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JPL Small-Body Database Browser
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56520 (2000 HO21)
Classification: Main-belt Asteroid          SPK-ID: 2056520
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442752556339061 4.5386e-08  
a 2.239965983035586 1.1024e-08 au
q 1.916794318221873 9.9608e-08 au
i 5.070173372598179 4.6938e-06 deg
node 95.74336850556038 5.7939e-05 deg
peri 180.22410206252 6.1868e-05 deg
M 311.11540865487 2.6339e-05 deg
tp 2459166.776184254394
(2020-Nov-13.27618425)
9.0229e-05 TDB
period 1224.504996041972
3.35
9.0397e-06
2.475e-08
d
yr
n .2939963504956254 2.1704e-09 deg/d
Q 2.563137647849299 1.2615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      8772 days (24.02 yr)  
   first obs. used      1996-01-25  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:50:12  

Additional Information
 Earth MOID = .900397 au 
 Jupiter MOID = 2.54041 au 
 T_jup = 3.616 
[ 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 16.0   n/a MPO468457  
diameter diameter 1.633 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56520 (2000 HO21)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HO21 = 2001 VP82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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