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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852227693782113 4.5365e-08  
a 2.260187573466236 1.1252e-08 au
q 1.8415493717946 1.0577e-07 au
i 6.364108796604039 5.4527e-06 deg
node 3.262070819753147 3.9585e-05 deg
peri 296.6432366061802 4.1862e-05 deg
M 265.9464379827181 1.3997e-05 deg
tp 2459324.755908376079
(2021-Apr-20.25590838)
4.924e-05 TDB
period 1241.123935252335
3.40
9.2684e-06
2.538e-08
d
yr
n .2900596707345006 2.1661e-09 deg/d
Q 2.678825775137872 1.3336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      9817 days (26.88 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:50:29  

Additional Information
 Earth MOID = .836988 au 
 Jupiter MOID = 2.56767 au 
 T_jup = 3.590 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457049.5 (2015-Jan-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858544842719493 4.5424e-08  
q 1.840098880506139 1.0598e-07 au
tp 2456841.666069044171
(2014-Jul-03.16606904)
4.4311e-05 TDB
node 3.288404084179751 3.9578e-05 deg
peri 296.5354059340027 4.1836e-05 deg
i 6.365859888787085 5.4533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      9817 days (26.88 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 11:50:29  

Additional Information
 Jupiter MOID = 2.56767 au 
 T_jup = 3.590 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.063384219918075E-15 -4.797835977266761E-15 4.040183636882018E-13 -9.581275695391461E-15 1.551359531502214E-13 -5.799226386100478E-16
q -4.797835977266761E-15 1.123139174579602E-14 -8.914697541880471E-13 2.152752534334844E-14 -3.454388844924335E-13 1.767871511439246E-15
tp 4.040183636882018E-13 -8.914697541880471E-13 1.963442984791796E-9 -5.850586378357888E-12 6.129816653624761E-10 1.130789371234167E-12
node -9.581275695391461E-15 2.152752534334844E-14 -5.850586378357888E-12 1.566457110448953E-9 -1.55825301727517E-9 -2.985739140279544E-11
peri 1.551359531502214E-13 -3.454388844924335E-13 6.129816653624761E-10 -1.55825301727517E-9 1.750269065037427E-9 3.002610813499707E-11
i -5.799226386100478E-16 1.767871511439246E-15 1.130789371234167E-12 -2.985739140279544E-11 3.002610813499707E-11 2.973804164270843E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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