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129860 (1999 RJ139)
Classification: Main-belt Asteroid          SPK-ID: 2129860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317988292275789 2.6674e-08  
a 2.478076934569801 1.094e-08 au
q 2.151469295857634 6.6112e-08 au
i 6.480969660139886 3.7205e-06 deg
node 158.6197937184519 4.5038e-05 deg
peri 151.3464655719047 5.0039e-05 deg
M 132.5339428445145 2.3254e-05 deg
tp 2458475.939937411281
(2018-Dec-23.43993741)
9.0878e-05 TDB
period 1424.854784207871
3.90
9.4358e-06
2.583e-08
d
yr
n .2526573261991307 1.6732e-09 deg/d
Q 2.804684573281968 1.2382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      7983 days (21.86 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:06:14  

Additional Information
 Earth MOID = 1.13989 au 
 Jupiter MOID = 2.45548 au 
 T_jup = 3.459 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO439821  

129860 (1999 RJ139)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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