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312051 (2007 RO285)
Classification: Main-belt Asteroid          SPK-ID: 2312051
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444877339031472 5.9703e-08  
a 2.434034894269468 1.9393e-08 au
q 2.082346708155286 1.426e-07 au
i 2.115881087412588 5.8923e-06 deg
node 190.7630070462196 0.00018501 deg
peri 264.2234612569762 0.00018648 deg
M 71.90371917559207 2.3563e-05 deg
tp 2458723.463188181914
(2019-Aug-27.96318818)
8.9737e-05 TDB
period 1387.038854151035
3.80
1.6577e-05
4.539e-08
d
yr
n .2595457213924589 3.1019e-09 deg/d
Q 2.78572308038365 2.2195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      7454 days (20.41 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:43:20  

Additional Information
 Earth MOID = 1.10038 au 
 Jupiter MOID = 2.37961 au 
 T_jup = 3.490 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO455299  

312051 (2007 RO285)          Discovered 2007-Sep-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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