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71901 (2000 WS23)
Classification: Main-belt Asteroid          SPK-ID: 2071901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09261987881445083 3.4157e-08  
a 2.363040788151147 9.9777e-09 au
q 2.144176236718984 8.4371e-08 au
i 6.994363270376615 4.7041e-06 deg
node 159.9687484470068 2.7471e-05 deg
peri 92.62558826564864 3.898e-05 deg
M 304.9674599908093 3.0112e-05 deg
tp 2459203.325385969739
(2020-Dec-19.82538597)
0.00011157 TDB
period 1326.799361557943
3.63
8.4034e-06
2.301e-08
d
yr
n .2713296451825873 1.7185e-09 deg/d
Q 2.581905339583311 1.0902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1999-06-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:47:27  

Additional Information
 Earth MOID = 1.14376 au 
 Jupiter MOID = 2.45682 au 
 T_jup = 3.534 
[ 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 15.1   n/a MPO502596  
diameter diameter 2.156 km 0.561 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.346   0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71901 (2000 WS23)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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