[Iaude] MPEC J59: 2021 JH1 [a=2.95,e=0.60,i=34.5,H=21.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed May 5 05:53:23 EDT 2021


M.P.E.C. 2021-J59                                   Issued 2021 May 5, 09:52 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 JH1                                    


Observations:
     K21J01H* C2021 05 03.21904912 22 06.47 +36 14 18.6          20.95GVEJ059G96
     K21J01H  C2021 05 03.22426912 22 05.99 +36 13 39.4          21.65GVEJ059G96
     K21J01H  C2021 05 03.22947512 22 05.48 +36 12 59.4          21.37GVEJ059G96
     K21J01H  C2021 05 03.23468512 22 05.11 +36 12 19.5          20.87GVEJ059G96
     K21J01H  C2021 05 03.30930012 21 58.48 +36 02 44.2          21.2 GVEJ059H01
     K21J01H  C2021 05 03.31270412 21 58.19 +36 02 18.0          20.9 GVEJ059H01
     K21J01H KC2021 05 03.31675112 21 57.93 +36 01 48.1          21.48GVEJ059I52
     K21J01H KC2021 05 03.32011012 21 57.64 +36 01 22.3          21.73GVEJ059I52
     K21J01H KC2021 05 03.32347012 21 57.39 +36 00 55.4          21.28GVEJ059I52
     K21J01H KC2021 05 03.32682912 21 57.11 +36 00 30.7          21.83GVEJ059I52
     K21J01H  C2021 05 03.32690812 21 56.99 +36 00 28.1          21.3 GVEJ059H01
     K21J01H  C2021 05 03.33039412 21 56.71 +36 00 01.3          21.0 GVEJ059H01
     K21J01H pC2021 05 03.86756012 21 18.05 +34 51 07.5          21.5 GVEJ059L01
     K21J01H KC2021 05 03.87080712 21 17.77 +34 50 42.1          21.4 GVEJ059L01
     K21J01H KC2021 05 03.87449112 21 17.46 +34 50 13.7          21.4 GVEJ059L01
     K21J01H KC2021 05 04.21967912 20 52.79 +34 05 47.3          21.14GVEJ059I52
     K21J01H KC2021 05 04.22387812 20 52.49 +34 05 15.8          20.95GVEJ059I52
     K21J01H KC2021 05 04.22807412 20 52.12 +34 04 42.5          21.59GVEJ059I52
     K21J01H KC2021 05 04.23391312 20 51.67 +34 03 56.7          21.41GVEJ059I52
     K21J01H  C2021 05 04.24373 12 20 50.87 +34 02 41.2          21.1 GVEJ059G96
     K21J01H  C2021 05 04.25496 12 20 49.97 +34 01 13.4          21.7 GVEJ059G96
     K21J01H  C2021 05 04.26060 12 20 49.49 +34 00 29.2          21.0 GVEJ059G96
     K21J01H KC2021 05 05.16167912 19 50.19 +32 03 23.9          21.51GVEJ059I52
     K21J01H KC2021 05 05.16587812 19 49.87 +32 02 51.3          21.18GVEJ059I52
     K21J01H KC2021 05 05.17007612 19 49.54 +32 02 18.0          21.81GVEJ059I52
     K21J01H KC2021 05 05.17427312 19 49.27 +32 01 45.6          21.76GVEJ059I52

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.  Observer 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.  1.0-m
    reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2021 JH1                                                 Earth MOID = 0.2409 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 337.44896              (2000.0)            P               Q                  
n   0.19438061     Peri.  143.27356     -0.91331125     +0.05223786             
a   2.9514409      Node    45.51032     -0.34234299     -0.63566157             
e   0.6016243      Incl.   34.48414     +0.22059882     -0.77019840             
P   5.07           H   21.84          G   0.15           U   9                  
Residuals in seconds of arc
210503 G96  0.2+  0.5-    210503 I52  0.5+  0.6+    210504 I52  0.1+  0.5-
210503 G96  0.0   0.3+    210503 H01  0.2-  0.3-    210504 G96  0.1+  0.4+
210503 G96  0.6-  0.2+    210503 H01  0.1-  0.1-    210504 G96  0.2+  0.0
210503 G96  0.6+  0.3+    210503 L01  0.1+  0.4+    210504 G96  0.2-  0.3-
210503 H01  0.2-  0.1-    210503 L01  0.1-  0.1+    210505 I52  0.0   0.0
210503 H01  0.2-  0.0     210503 L01  0.2-  0.2+    210505 I52  0.0   0.2+
210503 I52  0.1+  0.2+    210504 I52  0.4-  0.4-    210505 I52  0.1-  0.3-
210503 I52  0.0   0.3+    210504 I52  0.1+  0.7+    210505 I52  0.4+  0.1+
210503 I52  0.4+  0.7-    210504 I52  0.2-  0.0

Ephemeris:
2021 JH1                 a,e,i = 2.95, 0.60, 34                  q = 1.1758
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 05    14 11 26.2 +74 20 29   0.4886  1.1790    98.9    57.0    22.7
...
2021 04 20    12 51 35.5 +59 57 46   0.3853  1.1799   107.6    54.2    22.1
...
2021 04 28    12 30 29.9 +46 46 30   0.3468  1.1921   114.3    50.3    21.8
...
2021 05 04    12 21 08.6 +34 34 15   0.3331  1.2063   119.2    46.9    21.6
2021 05 05    12 20 00.2 +32 24 36   0.3324  1.2091   119.9    46.3    21.6
2021 05 06    12 18 58.2 +30 13 44   0.3322  1.2119   120.6    45.8    21.6
...
2021 05 12    12 14 46.3 +17 06 43   0.3415  1.2316   123.4    43.2    21.6
...
2021 05 20    12 13 35.1 +01 15 13   0.3810  1.2635   123.7    41.8    21.9
...
2021 06 04    12 21 06.7 -19 32 20   0.5162  1.3383   118.2    41.9    22.7

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J59




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