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100886 (1998 HR108)
Classification: Main-belt Asteroid          SPK-ID: 2100886
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893798242416833 3.3084e-08  
a 2.321602650020906 9.3424e-09 au
q 1.88193794820092 7.3722e-08 au
i 7.400345291332205 3.1332e-06 deg
node 102.7396545886358 3.9116e-05 deg
peri 162.7874810903975 4.1704e-05 deg
M 104.6162347861992 1.6259e-05 deg
tp 2458825.028612321483
(2019-Dec-07.52861232)		 5.7373e-05 TDB
period 1292.052804619743
3.54		 7.7991e-06
2.135e-08		 d
yr
n .2786263833125223 1.6818e-09 deg/d
Q 2.761267351840891 1.1112e-08 au
   Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      8329 days (22.80 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:27  

Additional Information
 Earth MOID = .865618 au 
 Jupiter MOID = 2.33101 au 
 T_jup = 3.542 
[ 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 15.87   n/a E2021B55  

100886 (1998 HR108)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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