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JPL Small-Body Database Browser
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56519 (2000 HB21)
Classification: Main-belt Asteroid          SPK-ID: 2056519
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1467905459693419 3.4184e-08  
a 2.280141317653735 8.0912e-09 au
q 1.945438128748088 7.7442e-08 au
i 3.345514529687328 3.915e-06 deg
node 127.750603092576 8.1305e-05 deg
peri 170.4355652233626 8.3718e-05 deg
M 123.2816123405476 2.1949e-05 deg
tp 2458169.837677343390
(2018-Feb-20.33767734)
7.6009e-05 TDB
period 1257.595785883366
3.44
6.694e-06
1.833e-08
d
yr
n .2862605012206902 1.5237e-09 deg/d
Q 2.614844506559381 9.2789e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      7340 days (20.10 yr)  
   first obs. used      1998-12-17  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:25:30  

Additional Information
 Earth MOID = .929033 au 
 Jupiter MOID = 2.57287 au 
 T_jup = 3.589 
[ 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 15.3   n/a MPO459239  
diameter diameter 1.951 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.321   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56519 (2000 HB21)          Discovered 2000-Apr-27 by LINEAR at Socorro
Reference: 20030318/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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