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JPL Small-Body Database Browser
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56539 (2000 HT58)
Classification: Main-belt Asteroid          SPK-ID: 2056539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852228211186036 4.5728e-08  
a 2.260187575841102 1.1708e-08 au
q 1.841549256786595 1.0628e-07 au
i 6.364107059256883 5.6197e-06 deg
node 3.262050507553308 4.2487e-05 deg
peri 296.643254771737 4.5046e-05 deg
M 265.9464342351902 1.4304e-05 deg
tp 2459324.755921806993
(2021-Apr-20.25592181)
5.0141e-05 TDB
period 1241.12393720848
3.40
9.6439e-06
2.64e-08
d
yr
n .2900596702773354 2.2539e-09 deg/d
Q 2.678825894895608 1.3877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      9441 days (25.85 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:25:36  

Additional Information
 Earth MOID = .836988 au 
 Jupiter MOID = 2.56767 au 
 T_jup = 3.590 
[ 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 15.9   n/a MPO309580  
diameter diameter 2.037 km 0.506 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56539 (2000 HT58)          Discovered 2000-Apr-25 by LONEOS at Anderson Mesa
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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