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442278 (2011 RL)
Classification: Main-belt Asteroid          SPK-ID: 2442278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .303870590031674 1.6437e-07  
a 2.48366589367744 3.1788e-08 au
q 1.728952873124131 3.8947e-07 au
i 2.194848521463248 7.798e-06 deg
node 71.39754606979298 0.00020156 deg
peri 286.2959708672922 0.00020433 deg
M 77.0968257730093 2.314e-05 deg
tp 2458694.323267455739
(2019-Jul-29.82326746)
8.8329e-05 TDB
period 1429.677844850028
3.91
2.7447e-05
7.515e-08
d
yr
n .2518049792103785 4.8342e-09 deg/d
Q 3.238378914230749 4.1448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      4556 days (12.47 yr)  
   first obs. used      2007-08-08  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46057  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:52  

Additional Information
 Earth MOID = .726732 au 
 Jupiter MOID = 2.21316 au 
 T_jup = 3.410 
[ 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 17.7   n/a MPO503571  

442278 (2011 RL)          Discovered 2007-Aug-08 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 RL = 2007 PQ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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