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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424348776958897 5.4655e-08  
a 2.294056287275416 1.5867e-08 au
q 1.967302660569856 1.2748e-07 au
i 6.473073659353584 5.859e-06 deg
node 226.1627427567015 5.3684e-05 deg
peri 65.77542201438426 5.7878e-05 deg
M 168.875256126374 2.3132e-05 deg
tp 2458005.155903848194
(2017-Sep-08.65590385)
7.9812e-05 TDB
period 1269.125385984705
3.47
1.3167e-05
3.605e-08
d
yr
n .2836599156990927 2.9429e-09 deg/d
Q 2.620809913980977 1.8127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      9241 days (25.30 yr)  
   first obs. used      1993-09-18  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64539  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:29:46  

Additional Information
 Earth MOID = .961184 au 
 Jupiter MOID = 2.54348 au 
 T_jup = 3.574 
[ 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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