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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022490215407416 9.0379e-08  
a 3.156392922917142 4.4323e-08 AU
q 2.518015542659029 3.0404e-07 AU
i 12.57045238419245 1.0058e-05 deg
node 292.8863445978687 4.2578e-05 deg
peri 95.71039725033124 5.062e-05 deg
M 6.488908345453136 2.7648e-05 deg
tp 2456763.580640549817
(2014-Apr-16.08064055)
0.00015702 JED
period 2048.259690919972
5.61
4.3143e-05
1.181e-07
d
yr
n .1757589633755409 3.7021e-09 deg/d
Q 3.794770303175255 5.3287e-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      .51865  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 13:33:52  

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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