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100874 (1998 HG83)
Classification: Outer Main-belt Asteroid          SPK-ID: 2100874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17791423776472 4.6175e-08  
a 3.221780646682696 3.0373e-08 au
q 2.648579998683018 1.5173e-07 au
i 6.820120810475975 5.2844e-06 deg
node 81.39222711783987 4.5568e-05 deg
peri 189.8589018266214 4.9624e-05 deg
M 250.1766653092467 2.4713e-05 deg
tp 2459644.868801870253
(2022-Mar-06.36880187)
0.00015036 TDB
period 2112.235704065015
5.78
2.9869e-05
8.178e-08
d
yr
n .1704355244574159 2.4101e-09 deg/d
Q 3.794981294682375 3.5776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      7979 days (21.85 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:47  

Additional Information
 Earth MOID = 1.63272 au 
 Jupiter MOID = 1.31688 au 
 T_jup = 3.153 
[ 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 14.7   n/a MPO436470  
diameter diameter 5.964 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100874 (1998 HG83)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HG83 = 2003 EB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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