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JPL Small-Body Database Browser
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312012 (2007 RO15)
Classification: Main-belt Asteroid          SPK-ID: 2312012
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404283793427356 5.3899e-08  
a 2.574470348792212 3.8047e-08 au
q 2.212941650045395 1.4548e-07 au
i 30.62371428162209 1.206e-05 deg
node 285.3727855156273 1.1873e-05 deg
peri 88.63555591055916 4.9112e-05 deg
M 348.6206654766877 5.3424e-05 deg
tp 2458648.191900831654
(2019-Jun-13.69190083)
0.00022454 TDB
period 1508.795111368073
4.13
3.3447e-05
9.157e-08
d
yr
n .2386009851752346 5.2893e-09 deg/d
Q 2.935999047539029 4.339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      6297 days (17.24 yr)  
   first obs. used      2002-08-01  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:08:58  

Additional Information
 Earth MOID = 1.3914 au 
 Jupiter MOID = 2.65614 au 
 T_jup = 3.220 
[ 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 16.2   n/a MPO300379  

312012 (2007 RO15)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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