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312855 (2011 UO87)
Classification: Main-belt Asteroid          SPK-ID: 2312855
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426604427207817 4.7962e-08  
a 2.293486074753678 1.4699e-08 au
q 1.96629633595537 1.1496e-07 au
i 6.473161207978162 5.3131e-06 deg
node 226.1548875097669 4.9303e-05 deg
peri 65.86513229927458 5.3682e-05 deg
M 282.2766414552722 2.3433e-05 deg
tp 2459274.399756618588
(2021-Feb-28.89975662)
8.3566e-05 TDB
period 1268.652233111461
3.47
1.2196e-05
3.339e-08
d
yr
n .283765708682098 2.728e-09 deg/d
Q 2.620675813551985 1.6796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      9718 days (26.61 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:37  

Additional Information
 Earth MOID = .960851 au 
 Jupiter MOID = 2.54493 au 
 T_jup = 3.575 
[ 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 17.3   n/a MPO418616  

312855 (2011 UO87)          Discovered 2010-May-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 UO87 = 2010 JN152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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