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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475599794257189 1.2502e-06  
a 2.615265693352283 3.9341e-07 au
q 2.229357141448431 3.6023e-06 au
i 7.617354821599291 1.0281e-05 deg
node 209.402355013191 8.2537e-05 deg
peri 178.4664431330307 0.00025641 deg
M 347.2744056059737 0.00046427 deg
tp 2459055.106925838372
(2020-Jul-24.60692584)
0.0020045 TDB
period 1544.799613528641
4.23
0.00034857
9.543e-07
d
yr
n .2330399340129854 5.2584e-08 deg/d
Q 3.001174245256135 4.5146e-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 = 1.23413 au 
 Jupiter MOID = 2.44128 au 
 T_jup = 3.380 
[ 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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