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100866 (1998 HM60)
Classification: Main-belt Asteroid          SPK-ID: 2100866
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194692421779064 4.0802e-08  
a 2.665030916358408 1.6691e-08 au
q 2.146169593136511 1.095e-07 au
i 2.937622136929594 5.3494e-06 deg
node 301.0376243747701 9.3587e-05 deg
peri 283.922199844782 9.4855e-05 deg
M 19.68890537633006 1.8908e-05 deg
tp 2458913.589774813554
(2020-Mar-05.08977481)
8.3029e-05 TDB
period 1589.102109492315
4.35
1.4929e-05
4.087e-08
d
yr
n .2265430256807175 2.1283e-09 deg/d
Q 3.183892239580304 1.9941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59966  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:12:53  

Additional Information
 Earth MOID = 1.13934 au 
 Jupiter MOID = 1.82011 au 
 T_jup = 3.355 
[ 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 15.8   n/a MPO432536  

100866 (1998 HM60)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HM60 = 2002 CN125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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