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100838 (1998 HB16)
Classification: Main-belt Asteroid          SPK-ID: 2100838
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08686634919585536 3.9264e-08  
a 2.292920783932159 8.9677e-09 au
q 2.093743126436674 8.8083e-08 au
i 6.911862920487208 4.2266e-06 deg
node 67.38317776444985 2.8535e-05 deg
peri 126.8440141278686 3.5326e-05 deg
M 199.4281883058786 2.1734e-05 deg
tp 2459766.151326541481
(2022-Jul-05.65132654)		 7.7804e-05 TDB
period 1268.183222238554
3.47		 7.4398e-06
2.037e-08		 d
yr
n .283870653456951 1.6653e-09 deg/d
Q 2.492098441427645 9.7467e-09 au
   Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      8302 days (22.73 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:59  

Additional Information
 Earth MOID = 1.09865 au 
 Jupiter MOID = 2.47476 au 
 T_jup = 3.582 
[ 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 16.5   n/a MPO337987  

100838 (1998 HB16)          Discovered 1998-Apr-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HB16 = 2002 NS14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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