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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3037305141075315 1.6992e-07  
a 2.483253099007244 3.2297e-08 au
q 1.729013358586653 4.0296e-07 au
i 2.194982711796563 8.4791e-06 deg
node 71.39817697364697 0.00023099 deg
peri 286.2710504429288 0.00023385 deg
M 336.3856665697931 2.2958e-05 deg
tp 2458694.256869151271
(2019-Jul-29.75686915)
9.2215e-05 TDB
period 1429.321432858326
3.91
2.7884e-05
7.634e-08
d
yr
n .2518677686656386 4.9136e-09 deg/d
Q 3.237492839427834 4.2106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      4492 days (12.30 yr)  
   first obs. used      2007-08-08  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45462  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:52:50  

Additional Information
 Earth MOID = .725903 au 
 Jupiter MOID = 2.21041 au 
 T_jup = 3.411 
[ 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 17.8   n/a MPO361008  

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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