[Iaude] MPEC R73: 2019 RB2 [a=1.83,e=0.45,i=2.7,H=27.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Sep 8 17:36:39 EDT 2019


M.P.E.C. 2019-R73                             Issued 2019 September 8, 21:35 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

                                    2019 RB2                                    


Observations:
     K19R02B* C2019 09 05.40603 02 27 01.85 +27 15 27.6          18.2 GVER073703
     K19R02B  C2019 09 05.41654 02 27 44.63 +27 06 08.4          18.3 GVER073703
     K19R02B  C2019 09 05.42180 02 28 06.12 +27 01 24.0                VER073703
     K19R02B  C2019 09 05.46579 02 30 56.56 +26 23 00.6          18.4 GVER073I52
     K19R02B  C2019 09 05.46591 02 30 57.05 +26 22 53.9          18.4 GVER073I52
     K19R02B  C2019 09 05.46604 02 30 57.52 +26 22 47.4          18.4 GVER073I52
     K19R02B  C2019 09 06.29829 03 09 37.87 +18 12 00.9          18.7 GVER073I52
     K19R02B  C2019 09 06.29940 03 09 39.54 +18 11 37.6          18.6 GVER073I52
     K19R02B  C2019 09 06.29995 03 09 40.35 +18 11 25.2          19.1 GVER073I52
     K19R02B KC2019 09 06.97673203 23 32.20 +14 43 21.1          20.4 GVER073L01
     K19R02B KC2019 09 06.97884703 23 33.93 +14 42 52.1          20.4 GVER073L01
     K19R02B KC2019 09 06.98096903 23 35.65 +14 42 23.7          20.3 GVER073L01
     K19R02B KC2019 09 06.98229003 23 36.77 +14 42 06.3          20.3 GVER073L01
     K19R02B KC2019 09 07.36803 03 28 44.64 +13 23 41.9          20.2 GUER073734
     K19R02B KC2019 09 07.37306 03 28 47.24 +13 22 47.3          20.1 GUER073734
     K19R02B KC2019 09 07.37810 03 28 49.78 +13 21 54.0          20.3 GUER073734
     K19R02B KC2019 09 07.38146003 28 46.24 +13 21 18.3          20.6 VuER073H21
     K19R02B KC2019 09 07.38659603 28 48.75 +13 20 22.8          20.6 VuER073H21
     K19R02B KC2019 09 07.39357503 28 52.13 +13 19 07.7          20.4 VuER073H21

Observer details:
703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers B. M. Africano, 
   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.  0.68-m Schmidt + 10K CCD.
734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin.  
    Measurer D. Cromer.  0.69-m reflector + 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 B. M. Africano.  
    Measurers B. M. Africano, 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.  1.0-m 
   reflector + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Valentine.  Measurer 
   K. Korlevic.  1.0-m f/2.9 reflector + CCD.

Orbital elements:
2019 RB2                                                 Earth MOID = 0.0026 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Bell
M 309.72518              (2000.0)            P               Q
n   0.39783258     Peri.  172.47711     +0.91804866     +0.39625791
a   1.8309191      Node   164.15957     -0.36616839     +0.85991212
e   0.4487944      Incl.    2.70819     -0.15201110     +0.32176205
P   2.48           H   27.7           G   0.15           U   7
Residuals in seconds of arc
190905 703  0.3+  0.4+    190906 I52  0.0   0.5+    190907 734  0.4+  0.7-
190905 703  1.9-  2.5+    190906 I52  0.0   0.1+    190907 734  0.1+  0.1-
190905 703  1.9+  2.3-    190906 L01  0.0   0.6+    190907 H21  0.1-  0.3+
190905 I52  0.3-  0.0     190906 L01  0.1+  0.2-    190907 H21  0.3-  0.1+
190905 I52  0.2+  0.5-    190906 L01  0.0   0.3-    190907 H21  0.5-  0.2+
190905 I52  0.0   0.3-    190906 L01  0.8+  0.2-
190906 I52  0.4-  0.4-    190907 734  0.0   0.2+

Ephemeris:
2019 RB2                 a,e,i = 1.83, 0.45, 3                   q = 1.0092
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 08 09    16 06 48.0 -04 08 37   0.09492 1.0410   104.0    71.0    25.2
...
2019 08 24    16 11 24.0 -02 18 55   0.04184 1.0128    90.9    86.7    23.9
...
2019 09 01    16 36 38.4 +04 40 32   0.01253 1.0093    88.8    90.5    21.4
...
2019 09 07    03 23 18.5 +14 46 15   0.01066 1.0119   111.5    67.9    20.3
2019 09 08    03 34 50.9 +11 50 15   0.01430 1.0128   110.4    68.9    20.9
2019 09 09    03 41 32.0 +10 04 59   0.01797 1.0137   110.0    69.0    21.4
...
2019 09 15    03 54 54.8 +06 17 20   0.04012 1.0222   113.0    65.0    23.1
...
2019 09 23    03 57 04.8 +04 55 00   0.06940 1.0402   120.0    56.6    24.0
...
2019 10 08    03 48 40.3 +03 59 44   0.1243  1.0922   136.0    39.5    24.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-R73




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