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JPL Small-Body Database Browser
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243607 (1998 WJ42)
Classification: Main-belt Asteroid          SPK-ID: 2243607
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039371434649981 5.1913e-08  
a 2.722648138712787 2.1448e-08 au
q 2.439663868514686 1.4358e-07 au
i 5.67992880671183 6.3444e-06 deg
node 230.1424876326287 5.4564e-05 deg
peri 159.5184558267727 6.2157e-05 deg
M 219.6834849474455 3.1004e-05 deg
tp 2459240.075758259759
(2021-Jan-25.57575826)
0.00014497 TDB
period 1640.913565215583
4.49
1.939e-05
5.309e-08
d
yr
n .2193899835014791 2.5924e-09 deg/d
Q 3.005632408910887 2.3677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1998-11-14  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53665  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:15:54  

Additional Information
 Earth MOID = 1.44539 au 
 Jupiter MOID = 2.40974 au 
 T_jup = 3.343 
[ 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 16.5   n/a MPO437136  

243607 (1998 WJ42)          Discovered 1998-Nov-19 by ODAS at Caussols
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1998 WJ42 = 2007 VS126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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