[Iaude] MPEC K161: 1998 VP [a=1.97,e=0.48,i=45.1,H=19.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon May 25 00:38:12 EDT 2020


M.P.E.C. 2020-K161                                 Issued 2020 May 25, 04:35 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 https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    1998 VP                                     


                           Revision to MPEC 1998-V19                            

Additional Observations:
     J98V00P  C2020 05 18.28821112 50 36.972-20 09 07.08         20.8 GVEK161F51
     J98V00P  C2020 05 18.29950512 50 36.343-20 08 39.86         20.8 GVEK161F51
     J98V00P  C2020 05 23.26898012 46 56.620-16 51 24.79         21.39wUEK161F52
     J98V00P  C2020 05 23.29123512 46 55.710-16 50 32.62         21.62wUEK161F52
     J98V00P  C2020 05 23.30237412 46 55.254-16 50 06.41         21.17wUEK161F52
     J98V00P KC2020 05 24.13005412 46 25.54 -16 17 51.4          21.4 VuEK161H21
     J98V00P KC2020 05 24.13613912 46 25.33 -16 17 37.5          21.7 VuEK161H21
     J98V00P KC2020 05 24.14059812 46 25.16 -16 17 27.2          21.6 VuEK161H21
     J98V00P  C2020 05 24.15584 12 46 24.81 -16 16 50.8          21.4 GVEK161V06
     J98V00P  C2020 05 24.15698 12 46 24.75 -16 16 47.6          22.2 GVEK161V06
     J98V00P  C2020 05 24.15812 12 46 24.71 -16 16 45.2          21.4 GVEK161V06
     J98V00P  C2020 05 24.15925 12 46 24.68 -16 16 42.5          21.5 GVEK161V06
     J98V00P ^C2020 05 24.35030012 46 17.891-16 09 15.80         21.49GVEK161568
     J98V00P ^C2020 05 24.35126012 46 17.856-16 09 13.52         21.61GVEK161568
     J98V00P ^C2020 05 24.35222412 46 17.819-16 09 11.30         21.56GVEK161568
     J98V00P  C2020 05 25.15635 12 45 51.70 -15 38 06.6          21.5 GVEK161V06
     J98V00P  C2020 05 25.15836 12 45 51.62 -15 38 01.9          20.9 GVEK161V06
     J98V00P  C2020 05 25.16037 12 45 51.56 -15 37 57.2          21.2 GVEK161V06
     J98V00P  C2020 05 25.16238 12 45 51.47 -15 37 52.8          21.3 GVEK161V06

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, S. Prunet.  Measurers R.
    Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe, A.
    Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L.
    Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
    astrograph + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  Measurers E. J.
    Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
    Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector +
    CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
200518 F51   20-   12-    200525 V06   19-   14-    MPO215941   -34.1 days

Orbital elements:
1998 VP                                                  Earth MOID = 0.3135 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
M 308.37979              (2000.0)            P               Q
n   0.35551092     Peri.  103.05115     +0.65323231     +0.55837448
a   1.9734862      Node   226.25385     -0.56115943     +0.81045509
e   0.4816877      Incl.   45.06225     +0.50831845     +0.17714538
P   2.77           H   19.1           G   0.15           U   2
Residuals in seconds of arc
981110 704  0.2-  0.8+    981111 106  0.2+  1.1+    981121 645  0.0   0.0
981110 704  0.1-  1.0+    981111 106  0.8-  1.2-    981121 645  0.0   0.1+
981110 704  1.1+  0.4-    981111 106  0.9+  0.7+    981121 645  0.0   0.1+
981110 704 (0.7+  2.0+)   981112 402  0.4-  0.0     200518 F51  0.1+  0.1-
981110 704 (1.0+  2.0-)   981112 402  0.1+  0.1-    200518 F51  0.0   0.0
981111 704  0.1-  0.7+    981112 402  0.1+  0.5+    200523 F52  0.2+  0.0
981111 704  0.5+  0.2+    981112 402  0.1-  1.0+    200523 F52  0.1+  0.1-
981111 704  0.0   0.7+    981112 360  0.5-  0.4-    200523 F52  0.1+  0.0
981111 704  0.5+  0.9+    981112 360  0.2-  0.5-    200524 H21  0.5-  0.0
981111 704  0.6+  0.0     981112 360  0.3-  0.1-    200524 H21  0.2-  0.3-
981111 704  0.1-  0.9+    981112 557  0.2+  0.3-    200524 H21  0.3-  0.4-
981111 704  0.3-  0.2+    981112 557  0.1-  0.7-    200524 V06  0.2+  0.2-
981111 704  0.3+  0.5+    981112 557  0.1+  0.3-    200524 V06  0.1-  0.3+
981111 704  0.9+  0.1-    981112 557  0.4-  0.0     200524 V06  0.0   0.1+
981111 658  0.9-  0.6-    981112 046  0.1+  0.3+    200524 V06  0.1+  0.1+
981111 658  0.4-  0.5-    981112 046  0.3+  0.1+    200524 568  0.0   0.0
981111 658  0.2-  0.6-    981112 046  0.0   0.6-    200524 568  0.0   0.0
981111 118  0.0   0.0     981112 046  0.4-  0.6-    200524 568  0.0   0.0
981111 118  0.5-  0.3+    981113 046  0.1+  0.5-    200525 V06  0.1+  0.1+
981111 118  0.4+  0.2+    981113 046  0.2+  1.2-    200525 V06  0.1-  0.2+
981111 106  1.7-  0.9-    981113 046  0.2-  1.7-    200525 V06  0.1+  0.2+
981111 557  0.3-  0.4-    981113 046  0.3+  0.8-    200525 V06  0.2-  0.0
981111 557  0.4+  0.5+    981113 046  0.6+  0.2-
981111 557  0.0   0.3-    981121 645  0.0   0.0

Ephemeris:
1998 VP                  a,e,i = 1.97, 0.48, 45                  q = 1.0229
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 04 25    13 21 27.6 -34 39 45   1.0463  2.0067   155.8    11.9    21.4
...
2020 05 10    12 59 16.7 -25 40 41   0.9802  1.9178   149.0    15.7    21.3
...
2020 05 18    12 50 51.8 -20 20 37   0.9746  1.8688   140.4    20.2    21.4
...
2020 05 24    12 46 30.2 -16 22 49   0.9827  1.8313   133.2    23.8    21.5
2020 05 25    12 45 56.7 -15 44 04   0.9850  1.8250   132.0    24.4    21.5
2020 05 26    12 45 26.0 -15 05 38   0.9875  1.8187   130.8    25.0    21.5
...
2020 06 01    12 43 21.7 -11 23 37   1.0072  1.7806   123.5    28.3    21.6
...
2020 06 09    12 43 06.9 -06 55 20   1.0434  1.7289   114.2    32.4    21.7
...
2020 06 24    12 49 29.1 -00 08 12   1.1295  1.6301    98.7    38.0    22.0

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-K161




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