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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08681421398911059 3.9462e-08  
a 2.293083086340982 9.7573e-09 au
q 2.094010880588566 8.8856e-08 au
i 6.911836291218691 4.8473e-06 deg
node 67.38448890383313 3.0521e-05 deg
peri 126.9317470502883 4.0015e-05 deg
M 142.5526010294854 2.5229e-05 deg
tp 2458498.272188655401
(2019-Jan-14.77218866)		 8.86e-05 TDB
period 1268.317875495367
3.47		 8.0952e-06
2.216e-08		 d
yr
n .2838405158165848 1.8117e-09 deg/d
Q 2.492155292093398 1.0604e-08 au
   Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      8189 days (22.42 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:37:10  

Additional Information
 Earth MOID = 1.09967 au 
 Jupiter MOID = 2.47579 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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