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118249 (1997 WF15)
Classification: Main-belt Asteroid          SPK-ID: 2118249
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443994979074164 7.0999e-08  
a 2.568009827601552 2.0515e-08 au
q 2.197190497874577 1.7196e-07 au
i 6.158914962391122 6.0693e-06 deg
node 69.89341396071703 3.9936e-05 deg
peri 139.8781623421189 4.4118e-05 deg
M 21.53118093219932 1.536e-05 deg
tp 2458910.600184862943
(2020-Mar-02.10018486)
6.4443e-05 TDB
period 1503.119292492728
4.12
1.8012e-05
4.931e-08
d
yr
n .239501948912509 2.87e-09 deg/d
Q 2.938829157328527 2.3477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8238 days (22.55 yr)  
   first obs. used      1997-11-23  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:51:31  

Additional Information
 Earth MOID = 1.19551 au 
 Jupiter MOID = 2.03288 au 
 T_jup = 3.409 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO469223  

118249 (1997 WF15)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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