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160231 (2002 HA)
Classification: Main-belt Asteroid          SPK-ID: 2160231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2666068180547693 4.3576e-08  
a 2.691311605277918 1.6003e-08 au
q 1.973789581800899 1.2022e-07 au
i 13.99477950978453 6.2679e-06 deg
node 153.1602087563126 2.2287e-05 deg
peri 145.5755423073337 2.5157e-05 deg
M 339.7759419962788 1.2034e-05 deg
tp 2459091.096246442489
(2020-Aug-29.59624644)
5.4226e-05 TDB
period 1612.665900844174
4.42
1.4384e-05
3.938e-08
d
yr
n .2232328468107081 1.9911e-09 deg/d
Q 3.408833628754936 2.0269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      6697 days (18.34 yr)  
   first obs. used      2002-02-16  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:07:35  

Additional Information
 Earth MOID = .974841 au 
 Jupiter MOID = 1.95575 au 
 T_jup = 3.279 
[ show covariance matrix ]

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 15.4   n/a MPO285043  

160231 (2002 HA)          Discovered 2002-Apr-16 by Uppsala-DLR Asteroid Survey at Kvistaberg
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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