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JPL Small-Body Database Browser
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442284 (2011 RO15)
Classification: Main-belt Asteroid          SPK-ID: 2442284
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477802158279048 1.2524e-06  
a 2.617448743607413 4.0151e-07 au
q 2.230641603358631 3.6177e-06 au
i 7.618044605540153 1.0281e-05 deg
node 209.4398533257308 8.2519e-05 deg
peri 178.1108904044457 0.00025209 deg
M 254.4325166267228 0.00043849 deg
tp 2459054.069009516834
(2020-Jul-23.56900952)
0.0019879 TDB
period 1546.734261426878
4.23
0.0003559
9.744e-07
d
yr
n .2327484487657863 5.3555e-08 deg/d
Q 3.004255883856195 4.6085e-07 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4285 days (11.73 yr)  
   first obs. used      2003-11-18  
   last obs. used      2015-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .5577  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:30:08  

Additional Information
 Earth MOID = 1.23463 au 
 Jupiter MOID = 2.43673 au 
 T_jup = 3.378 
[ 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 17.9   n/a MPO408997  

442284 (2011 RO15)          Discovered 2007-Oct-13 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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