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JPL Small-Body Database Browser
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56542 (2000 HJ63)
Classification: Main-belt Asteroid          SPK-ID: 2056542
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010982230943756 4.3734e-08  
a 2.415197635616297 8.3657e-09 au
q 1.929505682672122 1.082e-07 au
i 1.385491150124313 4.6739e-06 deg
node 162.4736274808736 0.0001474 deg
peri 205.572887809609 0.00014771 deg
M 340.3667304218515 1.1067e-05 deg
tp 2459075.268310661606
(2020-Aug-13.76831066)
4.2375e-05 TDB
period 1370.968382573213
3.75
7.1231e-06
1.95e-08
d
yr
n .2625881125896607 1.3643e-09 deg/d
Q 2.900889588560472 1.0048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1990-11-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:09:42  

Additional Information
 Earth MOID = .928595 au 
 Jupiter MOID = 2.56102 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456451.5 (2013-Jun-08.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012711497972602 4.3614e-08  
q 1.929301804267052 1.078e-07 au
tp 2456334.662093743557
(2013-Feb-11.16209374)
3.5839e-05 TDB
node 162.5917782915282 0.00014772 deg
peri 205.8167095503695 0.00014803 deg
i 1.383499196475854 4.6703e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1990-11-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:09:42  

Additional Information
 Jupiter MOID = 2.56102 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.902146988890209E-15 -4.693847241463556E-15 -5.200577168451498E-13 -1.28244051441877E-14 -1.268461250691494E-13 -3.041250318401994E-16
q -4.693847241463556E-15 1.162052769290514E-14 1.321229245390016E-12 3.157100480728935E-14 3.226908335905205E-13 7.540194324173923E-16
tp -5.200577168451498E-13 1.321229245390016E-12 1.284423843853947E-9 -7.374849564648114E-14 3.547984669132961E-10 -4.10204539491732E-14
node -1.28244051441877E-14 3.157100480728935E-14 -7.374849564648114E-14 2.18205785726704E-8 -2.181337091665783E-8 -2.008320926422433E-11
peri -1.268461250691494E-13 3.226908335905205E-13 3.547984669132961E-10 -2.181337091665783E-8 2.191267037674756E-8 2.006944663243211E-11
i -3.041250318401994E-16 7.540194324173923E-16 -4.10204539491732E-14 -2.008320926422433E-11 2.006944663243211E-11 2.181123835547486E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO244649  
diameter diameter 2.185 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56542 (2000 HJ63)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HJ63 = 1999 AE15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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