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295918 (2008 WQ128)
Classification: Main-belt Asteroid          SPK-ID: 2295918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271190629647878 6.3077e-08  
a 3.150754856762968 3.5296e-08 au
q 2.750233851739505 2.103e-07 au
i 5.634326753466505 7.5889e-06 deg
node 39.12814459948755 5.8456e-05 deg
peri 42.1642038106102 6.833e-05 deg
M 14.65370542524854 3.0536e-05 deg
tp 2458917.349415845961
(2020-Mar-08.84941585)
0.00017325 TDB
period 2042.774126186325
5.59
3.4326e-05
9.398e-08
d
yr
n .1762309378140047 2.9613e-09 deg/d
Q 3.551275861786431 3.9783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      7618 days (20.86 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:20  

Additional Information
 Earth MOID = 1.76916 au 
 Jupiter MOID = 1.71524 au 
 T_jup = 3.188 
[ 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 16.2   n/a MPO455188  

295918 (2008 WQ128)          Discovered 2008-Nov-19 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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