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100892 (1998 HM125)
Classification: Main-belt Asteroid          SPK-ID: 2100892
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345622313786315 3.7271e-08  
a 2.369536284437459 9.7276e-09 au
q 2.050686194670923 8.5924e-08 au
i 6.928372807981573 3.6775e-06 deg
node 159.3550637483509 3.1489e-05 deg
peri 53.8135082767843 3.4742e-05 deg
M 28.16951707815049 1.2951e-05 deg
tp 2458896.251366013265
(2020-Feb-16.75136601)
4.8007e-05 TDB
period 1332.273752904837
3.65
8.204e-06
2.246e-08
d
yr
n .2702147356840667 1.664e-09 deg/d
Q 2.688386374203995 1.1037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:55  

Additional Information
 Earth MOID = 1.05428 au 
 Jupiter MOID = 2.28711 au 
 T_jup = 3.524 
[ 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 16.0   n/a MPO432536  

100892 (1998 HM125)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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