• MPC Preparation (Info)

    • MPEC 2016-U101: 2016 UN41

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    M.P.E.C. 2016-U101                               Issued 2016 Oct. 29, 18:54 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

                                   2016 UN41

Observations:
     K16U41N* C2016 10 25.45493 01 38 21.338+20 06 33.56         22.0 wLEU101F51
     K16U41N  C2016 10 25.46766 01 38 21.752+20 06 10.59         21.8 wLEU101F51
     K16U41N  C2016 10 25.48021 01 38 22.157+20 05 47.69         21.6 wLEU101F51
     K16U41N  C2016 10 25.49274 01 38 22.554+20 05 24.72         21.5 wLEU101F51
     K16U41N KC2016 10 26.34508 01 38 57.16 +19 39 50.3                oEU101291
     K16U41N KC2016 10 26.34851 01 38 57.26 +19 39 43.3                oEU101291
     K16U41N KC2016 10 26.35192 01 38 57.39 +19 39 37.7                oEU101291
     K16U41N _C2016 10 26.48825801 39 02.715+19 35 37.78         21.4 RUEU101568
     K16U41N _C2016 10 26.49079201 39 02.799+19 35 33.19         21.4 RUEU101568
     K16U41N KC2016 10 27.26776 01 39 34.74 +19 12 27.7                oEU101291
     K16U41N KC2016 10 27.27006 01 39 34.83 +19 12 23.3                oEU101291
     K16U41N KC2016 10 27.27238 01 39 34.90 +19 12 19.8                oEU101291
     K16U41N  C2016 10 27.41583 01 39 39.63 +19 08 03.5          21.5 VqEU101I52
     K16U41N  C2016 10 27.42025 01 39 39.85 +19 07 55.7          21.3 VqEU101I52
     K16U41N  C2016 10 27.42471 01 39 39.94 +19 07 47.0          21.7 VqEU101I52
     K16U41N KC2016 10 29.20669 01 40 52.48 +18 15 56.0          21.9 RoEU101291
     K16U41N KC2016 10 29.21144 01 40 52.60 +18 15 47.3          21.5 RoEU101291
     K16U41N KC2016 10 29.21619 01 40 52.76 +18 15 39.5          21.6 RoEU101291

Observer details:
291 LPL/Spacewatch II.  Observers R. A. Mastaler, M. T. Read.  1.8-m f/2.7
    reflector + CCD.
568 Mauna Kea.  Observers R. J. Wainscoat, C. Wipper.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
    H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
    R. Weryk.  1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    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.

Orbital elements:
2016 UN41
Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
M 350.50283              (2000.0)            P               Q
n   0.22769820     Peri.  132.30707     +0.98830969     +0.05662528
a   2.6560096      Node   224.99957     -0.09229154     +0.96122856
e   0.5011177      Incl.   11.54802     +0.12135170     +0.26987633
P   4.33           H   22.3           G   0.15           U   7
Residuals in seconds of arc
161025 F51  0.0   0.1-    161026 291  0.1-  0.3+    161027 I52  0.1-  0.0
161025 F51  0.1+  0.1+    161026 568  0.1+  0.0     161027 I52  0.9+  0.1+
161025 F51  0.1+  0.0     161026 568  0.1+  0.0     161027 I52  0.1-  0.6-
161025 F51  0.1-  0.1-    161027 291  0.3-  0.1-    161029 291  0.4+  0.3+
161026 291  0.2-  0.5+    161027 291  0.0   0.4-    161029 291  0.2-  0.3-
161026 291  0.4-  0.3-    161027 291  0.1-  0.2+    161029 291  0.1-  0.1+

Ephemeris:
2016 UN41                a,e,i = 2.66, 0.50, 12                  q = 1.3250
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 09 29    01 14 45.2 +32 32 15   0.3814  1.3390   147.4    23.7    22.0
...
2016 10 14    01 29 55.4 +25 57 25   0.3870  1.3705   161.9    13.1    21.7
...
2016 10 22    01 35 59.2 +21 51 49   0.4042  1.3940   168.9     7.9    21.6
...
2016 10 28    01 40 03.9 +18 51 03   0.4246  1.4143   170.8     6.4    21.7
2016 10 29    01 40 43.7 +18 22 00   0.4286  1.4179   170.6     6.5    21.7
2016 10 30    01 41 23.4 +17 53 21   0.4328  1.4216   170.3     6.7    21.8
...
2016 11 05    01 45 24.6 +15 11 59   0.4620  1.4448   166.5     9.2    22.0
...
2016 11 13    01 51 08.1 +12 11 05   0.5110  1.4787   159.3    13.7    22.5
...
2016 11 28    02 03 45.1 +08 27 40   0.6322  1.5499   145.6    21.1    23.3

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-U101

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