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118761 (2000 QB220)
Classification: Main-belt Asteroid          SPK-ID: 2118761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2354849023993945 4.3785e-08  
a 2.721657857473313 1.4582e-08 au
q 2.080748522541665 1.2098e-07 au
i 2.699893051293591 5.4195e-06 deg
node 286.9139768501026 0.00010282 deg
peri 95.45624719510637 0.0001037 deg
M 151.0690995438847 1.2388e-05 deg
tp 2458512.288604118798
(2019-Jan-28.78860412)
5.4036e-05 TDB
period 1640.018397311364
4.49
1.318e-05
3.608e-08
d
yr
n .2195097326896953 1.7641e-09 deg/d
Q 3.362567192404961 1.8016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      15117 days (41.39 yr)  
   first obs. used      1978-11-01  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:09:08  

Additional Information
 Earth MOID = 1.0848 au 
 Jupiter MOID = 2.11637 au 
 T_jup = 3.316 
[ 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 16.03   n/a E2021B55  
diameter diameter 3.763 km 0.774 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.054   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

118761 (2000 QB220)          Discovered 2000-Aug-21 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 QB220 = 1978 VE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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