[Iaude] MPEC X17: 2020 XE [a=2.54,e=0.78,i=2.5,H=26.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 5 14:54:39 EST 2020


M.P.E.C. 2020-X17                              Issued 2020 December 5, 19:53 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

                                    2020 XE                                     


Observations:
     K20X00E* C2020 12 04.39718204 43 21.96 +17 50 56.0          19.66GVEX017G96
     K20X00E  C2020 12 04.40243004 43 20.36 +17 51 00.0          19.35GVEX017G96
     K20X00E  C2020 12 04.40768304 43 18.74 +17 51 05.7                VEX017G96
     K20X00E  C2020 12 04.41292304 43 17.15 +17 51 08.8          19.04GVEX017G96
     K20X00E KC2020 12 04.46812704 43 01.33 +17 51 48.8          19.48GVEX017I52
     K20X00E KC2020 12 04.46936704 43 00.93 +17 51 49.0                VEX017I52
     K20X00E KC2020 12 04.47060604 43 00.69 +17 51 50.1          19.52GVEX017I52
     K20X00E  C2020 12 04.48785604 43 02.667+17 53 16.89         19.11iUEX017F52
     K20X00E KC2020 12 04.48967804 42 55.66 +17 52 04.2          19.23GVEX017I52
     K20X00E KC2020 12 04.49117304 42 55.34 +17 52 05.1          19.22GVEX017I52
     K20X00E KC2020 12 04.49266104 42 54.94 +17 52 06.0          19.26GVEX017I52
     K20X00E  C2020 12 04.50985204 42 55.884+17 53 34.16         19.40iUEX017F52
     K20X00E  C2020 12 04.52087704 42 52.626+17 53 42.14         19.46iUEX017F52
     K20X00E KC2020 12 04.88631904 41 52.99 +17 57 44.5          19.2 GVEX017B49
     K20X00E KC2020 12 04.89362304 41 51.41 +17 57 52.2          19.8 GVEX017B49
     K20X00E KC2020 12 04.90154504 41 49.49 +17 57 58.4          19.6 GVEX017B49
     K20X00E KC2020 12 05.11645 04 41 17.49 +18 00 16.6          19.7 GVEX017V01
     K20X00E KC2020 12 05.12420604 41 16.75 +18 00 45.3          19.01GVEX017I52
     K20X00E KC2020 12 05.12494604 41 16.62 +18 00 46.3          19.73GVEX017I52
     K20X00E KC2020 12 05.12568704 41 16.50 +18 00 47.4          19.29GVEX017I52
     K20X00E KC2020 12 05.14014104 41 10.31 +18 00 52.9          20.5 VuEX017H21
     K20X00E KC2020 12 05.14305304 41 09.65 +18 00 55.3          20.1 VuEX017H21
     K20X00E KC2020 12 05.15213 04 41 10.56 +18 00 48.8          19.4 GVEX017V01
     K20X00E KC2020 12 05.16762 04 41 08.42 +18 01 25.7          20.3 RoEX017291
     K20X00E KC2020 12 05.16976 04 41 07.96 +18 01 27.4          20.1 RoEX017291
     K20X00E KC2020 12 05.17190 04 41 07.56 +18 01 28.8          20.1 RoEX017291
     K20X00E KC2020 12 05.18799 04 41 03.73 +18 01 17.7          18.8 GVEX017V01
     K20X00E KC2020 12 05.28235704 40 46.04 +18 02 02.9          19.6 VqEX017U55
     K20X00E KC2020 12 05.28863404 40 44.89 +18 02 07.1          19.9 VqEX017U55
     K20X00E KC2020 12 05.29541304 40 43.60 +18 02 11.5          19.1 VqEX017U55

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 reflector +
    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.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.  1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. Rankin, 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.  1.0-m
    reflector + CCD.
U55 Golden Ears Observatory, Maple Ridge.  Observer B. Kumar.  0.36-m f/7
    Schmidt-Cassegrain + CCD.
V01 Mountainville Observatory, Alpine.  Observer B. Sheets.  0.36-m reflector
    + CCD.

Orbital elements:
2020 XE                                                  Earth MOID = 0.0006 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  14.40412              (2000.0)            P               Q
n   0.24381131     Peri.   91.27384     +0.93728342     +0.34621210
a   2.5376603      Node   248.47155     -0.33460349     +0.86112570
e   0.7814960      Incl.    2.49280     -0.09767443     +0.37228982
P   4.04           H   26.0           G   0.15           U   8
Residuals in seconds of arc
201204 G96  0.1-  0.2+    201204 I52  0.3+  0.1+    201205 H21  0.3+  0.0
201204 G96  0.2+  0.1-    201204 F52  0.5-  0.1+    201205 H21  0.5-  0.0
201204 G96  0.1+  1.3+    201204 F52  0.0   0.1-    201205 V01  1.6-  0.3+
201204 G96  0.1+  0.2+    201204 B49  0.3-  0.2-    201205 291  0.5-  0.5+
201204 I52  0.1-  0.6-    201204 B49  1.4+  0.8+    201205 291  1.0-  0.4+
201204 I52  1.1-  1.3-    201204 B49  0.4+  0.2-    201205 291  0.6-  0.1-
201204 I52  0.2+  1.0-    201205 V01  1.6+  0.2+    201205 V01  0.6+  1.2-
201204 F52  0.1+  0.1+    201205 I52  0.5-  0.0     201205 U55  0.1-  0.3-
201204 I52  0.3-  0.3+    201205 I52  0.3-  0.3+    201205 U55  0.6+  0.3-
201204 I52  0.6+  0.2+    201205 I52  0.0   0.7+    201205 U55  0.7+  0.4-

Ephemeris:
2020 XE                  a,e,i = 2.54, 0.78, 2                   q = 0.5545
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 05    16 22 44.8 -18 46 19   0.3950  0.6527    24.4   141.1    30.1
...
2020 11 20    16 29 25.1 -18 48 39   0.1601  0.8316    11.2   166.7
...
2020 11 28    16 23 20.0 -19 11 19   0.04836 0.9382     2.7   177.2
...
2020 12 04    04 45 22.3 +17 44 09   0.03389 1.0194   175.4     4.4    19.1
2020 12 05    04 41 27.6 +18 00 30   0.04758 1.0329   175.5     4.3    19.8
2020 12 06    04 39 17.5 +18 09 33   0.06130 1.0464   174.9     4.8    20.4
...
2020 12 12    04 35 08.0 +18 29 37   0.1446  1.1269   169.2     9.4    22.7
...
2020 12 20    04 34 49.8 +18 42 38   0.2598  1.2327   161.3    14.8    24.4
...
2021 01 04    04 39 28.9 +19 09 43   0.4940  1.4243   147.3    21.9    26.3

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X17




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