[Iaude] MPEC J113: 2021 JZ2 [a=1.02,e=0.28,i=41.2,H=22.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun May 9 03:48:55 EDT 2021


M.P.E.C. 2021-J113                                  Issued 2021 May 9, 07:47 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 JZ2                                    


Observations:
     K21J02Z* C2021 05 07.37454516 17 53.13 +09 54 34.8          20.77GVEJ113G96
     K21J02Z  C2021 05 07.37965216 17 51.97 +09 55 37.5          20.64GVEJ113G96
     K21J02Z  C2021 05 07.38476216 17 50.82 +09 56 40.3          20.81GVEJ113G96
     K21J02Z  C2021 05 07.38988316 17 49.67 +09 57 42.6          20.11GVEJ113G96
     K21J02Z KC2021 05 07.45820816 17 34.39 +10 11 37.1          20.63GVEJ113I52
     K21J02Z KC2021 05 07.45946916 17 34.16 +10 11 52.6                VEJ113I52
     K21J02Z KC2021 05 07.46072816 17 33.86 +10 12 08.2                VEJ113I52
     K21J02Z KC2021 05 07.46198716 17 33.65 +10 12 23.4          19.15GVEJ113I52
     K21J02Z bC2021 05 07.97513016 15 47.27 +11 56 52.9          21.1 GVEJ113L01
     K21J02Z bC2021 05 07.97720816 15 46.78 +11 57 17.8          21.0 GVEJ113L01
     K21J02Z KC2021 05 07.97773616 15 47.16 +11 57 26.9          20.6 GVEJ113I93
     K21J02Z bC2021 05 07.97930616 15 46.32 +11 57 43.9          21.0 GVEJ113L01
     K21J02Z bC2021 05 07.98203616 15 45.75 +11 58 18.1          21.3 GVEJ113L01
     K21J02Z KC2021 05 07.98949 16 15 43.82 +11 59 48.1          20.6 GVEJ113K88
     K21J02Z KC2021 05 07.99174316 15 44.09 +12 00 17.0          20.4 GVEJ113I93
     K21J02Z KC2021 05 07.99436 16 15 42.73 +12 00 47.2                VEJ113K88
     K21J02Z KC2021 05 08.00493416 15 41.04 +12 02 57.8                VEJ113I93
     K21J02Z KC2021 05 08.00743716 15 40.41 +12 03 23.3          20.9 GVEJ113Z99
     K21J02Z KC2021 05 08.01168916 15 39.40 +12 04 15.9          20.2 GVEJ113Z99
     K21J02Z KC2021 05 08.01593116 15 38.48 +12 05 07.6          20.5 GVEJ113Z99
     K21J02Z IC2021 05 08.02592216 15 35.81 +12 07 14.6          21.2 GVEJ113L01
     K21J02Z KC2021 05 08.02721816 15 35.52 +12 07 30.7          21.2 GVEJ113L01
     K21J02Z KC2021 05 08.02876416 15 35.12 +12 07 50.0          21.3 GVEJ113L01
     K21J02Z KC2021 05 08.03031316 15 34.72 +12 08 08.5          20.9 GVEJ113L01
     K21J02Z KC2021 05 08.03190216 15 34.36 +12 08 28.1          20.8 GVEJ113L01
     K21J02Z KC2021 05 08.03350516 15 34.01 +12 08 47.9          20.6 GVEJ113L01
     K21J02Z KC2021 05 08.03481716 15 33.70 +12 09 03.6          20.4 GVEJ113L01
     K21J02Z KC2021 05 08.21317916 14 56.93 +12 45 28.0          20.7 VuEJ113H21
     K21J02Z KC2021 05 08.21608416 14 56.26 +12 46 03.4          21.0 VuEJ113H21
     K21J02Z KC2021 05 08.22044116 14 55.26 +12 46 56.7          20.9 VuEJ113H21
     K21J02Z KC2021 05 08.22189316 14 54.91 +12 47 14.5          20.6 VuEJ113H21
     K21J02Z KC2021 05 08.29205616 14 39.78 +13 01 36.7          20.92GVEJ113I52
     K21J02Z KC2021 05 08.29373816 14 39.35 +13 01 57.8          20.67GVEJ113I52
     K21J02Z KC2021 05 08.29542416 14 38.99 +13 02 18.5                VEJ113I52
     K21J02Z KC2021 05 08.29710316 14 38.66 +13 02 38.9          19.50GVEJ113I52
     K21J02Z  C2021 05 08.29972316 14 37.85 +13 03 10.1          20.6 GVEJ113H01
     K21J02Z  C2021 05 08.30366216 14 36.94 +13 03 58.2          20.5 GVEJ113H01
     K21J02Z  C2021 05 08.31400216 14 34.54 +13 06 04.7          20.7 GVEJ113H01
     K21J02Z  C2021 05 08.32093916 14 32.94 +13 07 29.5          21.0 GVEJ113H01
     K21J02Z  C2021 05 08.35078 16 14 26.46 +13 13 33.9          20.8 GVEJ113654
     K21J02Z  C2021 05 08.38589 16 14 18.30 +13 20 42.9          20.6 GVEJ113654
     K21J02Z  C2021 05 08.40952 16 14 12.80 +13 25 31.2          21.1 GVEJ113654
     K21J02Z KC2021 05 09.07914816 11 45.22 +15 41 20.6          20.2 GVEJ113104
     K21J02Z KC2021 05 09.08660116 11 43.52 +15 42 51.2          19.9 GVEJ113104
     K21J02Z KC2021 05 09.09685116 11 41.12 +15 44 55.6          20.3 GVEJ113104
     K21J02Z  C2021 05 09.26391516 11 06.10 +16 18 48.4          20.7 GVEJ113H01
     K21J02Z  C2021 05 09.26718816 11 05.33 +16 19 28.3          20.6 GVEJ113H01
     K21J02Z  C2021 05 09.28384616 11 01.33 +16 22 50.4          20.3 GVEJ113H01
     K21J02Z  C2021 05 09.28892016 11 00.14 +16 23 52.6          20.9 GVEJ113H01

