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71987 (2000 WU160)
Classification: Main-belt Asteroid          SPK-ID: 2071987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04397523698965242 3.2719e-08  
a 2.300105930446693 9.1715e-09 au
q 2.198958227053995 7.505e-08 au
i 7.304754491183431 3.8386e-06 deg
node 165.9046861844102 2.8124e-05 deg
peri 329.6950641533005 5.2214e-05 deg
M 144.5132587902441 4.434e-05 deg
tp 2458489.023862063374
(2019-Jan-05.52386206)
0.00015627 TDB
period 1274.148899544544
3.49
7.6209e-06
2.086e-08
d
yr
n .2825415460694469 1.6899e-09 deg/d
Q 2.401253633839392 9.5748e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      8646 days (23.67 yr)  
   first obs. used      1996-10-15  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:41:26  

Additional Information
 Earth MOID = 1.21424 au 
 Jupiter MOID = 2.58893 au 
 T_jup = 3.580 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO333415  

71987 (2000 WU160)          Discovered 2000-Nov-20 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WU160 = 2000 UT89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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