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118637 (2000 HD66)
Classification: Main-belt Asteroid          SPK-ID: 2118637
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 .2735678507425183 4.5811e-08  
a 2.58090156333965 1.2932e-08 au
q 1.874849869678817 1.153e-07 au
i 3.312345286029704 7.4531e-06 deg
node 214.08846786 0.00010606 deg
peri 80.97448903793462 0.00010704 deg
M 311.4436255157267 1.408e-05 deg
tp 2459404.767530885885
(2021-Jul-09.26753089)
5.9737e-05 TDB
period 1514.45226090214
4.15
1.1383e-05
3.116e-08
d
yr
n .2377097048840302 1.7866e-09 deg/d
Q 3.286953257000484 1.647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      7330 days (20.07 yr)  
   first obs. used      2000-04-26  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:10:00  

Additional Information
 Earth MOID = .860474 au 
 Jupiter MOID = 1.94584 au 
 T_jup = 3.369 
[ 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 15.85   n/a E2021B55  

118637 (2000 HD66)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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