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JPL Small-Body Database Browser
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295895 (2008 WT78)
Classification: Main-belt Asteroid          SPK-ID: 2295895
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777689620621833 4.4306e-08  
a 2.421156687598523 1.8553e-08 au
q 1.99075017625422 1.0278e-07 au
i 4.380299322150314 5.342e-06 deg
node 120.247467241504 0.00011801 deg
peri 158.3204193342156 0.00012179 deg
M 154.1119413475204 3.17e-05 deg
tp 2458411.430466654425
(2018-Oct-19.93046665)
0.00011847 TDB
period 1376.045426137377
3.77
1.5816e-05
4.33e-08
d
yr
n .2616192700923666 3.0071e-09 deg/d
Q 2.851563198942826 2.1851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6038  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:56:29  

Additional Information
 Earth MOID = .975086 au 
 Jupiter MOID = 2.28146 au 
 T_jup = 3.488 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO450205  

295895 (2008 WT78)          Discovered 2008-Nov-20 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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