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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 ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3037305151531247 1.6993e-07  
a 2.483253098379504 3.2329e-08 au
q 1.729013355553105 4.03e-07 au
i 2.194983285295677 8.4943e-06 deg
node 71.39814925383986 0.00023229 deg
peri 286.271078751443 0.00023514 deg
M 336.385666374814 2.296e-05 deg
tp 2458694.256869889853
(2019-Jul-29.75686989)
9.2224e-05 TDB
period 1429.32143231635
3.91
2.7912e-05
7.642e-08
d
yr
n .2518677687611428 4.9185e-09 deg/d
Q 3.237492841205905 4.2148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   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      .44057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:10:54  

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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