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213230 (2000 WP85)
Classification: Main-belt Asteroid          SPK-ID: 2213230
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734170241348754 4.8489e-08  
a 2.303086881561887 1.4075e-08 au
q 1.903692408237355 1.1618e-07 au
i 6.148377322010886 5.3391e-06 deg
node 55.95951084625765 6.0174e-05 deg
peri 351.8500920956943 6.3262e-05 deg
M 283.4674857500407 2.197e-05 deg
tp 2459471.898466558762
(2021-Sep-14.39846656)
7.9441e-05 TDB
period 1276.626658860957
3.50
1.1703e-05
3.204e-08
d
yr
n .281993171222981 2.5851e-09 deg/d
Q 2.702481354886419 1.6516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      6818 days (18.67 yr)  
   first obs. used      2000-09-30  
   last obs. used      2019-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:53  

Additional Information
 Earth MOID = .913131 au 
 Jupiter MOID = 2.67621 au 
 T_jup = 3.562 
[ 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 16.3   n/a MPO433394  
diameter diameter 3.111 km 0.723 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.055   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

213230 (2000 WP85)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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