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100873 (1998 HT82)
Classification: Main-belt Asteroid          SPK-ID: 2100873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785270218892717 6.2837e-08  
a 2.326460237324146 1.4241e-08 au
q 1.911124219610858 1.5292e-07 au
i 1.378190632853924 5.1777e-06 deg
node 299.5791374340695 0.00026084 deg
peri 309.2448010313288 0.0002623 deg
M 56.16614872093932 3.3882e-05 deg
tp 2458798.284694915806
(2019-Nov-10.78469492)
0.00012064 TDB
period 1296.110050058856
3.55
1.1901e-05
3.258e-08
d
yr
n .2777541922336398 2.5504e-09 deg/d
Q 2.741796255037433 1.6784e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7680 days (21.03 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:12:32  

Additional Information
 Earth MOID = .897563 au 
 Jupiter MOID = 2.29284 au 
 T_jup = 3.552 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO432536  

100873 (1998 HT82)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HT82 = 2002 PT23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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