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70239 (1999 RA71)
Classification: Main-belt Asteroid          SPK-ID: 2070239
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752470444507792 3.8915e-08  
a 2.531618948485993 8.1987e-09 au
q 2.087960210088233 9.8656e-08 au
i .7484175969528866 5.5039e-06 deg
node 322.5688584114077 0.00022955 deg
peri 56.32019279466193 0.0002301 deg
M 78.66307402269152 1.5211e-05 deg
tp 2458879.012311272126
(2020-Jan-30.51231127)
6.1907e-05 TDB
period 1471.282038998996
4.03
7.1472e-06
1.957e-08
d
yr
n .2446845611225772 1.1886e-09 deg/d
Q 2.975277686883753 9.6355e-09 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      9285 days (25.42 yr)  
   first obs. used      1995-08-19  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53349  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:40:23  

Additional Information
 Earth MOID = 1.08883 au 
 Jupiter MOID = 2.48955 au 
 T_jup = 3.429 
[ 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 15.8   n/a MPO493358  

70239 (1999 RA71)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RA71 = 1995 SM49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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