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118629 (2000 HC42)
Classification: Main-belt Asteroid          SPK-ID: 2118629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932233311187581 3.0851e-08  
a 2.406786571294243 7.164e-09 au
q 1.941739252696875 7.3317e-08 au
i 1.679705821247912 4.1405e-06 deg
node 19.26125887369443 0.00011429 deg
peri 323.7978607098755 0.00011489 deg
M 67.74054089983805 1.2245e-05 deg
tp 2458943.873822128680
(2020-Apr-04.37382213)
4.5786e-05 TDB
period 1363.812907403226
3.73
6.0892e-06
1.667e-08
d
yr
n .2639658255511451 1.1786e-09 deg/d
Q 2.871833889891612 8.5482e-09 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      2000-04-05  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:08  

Additional Information
 Earth MOID = .932368 au 
 Jupiter MOID = 2.53142 au 
 T_jup = 3.496 
[ 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 15.89   n/a E2021B55  

118629 (2000 HC42)          Discovered 2000-Apr-29 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 HC42 = 2001 ON71 = 2001 RY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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