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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2735165600050582 4.5808e-08  
a 2.581306118744253 1.303e-08 au
q 1.875276148825317 1.1525e-07 au
i 3.312017421978171 7.4569e-06 deg
node 214.0918030427458 0.00010608 deg
peri 80.93592872306603 0.00010706 deg
M 263.9375801594124 1.3976e-05 deg
tp 2459404.711546171020
(2021-Jul-09.21154617)
5.9778e-05 TDB
period 1514.808359637893
4.15
1.147e-05
3.14e-08
d
yr
n .2376538244653312 1.7995e-09 deg/d
Q 3.287336088663189 1.6594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      7296 days (19.98 yr)  
   first obs. used      2000-04-26  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:21:53  

Additional Information
 Earth MOID = .86285 au 
 Jupiter MOID = 1.94578 au 
 T_jup = 3.368 
[ 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 15.9   n/a MPO432689  

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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