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43812 (1991 RJ29)
Classification: Main-belt Asteroid          SPK-ID: 2043812
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022490131027201 8.8789e-08  
a 3.15639292785138 4.5149e-08 AU
q 2.518015573229033 2.9974e-07 AU
i 12.57045112143419 1.0013e-05 deg
node 292.8863690463621 4.1568e-05 deg
peri 95.71037421794961 4.9347e-05 deg
M 6.488902298886197 2.7495e-05 deg
tp 2456763.580674865855
(2014-Apr-16.08067487)
0.00015614 JED
period 2048.259695722892
5.61
4.3948e-05
1.203e-07
d
yr
n .1757589629634075 3.7711e-09 deg/d
Q 3.794770282473727 5.4281e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1991-09-13  
   last obs. used      2013-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50171  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 06:06:58  

Additional Information
 Earth MOID = 1.56054 AU 
 T_jup = 3.137 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6 mag n/a MPO275775  

43812 (1991 RJ29)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RJ29 = 1996 TL54 = 1999 CO80 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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