926
     K17A04S  C2017 01 06.29596 07 21 37.43 +20 53 10.1          18.9 RoEA044926
     K17A04S  C2017 01 06.29878 07 21 39.52 +20 53 15.2          18.7 RoEA044926
     K17A04S KC2017 01 06.80685 07 31 12.02 +21 06 23.9          18.5 RqEA044587
     K17A04S KC2017 01 06.80999 07 31 16.23 +21 06 32.4                qEA044587
     K17A04S KC2017 01 06.81408 07 31 21.68 +21 06 43.8                qEA044587
     K17A04S KC2017 01 06.81882 07 31 27.99 +21 06 46.5          18.3 RqEA044K30
     K17A04S KC2017 01 06.83301 07 31 47.23 +21 07 26.0          18.0 RqEA044K30
     K17A04S KC2017 01 06.84683 07 32 06.06 +21 08 03.7          18.3 RqEA044K30
     K17A04S KC2017 01 06.87793 07 32 48.84 +21 09 54.9          18.2 RqEA044160
     K17A04S KC2017 01 06.88030 07 32 52.10 +21 10 01.0          18.1 RqEA044160
     K17A04S KC2017 01 06.88268 07 32 55.39 +21 10 07.9          17.9 RqEA044160
 
Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, M. D. Grazia.
    Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
160 Castelmartini.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
    Measurer E. Prosperi.  0.35-m f/10 Schmidt-Cassegrain + CCD.
203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
    0.28-m f/6.8 Schmidt-Cassegrain + CCD.
587 Sormano.  Observers A. Fumagalli, I. Proserpio, P. Sicoli, A. Testa.
    Measurers F. P. Sicoli TEL 0. 5-m f/6. 8 reflector, F. P. Sicoli.  0.5-m
    f/6.8 reflector + CCD.
658 National Research Council of Canada.  Observer D. D. Balam.  1.82-m
    Plaskett telescope + 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 G. J. Leonard.
    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.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
K30 Luscherz.  Observer L. Grimm.  0.25-m f/4.8 Newtonian reflector + CCD.
 
Orbital elements:
2017 AS4                                                 Earth MOID = 0.0010 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 358.46094              (2000.0)            P               Q
n   0.30872213     Peri.   76.04770     -0.99812523     +0.05216065
a   2.1681577      Node   106.93483     -0.06051398     -0.91941343
e   0.6805278      Incl.    1.91814     +0.00916967     -0.38981818
P   3.19           H   26.7           G   0.15           U   7
Residuals in seconds of arc
170105 G96  0.0   0.1+    170105 658  0.9+  0.6-    170106 926  0.1-  0.2+
170105 G96  0.4-  0.2+    170105 658  0.6+  0.5-    170106 926  0.3-  0.3-
170105 G96  0.3-  0.3+    170105 658  0.7+  0.6-    170106 926  0.3-  0.1+
170105 G96  0.1-  0.3+    170105 I93  0.3-  0.2-    170106 587  0.6+  0.1-
170105 G96  0.1-  0.2+    170105 I93  0.4-  0.1+    170106 587  0.7+  0.2-
170105 G96  0.2-  0.1+    170105 I93  0.2-  0.2-    170106 587  0.2+  0.0
170105 G96  0.5-  0.1+    170105 104  0.2+  0.6+    170106 K30  0.3+  0.3-
170105 I52  0.5-  0.0     170105 104  0.4-  0.1-    170106 K30  0.4+  0.2+
170105 I52  0.5-  0.0     170105 104  0.2+  0.9+    170106 K30  0.1-  0.1-
170105 I52  0.3-  0.1+    170105 104  0.4+  0.9+    170106 160  0.2-  0.1+
170105 I52  0.3-  0.2+    170106 203  0.4-  0.2+    170106 160  0.5-  0.2-
170105 658  0.9+  0.7-    170106 203  0.1+  0.4-    170106 160  0.7-  0.2+
170105 658  0.8+  0.6-    170106 203  0.3+  0.0

Ephemeris:
2017 AS4                 a,e,i = 2.17, 0.68, 2                   q = 0.6927
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 12 08    06 45 21.3 +20 06 42   0.3651  1.3255   155.3    18.1    26.1
...
2016 12 23    06 51 21.1 +19 55 11   0.1825  1.1633   168.9     9.4    24.0
...
2016 12 31    06 56 20.5 +20 01 37   0.09351 1.0766   175.4     4.2    22.1
...
2017 01 06    07 17 45.4 +20 47 00   0.02914 1.0124   177.1     2.8    19.3
2017 01 07    07 35 46.7 +21 18 11   0.01862 1.0019   174.4     5.5    18.5
2017 01 08    08 39 09.7 +22 09 15   0.0084630.9913   160.9    18.9    17.3
...
2017 01 14    18 31 53.8 -18 54 51   0.05659 0.9295    16.8   162.2    32.1
...
2017 01 22    18 43 19.1 -19 25 45   0.1441  0.8523    22.0   154.4    31.5
...
2017 02 06    18 58 34.0 -19 41 44   0.3244  0.7376    33.5   132.5    29.6

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-A44




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