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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .279777241595977 5.033e-08  
a 2.60732856522777 1.4367e-08 au
q 1.877857371313949 1.343e-07 au
i 4.903677255498351 6.2245e-06 deg
node 170.9269219717033 7.5206e-05 deg
peri 98.68345498898645 7.6185e-05 deg
M 274.7433253562751 1.3471e-05 deg
tp 2459564.681566388409
(2021-Dec-16.18156639)		 5.9459e-05 TDB
period 1537.772431867619
4.21		 1.2711e-05
3.48e-08		 d
yr
n .2341048600817881 1.935e-09 deg/d
Q 3.336799759141592 1.8387e-08 au
   Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      9014 days (24.68 yr)  
   first obs. used      1996-04-17  
   last obs. used      2020-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58266  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:14  

Additional Information
 Earth MOID = .867812 au 
 Jupiter MOID = 1.80551 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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