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243365 (2008 WA71)
Classification: Main-belt Asteroid          SPK-ID: 2243365
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272072246216043 3.7095e-08  
a 2.306134291276599 1.2819e-08 au
q 2.012777348478593 8.0741e-08 au
i 2.025490544351318 4.334e-06 deg
node 244.1011833288474 0.0001733 deg
peri 202.0933714543344 0.00017525 deg
M 97.91523118089532 2.661e-05 deg
tp 2458652.585066610918
(2019-Jun-18.08506661)
9.3833e-05 TDB
period 1279.161316472563
3.50
1.0665e-05
2.92e-08
d
yr
n .2814344018725818 2.3465e-09 deg/d
Q 2.599491234074606 1.4449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      8248 days (22.58 yr)  
   first obs. used      1997-09-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:07  

Additional Information
 Earth MOID = 1.0292 au 
 Jupiter MOID = 2.58307 au 
 T_jup = 3.576 
[ 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 17.5   n/a MPO413138  

243365 (2008 WA71)          Discovered 2008-Nov-18 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 WA71 = 2001 XC157 = 2004 SW1 = 2006 EY59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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