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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3340974073741994 7.7416e-08  
a 2.621023961565354 1.0665e-08 au
q 1.745346651340716 2.0158e-07 au
i 17.3301483092107 9.6464e-06 deg
node 200.7967505075519 1.8834e-05 deg
peri 182.6642410281548 2.5488e-05 deg
M 308.9256901392874 1.0149e-05 deg
tp 2459220.389716845388
(2021-Jan-05.88971685)
4.412e-05 TDB
period 1549.904409481437
4.24
9.4603e-06
2.59e-08
d
yr
n .2322723890568502 1.4177e-09 deg/d
Q 3.496701271789992 1.4229e-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 = .748933 au 
 Jupiter MOID = 1.96065 au 
 T_jup = 3.262 
[ 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 16.8   n/a MPO472611  

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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