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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023631994091234 8.7542e-08  
a 3.157143819292993 4.3721e-08 AU
q 2.518254095026124 2.9443e-07 AU
i 12.5701441923267 9.9632e-06 deg
node 292.8874876442152 4.1305e-05 deg
peri 95.76952520542805 4.9099e-05 deg
M 41.58627284251771 2.7438e-05 deg
tp 2456763.805877550659
(2014-Apr-16.30587755)
0.00015441 JED
period 2048.990646611741
5.61
4.2563e-05
1.165e-07
d
yr
n .1756962632285825 3.6497e-09 deg/d
Q 3.796033543559863 5.2569e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      8447 days (23.13 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49639  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:22:55  

Additional Information
 Earth MOID = 1.56183 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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