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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025017626665708 1.0583e-07  
a 3.157698671180774 6.1322e-08 AU
q 2.518259124296779 3.3519e-07 AU
i 12.56991589974433 1.0619e-05 deg
node 292.8858493245443 5.1551e-05 deg
peri 95.63836390171335 5.7832e-05 deg
M 296.2748681699572 3.2203e-05 deg
tp 2456763.296171335980
(2014-Apr-15.79617134)		 0.00018953 JED
period 2049.530819791561
5.61		 5.9702e-05
1.635e-07		 d
yr
n .1756499568211481 5.1166e-09 deg/d
Q 3.79713821806477 7.3739e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7877 days (21.57 yr)  
   first obs. used      1991-09-13  
   last obs. used      2013-04-07  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .50689  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 16:00:11  

Additional Information
 Earth MOID = 1.56138 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 12.428 mag .5549 1 autocmod 2.5c

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

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