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295888 (2008 WM68)
Classification: Main-belt Asteroid          SPK-ID: 2295888
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145301217318425 4.0612e-08  
a 2.404785563835216 1.3608e-08 au
q 2.055367294020184 9.9786e-08 au
i 1.418103903253755 6.0884e-06 deg
node 149.4151508921141 0.00020353 deg
peri 300.0516228009592 0.00020535 deg
M 17.08461433020639 2.4515e-05 deg
tp 2458935.857872759323
(2020-Mar-27.35787276)
9.2672e-05 TDB
period 1362.112445552789
3.73
1.1561e-05
3.165e-08
d
yr
n .264295360618264 2.2433e-09 deg/d
Q 2.754203833650248 1.5585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      9459 days (25.90 yr)  
   first obs. used      1993-12-15  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6525  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:56:29  

Additional Information
 Earth MOID = 1.07231 au 
 Jupiter MOID = 2.42811 au 
 T_jup = 3.509 
[ 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 17.5   n/a MPO503287  

295888 (2008 WM68)          Discovered 2008-Nov-18 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 WM68 = 2004 TC220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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