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295862 (2008 WB1)
Classification: Main-belt Asteroid          SPK-ID: 2295862
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127768630996534 4.7696e-08  
a 2.27882298311829 1.718e-08 au
q 2.021824475522815 1.1085e-07 au
i 7.745606063182074 7.1497e-06 deg
node 55.58386842128721 5.6331e-05 deg
peri 237.9916582862315 7.0109e-05 deg
M 240.4421242365869 4.3283e-05 deg
tp 2459417.791945949015
(2021-Jul-22.29194595)
0.00015244 TDB
period 1256.505266444497
3.44
1.4209e-05
3.89e-08
d
yr
n .2865089463720939 3.24e-09 deg/d
Q 2.535821490713765 1.9118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:44:56  

Additional Information
 Earth MOID = 1.01805 au 
 Jupiter MOID = 2.61282 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457428.5 (2016-Feb-10.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133928506206322 4.7685e-08  
q 2.020074440259792 1.1084e-07 au
tp 2456904.057469284543
(2014-Sep-03.55746928)
0.00014547 TDB
node 55.61398182119317 5.6356e-05 deg
peri 237.8121679533849 7.002e-05 deg
i 7.744754186611352 7.1492e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:44:56  

Additional Information
 Jupiter MOID = 2.61282 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.273862271212944E-15 -5.23599414311095E-15 1.936426675909602E-12 5.520139802015421E-15 6.025341033524549E-13 2.366067855817835E-15
q -5.23599414311095E-15 1.228622076997578E-14 -4.136071700969904E-12 -1.406693453095415E-14 -1.273835692284973E-12 -4.298566309386439E-15
tp 1.936426675909602E-12 -4.136071700969904E-12 2.116141749977059E-8 -3.963335704780951E-11 6.10702577147269E-9 2.227781689325042E-11
node 5.520139802015421E-15 -1.406693453095415E-14 -3.963335704780951E-11 3.175995248326705E-9 -3.158300778087739E-9 -2.270569247212897E-10
peri 6.025341033524549E-13 -1.273835692284973E-12 6.10702577147269E-9 -3.158300778087739E-9 4.902855284539242E-9 2.315883535799471E-10
i 2.366067855817835E-15 -4.298566309386439E-15 2.227781689325042E-11 -2.270569247212897E-10 2.315883535799471E-10 5.111169199222244E-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 17.1   n/a MPO471119  

295862 (2008 WB1)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 WB1 = 2001 WN67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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