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160907 (2001 UJ87)
Classification: Main-belt Asteroid          SPK-ID: 2160907
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1728157668736206 3.9432e-08  
a 2.256364430977257 7.4251e-09 au
q 1.866429081491561 9.0742e-08 au
i 1.249998490685114 4.2239e-06 deg
node 230.3514524423597 0.00021911 deg
peri 2.524588755933027 0.00021955 deg
M 340.9975623580171 1.4499e-05 deg
tp 2459065.846015216984
(2020-Aug-04.34601522)
4.9945e-05 TDB
period 1237.976196598085
3.39
6.1108e-06
1.673e-08
d
yr
n .2907971905996798 1.4354e-09 deg/d
Q 2.646299780462952 8.7083e-09 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      9869 days (27.02 yr)  
   first obs. used      1993-04-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:36:56  

Additional Information
 Earth MOID = .855443 au 
 Jupiter MOID = 2.34811 au 
 T_jup = 3.603 
[ 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 16.9   n/a MPO454066  

160907 (2001 UJ87)          Discovered 2001-Oct-18 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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