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100425 (1996 HM)
Classification: Main-belt Asteroid          SPK-ID: 2100425
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2798160595467319 5.0575e-08  
a 2.607607156352179 1.4359e-08 au
q 1.877956797015853 1.3493e-07 au
i 4.903055037114609 6.2505e-06 deg
node 170.9328861943737 7.5826e-05 deg
peri 98.64919989912903 7.6803e-05 deg
M 227.9695399612839 1.3241e-05 deg
tp 2459564.570398166896
(2021-Dec-16.07039817)		 5.9496e-05 TDB
period 1538.018903217762
4.21		 1.2704e-05
3.478e-08		 d
yr
n .234067344196373 1.9333e-09 deg/d
Q 3.337257515688505 1.8376e-08 au
   Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      8294 days (22.71 yr)  
   first obs. used      1996-04-17  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:49:06  

Additional Information
 Earth MOID = .869682 au 
 Jupiter MOID = 1.80579 au 
 T_jup = 3.350 
[ 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 16.5   n/a MPO266351  

100425 (1996 HM)          Discovered 1996-Apr-17 by AMOS at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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