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JPL Small-Body Database Browser
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37970 (1998 HG100)
Classification: Main-belt Asteroid          SPK-ID: 2037970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .09894035069725308 6.1317e-08  
a 2.582343582443289 1.3994e-08 au
q 2.32684560277555 1.618e-07 au
i 15.08987781301703 5.683e-06 deg
node 52.47126221510471 1.9499e-05 deg
peri 163.3660703899342 3.5542e-05 deg
M 119.0745859230731 3.3672e-05 deg
tp 2458499.155744076249
(2019-Jan-15.65574408)
0.00014 TDB
period 1515.721685978822
4.15
1.2321e-05
3.373e-08
d
yr
n .2375106217257289 1.9307e-09 deg/d
Q 2.837841562111029 1.5379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:35:32  

Additional Information
 Earth MOID = 1.32158 au 
 Jupiter MOID = 2.14516 au 
 T_jup = 3.369 
[ 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 14.4   n/a MPO474235  
diameter diameter 5.625 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37970 (1998 HG100)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HG100 = 2000 XF30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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