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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441105325422379 5.5273e-08  
a 2.240421647942616 1.3336e-08 au
q 1.917553291138447 1.1856e-07 au
i 5.070143786307107 4.9165e-06 deg
node 95.74340664644889 5.7979e-05 deg
peri 180.1372910159168 6.2797e-05 deg
M 193.6156796203771 3.0427e-05 deg
tp 2459166.612785948556
(2020-Nov-13.11278595)
0.00010683 TDB
period 1224.878657294678
3.35
1.0937e-05
2.994e-08
d
yr
n .2939066640242651 2.6243e-09 deg/d
Q 2.563290004746785 1.5258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      8384 days (22.95 yr)  
   first obs. used      1996-01-25  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63583  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:25:30  

Additional Information
 Earth MOID = .900638 au 
 Jupiter MOID = 2.53936 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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