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118313 (1998 WV2)
Classification: Main-belt Asteroid          SPK-ID: 2118313
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01193597717635781 5.6441e-08  
a 2.305779060296722 1.0551e-08 au
q 2.278257334059296 1.2987e-07 au
i 2.020105939036932 5.9298e-06 deg
node 230.0710518800433 0.00011713 deg
peri 334.3175230688902 0.00024224 deg
M 264.1599626197304 0.00021528 deg
tp 2459340.962619946823
(2021-May-06.46261995)
0.00076524 TDB
period 1278.865769788283
3.50
8.778e-06
2.403e-08
d
yr
n .2814994415399812 1.9322e-09 deg/d
Q 2.333300786534147 1.0677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      10249 days (28.06 yr)  
   first obs. used      1991-11-12  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68877  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:52:17  

Additional Information
 Earth MOID = 1.2708 au 
 Jupiter MOID = 2.62601 au 
 T_jup = 3.587 
[ 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 16.8   n/a MPO248092  

118313 (1998 WV2)          Discovered 1998-Nov-17 by ODAS at Caussols
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1998 WV2 = 2000 GA25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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