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JPL Small-Body Database Browser
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469310 (1999 RE212)
Classification: Main-belt Asteroid          SPK-ID: 2469310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3350859183811099 7.7407e-08  
a 2.619500558175825 1.0352e-08 au
q 1.741742807939649 2.019e-07 au
i 17.3503234395665 9.6554e-06 deg
node 200.8880808436323 1.8806e-05 deg
peri 182.6678068081332 2.5383e-05 deg
M 215.9659493257943 9.8654e-06 deg
tp 2459220.067807109719
(2021-Jan-05.56780711)
4.3691e-05 TDB
period 1548.553342181624
4.24
9.1798e-06
2.513e-08
d
yr
n .232475039892928 1.3781e-09 deg/d
Q 3.497258308412002 1.3821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      1999-08-11  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:18:45  

Additional Information
 Earth MOID = .744622 au 
 Jupiter MOID = 1.95708 au 
 T_jup = 3.263 
[ 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 16.9   n/a MPO397651  

469310 (1999 RE212)          Discovered 1999-Aug-11 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

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