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312852 (2011 UA85)
Classification: Main-belt Asteroid          SPK-ID: 2312852
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08800473878491058 6.9383e-08  
a 2.38522983182416 1.7806e-08 au
q 2.175318303532499 1.5919e-07 au
i 3.684297164998534 6.2031e-06 deg
node 283.8589253466949 8.9922e-05 deg
peri 210.6632585505449 0.00010039 deg
M 49.18774505359137 3.9823e-05 deg
tp 2458816.656538710937
(2019-Nov-29.15653871)
0.00014883 TDB
period 1345.531208880457
3.68
1.5067e-05
4.125e-08
d
yr
n .2675523225503898 2.996e-09 deg/d
Q 2.595141360115822 1.9373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      5608 days (15.35 yr)  
   first obs. used      2004-12-18  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:37  

Additional Information
 Earth MOID = 1.19044 au 
 Jupiter MOID = 2.43354 au 
 T_jup = 3.528 
[ 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 17.4   n/a MPO460291  

312852 (2011 UA85)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 UA85 = 2005 AH65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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