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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01182006148013354 5.6014e-08  
a 2.305653238708137 9.9814e-09 au
q 2.278400275674737 1.2902e-07 au
i 2.020057314478998 5.7547e-06 deg
node 230.0627419491924 0.000113 deg
peri 334.4176444354916 0.0002279 deg
M 320.3586502392396 0.00020054 deg
tp 2459341.310599369672
(2021-May-06.81059937)
0.00071246 TDB
period 1278.761093631073
3.50
8.3038e-06
2.273e-08
d
yr
n .2815224843741306 1.8281e-09 deg/d
Q 2.332906201741536 1.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      10683 days (29.25 yr)  
   first obs. used      1991-11-12  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .67835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:40  

Additional Information
 Earth MOID = 1.26961 au 
 Jupiter MOID = 2.62531 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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