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295896 (2008 WO81)
Classification: Main-belt Asteroid          SPK-ID: 2295896
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260930484423047 4.4332e-08  
a 2.294165895293046 1.4266e-08 au
q 2.004887523923177 9.6915e-08 au
i 3.185559835340801 6.0137e-06 deg
node 169.5082507385727 8.0181e-05 deg
peri 284.3547654046149 8.4103e-05 deg
M 206.7922197734905 2.8372e-05 deg
tp 2459936.649496209673
(2022-Dec-23.14949621)
0.00010281 TDB
period 1269.216343634721
3.47
1.1839e-05
3.241e-08
d
yr
n .2836395873764508 2.6457e-09 deg/d
Q 2.583444266662916 1.6065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7199 days (19.71 yr)  
   first obs. used      2001-11-17  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:44:18  

Additional Information
 Earth MOID = 1.02453 au 
 Jupiter MOID = 2.56983 au 
 T_jup = 3.583 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457700.5 (2016-Nov-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263157472970778 4.4521e-08  
q 2.004322550137587 9.7441e-08 au
tp 2457400.455899247174
(2016-Jan-12.95589925)
9.1431e-05 TDB
node 169.5407041808215 8.0187e-05 deg
peri 284.7051079013983 8.4074e-05 deg
i 3.185180005023555 6.0143e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7199 days (19.71 yr)  
   first obs. used      2001-11-17  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:44:18  

Additional Information
 Jupiter MOID = 2.56983 au 
 T_jup = 3.583 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.982146891780748E-15 -4.309252725910117E-15 1.114696706067582E-12 1.740084100599271E-14 3.223917993511145E-13 -2.020014432631921E-16
q -4.309252725910117E-15 9.494688496202107E-15 -2.159899113927574E-12 -3.742770037195344E-14 -6.237574618480603E-13 6.887949974080667E-16
tp 1.114696706067582E-12 -2.159899113927574E-12 8.359562202728351E-9 4.711194822155037E-11 2.325421049276105E-9 1.800995926074543E-12
node 1.740084100599271E-14 -3.742770037195344E-14 4.711194822155037E-11 6.429880709234039E-9 -6.405653656343791E-9 -1.218102347996325E-12
peri 3.223917993511145E-13 -6.237574618480603E-13 2.325421049276105E-9 -6.405653656343791E-9 7.068436248017372E-9 1.755705526798061E-12
i -2.020014432631921E-16 6.887949974080667E-16 1.800995926074543E-12 -1.218102347996325E-12 1.755705526798061E-12 3.61712057578629E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.66   n/a MPO638599  

295896 (2008 WO81)          Discovered 2008-Nov-20 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 WO81 = 2004 RU116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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