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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791399413892117 3.8166e-08  
a 2.226035820906801 9.0364e-09 au
q 1.827263894419271 8.7592e-08 au
i 1.691586362280479 4.1869e-06 deg
node 238.52851948969 0.00013257 deg
peri 53.40566410266243 0.00013306 deg
M 48.82296027402729 1.0849e-05 deg
tp 2458435.980167971558
(2018-Nov-13.48016797)
3.648e-05 TDB
period 1213.100131532714
3.32
7.3867e-06
2.022e-08
d
yr
n .2967603338276383 1.807e-09 deg/d
Q 2.624807747394331 1.0655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      7890 days (21.60 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51642  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:05  

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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