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266981 (2010 WO38)
Classification: Main-belt Asteroid          SPK-ID: 2266981
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187405779171428 6.8609e-08  
a 2.194372375044718 1.6719e-08 au
q 1.933811331066495 1.536e-07 au
i 3.63410322022293 4.9089e-06 deg
node 103.7827258220792 0.00011264 deg
peri 228.3645411635356 0.00011457 deg
M 52.29816590294072 2.0646e-05 deg
tp 2458828.016373202811
(2019-Dec-10.51637320)
6.781e-05 TDB
period 1187.309431887676
3.25
1.3569e-05
3.715e-08
d
yr
n .3032065528424586 3.4652e-09 deg/d
Q 2.454933419022941 1.8704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      7955 days (21.78 yr)  
   first obs. used      1996-04-13  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59531  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 08:45:14  

Additional Information
 Earth MOID = .925251 au 
 Jupiter MOID = 2.84281 au 
 T_jup = 3.658 
[ 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 MPO437228  

266981 (2010 WO38)          Discovered 2003-Jul-25 by NEAT at Palomar
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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