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86856 (2000 HE9)
Classification: Main-belt Asteroid          SPK-ID: 2086856
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047992597840415 5.057e-08  
a 2.455532970365979 1.3426e-08 au
q 1.952641635659718 1.2517e-07 au
i 1.237679453274524 5.0269e-06 deg
node 53.38822375944476 0.00029624 deg
peri 248.6488267240703 0.00029654 deg
M 20.39290309909705 1.5092e-05 deg
tp 2458920.885231548643
(2020-Mar-12.38523155)
5.8679e-05 TDB
period 1405.455442180644
3.85
1.1527e-05
3.156e-08
d
yr
n .2561447266100728 2.1008e-09 deg/d
Q 2.958424305072241 1.6176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      9442 days (25.85 yr)  
   first obs. used      1993-09-17  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57191  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:49:54  

Additional Information
 Earth MOID = .937634 au 
 Jupiter MOID = 2.27599 au 
 T_jup = 3.464 
[ 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 16.3   n/a MPO474754  

86856 (2000 HE9)          Discovered 2000-Apr-27 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2000 HE9 = 1993 SC7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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