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JPL Small-Body Database Browser
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185969 (2001 HG63)
Classification: Main-belt Asteroid          SPK-ID: 2185969
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749063657616002 6.7812e-08  
a 2.284774384212751 1.3171e-08 au
q 1.885152800084901 1.4793e-07 au
i 22.73782703552703 6.9608e-06 deg
node 229.0567066155376 1.0579e-05 deg
peri 66.58743208871756 2.8299e-05 deg
M 137.4003655567994 2.123e-05 deg
tp 2458519.052655294419
(2019-Feb-04.55265529)
7.4207e-05 TDB
period 1261.430734857547
3.45
1.0908e-05
2.986e-08
d
yr
n .2853902240146818 2.4678e-09 deg/d
Q 2.6843959683406 1.5475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6787 days (18.58 yr)  
   first obs. used      2001-04-26  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:32:31  

Additional Information
 Earth MOID = .964 au 
 Jupiter MOID = 2.56749 au 
 T_jup = 3.481 
[ 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 16.2   n/a MPO502996  

185969 (2001 HG63)          Discovered 2001-Apr-26 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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