[Iaude] MPEC J32: 2021 JO [a=1.23,e=0.69,i=37.1,H=21.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon May 3 07:00:23 EDT 2021


M.P.E.C. 2021-J32                                   Issued 2021 May 3, 10:59 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

                                    2021 JO                                     


Observations:
     K21J00O* C2021 05 01.38247915 01 33.96 -05 56 35.1          20.85GVEJ032G96
     K21J00O  C2021 05 01.38804515 01 31.90 -05 56 45.1          20.81GVEJ032G96
     K21J00O  C2021 05 01.39361315 01 29.81 -05 56 55.5          21.67GVEJ032G96
     K21J00O  C2021 05 01.39918015 01 27.69 -05 57 06.2          19.97GVEJ032G96
     K21J00O KC2021 05 01.44012615 01 12.42 -05 58 21.8                VEJ032I52
     K21J00O KC2021 05 01.44268015 01 11.48 -05 58 26.7          20.90GVEJ032I52
     K21J00O KC2021 05 01.44523315 01 10.56 -05 58 30.7          21.45GVEJ032I52
     K21J00O  C2021 05 02.22019 14 56 31.01 -06 22 13.2          20.8 GVEJ032G96
     K21J00O  C2021 05 02.28910 14 56 05.88 -06 24 18.5          20.3 GVEJ032I52
     K21J00O  C2021 05 02.29251 14 56 04.65 -06 24 24.4          20.7 GVEJ032I52
     K21J00O KC2021 05 02.32101814 55 54.26 -06 25 15.4          21.10GVEJ032G96
     K21J00O KC2021 05 02.32223414 55 53.78 -06 25 17.9          21.27GVEJ032G96
     K21J00O KC2021 05 02.32345114 55 53.31 -06 25 19.6          21.01GVEJ032G96
     K21J00O  C2021 05 03.26510814 50 22.51 -06 53 08.8          20.6 GVEJ032H01
     K21J00O  C2021 05 03.26842414 50 21.34 -06 53 14.4          20.6 GVEJ032H01
     K21J00O  C2021 05 03.27951314 50 17.42 -06 53 33.8          20.6 GVEJ032H01
     K21J00O  C2021 05 03.28902314 50 14.06 -06 53 50.4          20.4 GVEJ032H01
     K21J00O KC2021 05 03.29640114 50 11.56 -06 54 02.9          20.59GVEJ032I52
     K21J00O KC2021 05 03.30014114 50 10.22 -06 54 09.3          20.99GVEJ032I52
     K21J00O KC2021 05 03.30518014 50 08.42 -06 54 18.2          21.13GVEJ032I52

Observer details:
G96 Mt. Lemmon Survey.  Observer D. Rankin.  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, B. Gray.  1.5-m reflector + 10K
    CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers K. W. Wierzchos, T. A.
    Pruyne.  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, B. Gray.  1.0-m reflector + CCD.

Orbital elements:
2021 JO                                                  Earth MOID = 0.2465 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 327.18196              (2000.0)            P               Q                  
n   0.71939439     Peri.   32.71530     +0.27063707     -0.85875580             
a   1.2335536      Node    46.22466     +0.70163060     -0.13349035             
e   0.6858652      Incl.   37.05307     +0.65914344     +0.49469061             
P   1.37           H   21.68          G   0.15           U   9                  
Residuals in seconds of arc
210501 G96  0.2-  0.2-    210502 G96  0.1+  0.0     210503 H01  0.0   0.1+
210501 G96  0.2+  0.1+    210502 I52  0.0   0.5-    210503 H01  0.1-  0.0
210501 G96  0.1+  0.1+    210502 I52  0.2+  0.2-    210503 H01  0.1-  0.0
210501 G96  0.4-  0.3-    210502 G96  0.3+  0.2+    210503 I52  0.4+  0.0
210501 I52  0.2-  0.1+    210502 G96  0.3-  0.1-    210503 I52  0.1+  0.1+
210501 I52  0.0   0.1-    210502 G96  0.7-  0.4+    210503 I52  0.3-  0.1-
210501 I52  0.5+  0.6+    210503 H01  0.0   0.0

Ephemeris:
2021 JO                  a,e,i = 1.23, 0.69, 37                  q = 0.3875
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 03    18 10 42.6 +09 57 52   0.4073  1.1330    98.3    60.8    22.2
...
2021 04 18    16 34 39.2 +02 04 16   0.3702  1.2947   135.6    32.9    21.5
...
2021 04 26    15 36 56.8 -02 55 02   0.3892  1.3727   156.9    16.7    21.2
...
2021 05 02    14 57 49.8 -06 15 19   0.4249  1.4277   169.5     7.4    21.1
2021 05 03    14 51 54.7 -06 45 10   0.4325  1.4366   170.7     6.5    21.1
2021 05 04    14 46 11.3 -07 13 56   0.4406  1.4454   171.3     6.0    21.2
...
2021 05 10    14 16 04.9 -09 43 50   0.4979  1.4967   165.3     9.8    21.7
...
2021 05 18    13 46 50.2 -12 12 04   0.5934  1.5609   152.1    17.6    22.4
...
2021 06 02    13 17 39.0 -15 15 27   0.8114  1.6693   131.9    26.9    23.5

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J32




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