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72863 (2001 HJ51)
Classification: Main-belt Asteroid          SPK-ID: 2072863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716371007932254 3.3563e-08  
a 2.41259636915757 1.2029e-08 au
q 1.998505322971102 8.2962e-08 au
i 2.227150987566185 6.6383e-06 deg
node 202.1948124816109 9.9483e-05 deg
peri 85.92109636208582 0.00010158 deg
M 32.21139942522908 2.1037e-05 deg
tp 2459078.029208636524
(2020-Aug-16.52920864)
7.9708e-05 TDB
period 1368.754095679521
3.75
1.0236e-05
2.802e-08
d
yr
n .2630129116225783 1.967e-09 deg/d
Q 2.826687415344037 1.4093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      9509 days (26.03 yr)  
   first obs. used      1994-07-09  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:28  

Additional Information
 Earth MOID = .981759 au 
 Jupiter MOID = 2.33646 au 
 T_jup = 3.497 
[ 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 16.22   n/a E2021B10  

72863 (2001 HJ51)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HJ51 = 1998 RX61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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