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101993 (1999 RJ70)
Classification: Main-belt Asteroid          SPK-ID: 2101993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831832070185154 4.9722e-08  
a 2.377153150336274 1.0207e-08 au
q 1.941698612683509 1.174e-07 au
i 4.62128463829294 4.1977e-06 deg
node 183.697235654967 5.1572e-05 deg
peri 219.7828115739903 5.2415e-05 deg
M 192.7872892542191 1.1117e-05 deg
tp 2459622.300342941671
(2022-Feb-11.80034294)
4.3947e-05 TDB
period 1338.702796340198
3.67
8.6224e-06
2.361e-08
d
yr
n .268917044906594 1.7321e-09 deg/d
Q 2.812607687989039 1.2077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      7666 days (20.99 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:18  

Additional Information
 Earth MOID = .952864 au 
 Jupiter MOID = 2.5926 au 
 T_jup = 3.514 
[ 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 16.1   n/a MPO412745  

101993 (1999 RJ70)          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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