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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2504462677315832 4.1041e-08  
a 2.275218903428186 6.1924e-09 au
q 1.705398820792251 9.2611e-08 au
i 6.745886318014837 4.8805e-06 deg
node 177.9751344295314 2.9776e-05 deg
peri 124.0049545413752 3.0919e-05 deg
M 96.07190962704259 7.1699e-06 deg
tp 2458665.976116084105
(2019-Jul-01.47611608)
2.4857e-05 TDB
period 1253.525600534369
3.43
5.1175e-06
1.401e-08
d
yr
n .2871899862647675 1.1724e-09 deg/d
Q 2.845038986064121 7.7432e-09 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5955  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:01  

Additional Information
 Earth MOID = .701707 au 
 Jupiter MOID = 2.43575 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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