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JPL Small-Body Database Browser
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71990 (2000 WG167)
Classification: Main-belt Asteroid          SPK-ID: 2071990
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09808158429817507 3.7888e-08  
a 2.296626069777438 9.434e-09 au
q 2.071369346313176 8.7326e-08 au
i 5.098345138904287 3.9909e-06 deg
node 103.34411140726 4.55e-05 deg
peri 60.97684239331431 4.9974e-05 deg
M 123.1570350680772 2.0643e-05 deg
tp 2458565.598819430144
(2019-Mar-23.09881943)
7.228e-05 TDB
period 1271.258478402023
3.48
7.833e-06
2.145e-08
d
yr
n .2831839520571156 1.7449e-09 deg/d
Q 2.521882793241701 1.0359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      8178 days (22.39 yr)  
   first obs. used      1997-12-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:48:06  

Additional Information
 Earth MOID = 1.08491 au 
 Jupiter MOID = 2.45804 au 
 T_jup = 3.583 
[ 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 15.8   n/a MPO436286  

71990 (2000 WG167)          Discovered 2000-Nov-24 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WG167 = 1997 XH8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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