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72862 (2001 HE50)
Classification: Main-belt Asteroid          SPK-ID: 2072862
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07433121664044817 3.6308e-08  
a 2.588621365530564 1.2351e-08 au
q 2.396205990009219 9.3412e-08 au
i 14.51856659137574 4.6115e-06 deg
node 57.18620161429273 1.4594e-05 deg
peri 214.572604258854 3.3332e-05 deg
M 188.9614376795101 3.0625e-05 deg
tp 2459923.257755480787
(2022-Dec-09.75775548)
0.00012987 TDB
period 1521.252216126194
4.16
1.0888e-05
2.981e-08
d
yr
n .2366471490945302 1.6937e-09 deg/d
Q 2.781036741051909 1.3269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1492  
   data-arc span      10188 days (27.89 yr)  
   first obs. used      1993-04-28  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48179  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:19  

Additional Information
 Earth MOID = 1.39114 au 
 Jupiter MOID = 2.27439 au 
 T_jup = 3.372 
[ 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 14.4   n/a MPO453139  

72862 (2001 HE50)          Discovered 2001-Apr-21 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HE50 = 1999 XY199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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