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392735 (2012 RL22)
Classification: Main-belt Asteroid          SPK-ID: 2392735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911361352030242 8.2013e-08  
a 2.615407901284683 3.7983e-08 au
q 2.115508943053676 2.1818e-07 au
i 18.51792767537445 1.0953e-05 deg
node 20.73494677896137 2.0073e-05 deg
peri 30.97988939239123 3.9876e-05 deg
M 273.564879691792 3.3974e-05 deg
tp 2459371.432865118002
(2021-Jun-05.93286512)
0.00015087 TDB
period 1544.925615494282
4.23
3.3655e-05
9.214e-08
d
yr
n .2330209276029266 5.0761e-09 deg/d
Q 3.115306859515689 4.5243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      9568 days (26.20 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:10  

Additional Information
 Earth MOID = 1.14091 au 
 Jupiter MOID = 2.38854 au 
 T_jup = 3.309 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO252115  

392735 (2012 RL22)          Discovered 2010-Mar-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 RL22 = 2010 EU98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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