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100836 (1998 HF14)
Classification: Main-belt Asteroid          SPK-ID: 2100836
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1341897067191527 4.5119e-08  
a 3.095902040303452 2.4351e-08 au
q 2.680463853483905 1.5084e-07 au
i 5.863101768294314 4.2556e-06 deg
node 113.8269707828467 6.2086e-05 deg
peri 187.8781904612518 6.6983e-05 deg
M 334.7467169489669 2.5292e-05 deg
tp 2459340.070806564707
(2021-May-05.57080656)		 0.00013976 TDB
period 1989.661710984507
5.45		 2.3475e-05
6.427e-08		 d
yr
n .1809352806120333 2.1347e-09 deg/d
Q 3.511340227122998 2.7619e-08 au
   Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      10829 days (29.65 yr)  
   first obs. used      1991-01-12  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:59  

Additional Information
 Earth MOID = 1.66312 au 
 Jupiter MOID = 1.70954 au 
 T_jup = 3.201 
[ 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 14.77   n/a E2021B55  
diameter diameter 6.196 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100836 (1998 HF14)          Discovered 1998-Apr-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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