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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .202363178526232 6.9003e-08  
a 3.157143829217637 3.6106e-08 AU
q 2.518254168872677 2.2514e-07 AU
i 12.57014595629127 9.3436e-06 deg
node 292.8874967462593 3.6826e-05 deg
peri 95.76951945508222 4.5104e-05 deg
M 41.58626740859707 2.3817e-05 deg
tp 2456763.805907362493
(2014-Apr-16.30590736)
0.00013511 JED
period 2048.990656273402
5.61
3.5149e-05
9.623e-08
d
yr
n .1756962624001172 3.0139e-09 deg/d
Q 3.796033489562598 4.3412e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4919  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:02:13  

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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