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
654 Table Mountain Observatory, Wrightwood-PHMC.  Observers P. Choi, N. Saini,
    C. Zhai, R. Trahan, M. Shao.
G96 Mt. Lemmon Survey.  Observer H. Groeller.  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.
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.
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.  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.  1.0-m
    reflector + CCD.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observers K. Sarneczky, B. Seli.  Measurer K.
    Sarneczky.  0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
    Schmidt-Cassegrain + CCD.

Orbital elements:
2021 JZ2                                                 Earth MOID = 0.1908 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 113.49713              (2000.0)            P               Q                  
n   0.96061399     Peri.  144.20096     +0.89320366     +0.01062465             
a   1.0172713      Node   223.05751     +0.05971443     +0.98806316             
e   0.2828862      Incl.   41.17974     +0.44566962     -0.15368247             
P   1.03           H   22.78          G   0.15           U   9                  
Residuals in seconds of arc
210507 G96  0.1+  0.3-    210508 Z99  0.5+  0.3-    210508 I52  0.5+  0.0
210507 G96  0.1-  0.1-    210508 Z99  0.3-  0.3+    210508 H01  0.0   0.1+
210507 G96  0.2-  0.3+    210508 Z99  0.2+  0.0     210508 H01  0.0   0.0
210507 G96  0.2-  0.1-    210508 L01  0.8+  0.4-    210508 H01  0.0   0.0
210507 I52  0.5-  0.1-    210508 L01  0.8+  0.1-    210508 H01  0.1+  0.0
210507 I52  0.2+  0.0     210508 L01  0.1+  0.3+    210508 654  0.0   0.0
210507 I52  0.1-  0.3+    210508 L01  0.6-  0.2-    210508 654  0.1+  0.1+
210507 I52  0.9+  0.1+    210508 L01  0.5-  0.0     210508 654  0.0   0.1-
210507 L01  0.2-  0.6-    210508 L01  0.3-  0.2+    210509 104  0.9-  0.3-
210507 L01  0.5-  1.2-    210508 L01  0.5-  0.1-    210509 104  0.1-  0.1-
210507 I93  0.6-  1.6+    210508 H21  0.3+  0.2+    210509 104  0.0   0.1+
210507 L01  0.3-  0.8-    210508 H21  0.2+  0.0     210509 H01  0.0   0.2-
210507 L01  0.4+  0.0     210508 H21  0.1+  0.0     210509 H01  0.1+  0.0
210507 K88  0.3+  0.4+    210508 H21  0.1-  0.0     210509 H01  0.0   0.1-
210507 I93  0.8+  0.1+    210508 I52  0.1-  0.4-    210509 H01  0.3+  0.5+
210507 K88  0.5+  0.0     210508 I52  0.7-  0.1+
210508 I93  0.1-  0.7-    210508 I52  0.3-  0.1+

Ephemeris:
2021 JZ2                 a,e,i = 1.02, 0.28, 41                  q = 0.7295
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 09    17 01 44.9 -44 05 13   0.4247  1.2581   118.0    44.7    23.1
...
2021 04 24    16 51 19.7 -26 41 49   0.2684  1.2208   138.9    32.8    21.7
...
2021 05 02    16 34 25.3 -07 28 57   0.2124  1.1965   150.1    24.8    21.0
...
2021 05 08    16 15 41.7 +12 02 13   0.1967  1.1765   145.4    29.2    20.9
2021 05 09    16 12 03.9 +15 25 32   0.1968  1.1730   143.2    31.1    20.9
2021 05 10    16 08 17.9 +18 46 39   0.1977  1.1694   140.7    33.1    21.0
...
2021 05 16    15 43 01.8 +36 47 55   0.2176  1.1473   124.1    46.9    21.5
...
2021 05 24    15 04 14.1 +52 50 44   0.2711  1.1155   105.3    61.1    22.4
...
2021 06 08    13 49 16.4 +66 05 44   0.3978  1.0494    83.8    74.1    23.5

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J113




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