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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952043736837591 3.8583e-08  
a 2.666129594214793 1.5634e-08 au
q 2.145689436616359 1.0309e-07 au
i 2.937409302445096 5.2167e-06 deg
node 301.0366777782115 8.8152e-05 deg
peri 283.9290388662934 8.9296e-05 deg
M 64.93537896099907 1.6956e-05 deg
tp 2458913.686764375799
(2020-Mar-05.18676438)
7.3695e-05 TDB
period 1590.084888651026
4.35
1.3986e-05
3.829e-08
d
yr
n .2264030068894068 1.9914e-09 deg/d
Q 3.186569751813226 1.8686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:07  

Additional Information
 Earth MOID = 1.13768 au 
 Jupiter MOID = 1.81638 au 
 T_jup = 3.354 
[ 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 15.81   n/a E2021B55  

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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