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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730203752882165 3.9441e-08  
a 2.256910869070191 7.2604e-09 au
q 1.866419303511612 9.0738e-08 au
i 1.249798798517909 4.2232e-06 deg
node 230.3430051205968 0.00021529 deg
peri 2.563442602871789 0.00021575 deg
M 39.11940508973559 1.4413e-05 deg
tp 2459065.926428084668
(2020-Aug-04.42642808)
4.942e-05 TDB
period 1238.425936651861
3.39
5.9759e-06
1.636e-08
d
yr
n .2906915862673837 1.4027e-09 deg/d
Q 2.64740243462877 8.5166e-09 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      9894 days (27.09 yr)  
   first obs. used      1993-04-21  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:18  

Additional Information
 Earth MOID = .85411 au 
 Jupiter MOID = 2.34595 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 16.94   n/a E2020-QM9  

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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