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118639 (2000 HM73)
Classification: Main-belt Asteroid          SPK-ID: 2118639
[ 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 .08486014527349534 6.2566e-08  
a 2.37454677761148 1.5087e-08 au
q 2.173042393104659 1.4833e-07 au
i 11.89246675143 6.7446e-06 deg
node 138.7285753170064 2.3183e-05 deg
peri 17.78628878213598 3.9308e-05 deg
M 225.1983127461285 3.209e-05 deg
tp 2459500.951906838538
(2021-Oct-13.45190684)		 0.00012088 TDB
period 1336.501716944937
3.66		 1.2738e-05
3.487e-08		 d
yr
n .2693599233249858 2.5672e-09 deg/d
Q 2.5760511621183 1.6368e-08 au
   Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1997-07-26  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57645  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:01:38  

Additional Information
 Earth MOID = 1.18643 au 
 Jupiter MOID = 2.42109 au 
 T_jup = 3.509 
[ 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 MPO436570  

118639 (2000 HM73)          Discovered 2000-Apr-27 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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