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312874 (2011 UM165)
Classification: Main-belt Asteroid          SPK-ID: 2312874
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 .03252173347888956 5.3275e-08  
a 2.285639943598345 1.5226e-08 au
q 2.211306970523935 1.2294e-07 au
i 10.71097774219531 5.3956e-06 deg
node 202.593059783649 2.3734e-05 deg
peri 165.8267825984366 7.8974e-05 deg
M 216.4941398727877 7.8289e-05 deg
tp 2459503.626610443639
(2021-Oct-16.12661044)
0.00027625 TDB
period 1262.147619610443
3.46
1.2612e-05
3.453e-08
d
yr
n .2852281257806536 2.85e-09 deg/d
Q 2.359972916672755 1.5721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      8724 days (23.89 yr)  
   first obs. used      1996-06-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:37  

Additional Information
 Earth MOID = 1.21279 au 
 Jupiter MOID = 2.74545 au 
 T_jup = 3.578 
[ 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 16.8   n/a MPO455306  

312874 (2011 UM165)          Discovered 2004-Oct-07 by NEAT at Palomar
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 UM165 = 2006 HB112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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