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392442 (2010 RW161)
Classification: Main-belt Asteroid          SPK-ID: 2392442
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017130812452287 1.043e-07  
a 3.129495238490351 6.587e-08 au
q 2.811184635041225 3.3597e-07 au
i 8.850207503066217 1.4026e-05 deg
node 227.378579884071 5.5789e-05 deg
peri 116.1546811222741 8.1266e-05 deg
M 268.8170922164475 6.1112e-05 deg
tp 2459512.677866022096
(2021-Oct-25.17786602)
0.00034815 TDB
period 2022.133711787744
5.54
6.3843e-05
1.748e-07
d
yr
n .1780297701885047 5.6208e-09 deg/d
Q 3.447805841939477 7.257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      6116 days (16.74 yr)  
   first obs. used      2003-04-28  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:00  

Additional Information
 Earth MOID = 1.81878 au 
 Jupiter MOID = 1.98501 au 
 T_jup = 3.187 
[ 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 15.9   n/a MPO472030  

392442 (2010 RW161)          Discovered 2010-Sep-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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