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JPL Small-Body Database Browser
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48862 (1998 HE32)
Classification: Main-belt Asteroid          SPK-ID: 2048862
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179139949236881 3.4374e-08  
a 2.226035818900539 7.983e-09 au
q 1.827263875303218 7.7721e-08 au
i 1.6915863773941 4.186e-06 deg
node 238.528571278362 0.00011914 deg
peri 53.40561454007051 0.00011961 deg
M 48.82295939709147 1.0691e-05 deg
tp 2458435.980171149004
(2018-Nov-13.48017115)
3.5859e-05 TDB
period 1213.100129892716
3.32
6.5257e-06
1.787e-08
d
yr
n .2967603342288304 1.5964e-09 deg/d
Q 2.624807762497861 9.4131e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1333  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5088  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:36  

Additional Information
 Earth MOID = .811013 au 
 Jupiter MOID = 2.54929 au 
 T_jup = 3.624 
[ 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 14.9   n/a MPO449313  
diameter diameter 2.891 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.269   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

48862 (1998 HE32)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HE32 = 1999 VE28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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