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102013 (1999 RX85)
Classification: Main-belt Asteroid          SPK-ID: 2102013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752894734309956 3.4912e-08  
a 2.273458004574413 7.6423e-09 au
q 1.874944748085082 7.9293e-08 au
i 4.497181577467198 4.1436e-06 deg
node 135.67632603435 5.0209e-05 deg
peri 256.2955026258722 5.1745e-05 deg
M 45.9563772064208 1.2498e-05 deg
tp 2459040.664915124862
(2020-Jul-10.16491512)
4.3234e-05 TDB
period 1252.070638566577
3.43
6.3133e-06
1.728e-08
d
yr
n .2875237138474416 1.4498e-09 deg/d
Q 2.671971261063743 8.9819e-09 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      7831 days (21.44 yr)  
   first obs. used      1999-08-12  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:20  

Additional Information
 Earth MOID = .88549 au 
 Jupiter MOID = 2.77017 au 
 T_jup = 3.586 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO436477  

102013 (1999 RX85)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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