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100828 (1998 HM6)
Classification: Main-belt Asteroid          SPK-ID: 2100828
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503761120572302 4.0981e-08  
a 2.275586202951067 6.1772e-09 au
q 1.705833776805103 9.2473e-08 au
i 6.745816190097973 4.7993e-06 deg
node 177.9667050272496 2.9773e-05 deg
peri 124.0515004285898 3.0848e-05 deg
M 153.4548616186048 7.0895e-06 deg
tp 2458666.038389592226
(2019-Jul-01.53838959)
2.4448e-05 TDB
period 1253.829156778383
3.43
5.1054e-06
1.398e-08
d
yr
n .2871204566059002 1.1691e-09 deg/d
Q 2.84533862909703 7.7238e-09 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      8307 days (22.74 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:57  

Additional Information
 Earth MOID = .700193 au 
 Jupiter MOID = 2.43518 au 
 T_jup = 3.558 
[ 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 MPO436469  

100828 (1998 HM6)          Discovered 1998-Apr-21 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HM6 = 2002 RL88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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