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JPL Small-Body Database Browser
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52738 (1998 HW108)
Classification: Main-belt Asteroid          SPK-ID: 2052738
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2185884248494737 3.4609e-08  
a 3.056276707834326 1.7333e-08 au
q 2.388209996364685 1.0811e-07 au
i 11.31910401785552 4.496e-06 deg
node 139.6617098849719 2.558e-05 deg
peri 331.6008738470552 2.8714e-05 deg
M 48.68162238191343 1.2661e-05 deg
tp 2458336.593566944017
(2018-Aug-06.09356694)
6.7871e-05 TDB
period 1951.584833283032
5.34
1.6602e-05
4.545e-08
d
yr
n .1844654630741283 1.5693e-09 deg/d
Q 3.724343419303966 2.1122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      9492 days (25.99 yr)  
   first obs. used      1993-05-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53554  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:43  

Additional Information
 Earth MOID = 1.4114 au 
 Jupiter MOID = 1.42495 au 
 T_jup = 3.169 
[ 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 14.2   n/a MPO474411  

52738 (1998 HW108)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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