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152737 (1998 WF28)
Classification: Main-belt Asteroid          SPK-ID: 2152737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162743273363082 4.5114e-08  
a 2.339747582298179 1.0227e-08 au
q 1.833720247799887 1.0536e-07 au
i 1.281873044910726 4.4445e-06 deg
node 219.209613563938 0.000225 deg
peri 137.6881273321869 0.00022533 deg
M 98.37220311263803 1.5827e-05 deg
tp 2458843.291458833758
(2019-Dec-25.79145883)
5.5705e-05 TDB
period 1307.229794097457
3.58
8.5705e-06
2.346e-08
d
yr
n .2753915200108737 1.8055e-09 deg/d
Q 2.84577491679647 1.2438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      9193 days (25.17 yr)  
   first obs. used      1995-11-18  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54269  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:44:16  

Additional Information
 Earth MOID = .828146 au 
 Jupiter MOID = 2.60494 au 
 T_jup = 3.533 
[ 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 16.6   n/a MPO439910  

152737 (1998 WF28)          Discovered 1998-Nov-18 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1998 WF28 = 2005 RM10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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