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48402 (1981 EH28)
Classification: Main-belt Asteroid          SPK-ID: 2048402
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06971363970678346 4.2871e-08  
a 2.449312081454125 1.0066e-08 au
q 2.27856162147816 1.0621e-07 au
i 2.317688763085649 4.2701e-06 deg
node 26.05820399166514 0.00011322 deg
peri 82.15125640194053 0.00011849 deg
M 43.18211584144954 3.3811e-05 deg
tp 2458432.555405049604
(2018-Nov-10.05540505)
0.00013142 TDB
period 1400.117919282413
3.83
8.6312e-06
2.363e-08
d
yr
n .2571212003232605 1.5851e-09 deg/d
Q 2.62006254143009 1.0768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      13964 days (38.23 yr)  
   first obs. used      1981-02-12  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53487  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:38:03  

Additional Information
 Earth MOID = 1.29694 au 
 Jupiter MOID = 2.44393 au 
 T_jup = 3.492 
[ 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 15.1   n/a MPO432041  
diameter diameter 5.847 km 1.684 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.052   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

48402 (1981 EH28)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EH28 = 1998 SS106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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