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274799 (2008 WO71)
Classification: Main-belt Asteroid          SPK-ID: 2274799
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07418463152170467 6.2991e-08  
a 2.818465270562214 3.4674e-08 au
q 2.609378463008834 1.7919e-07 au
i 5.756788724976008 6.7611e-06 deg
node 351.0614162917243 5.2855e-05 deg
peri 349.7082786447595 6.5841e-05 deg
M 218.611157788844 4.3811e-05 deg
tp 2459879.281654279865
(2022-Oct-26.78165428)
0.00021585 TDB
period 1728.293348465304
4.73
3.1893e-05
8.732e-08
d
yr
n .2082979722855926 3.8438e-09 deg/d
Q 3.027552078115594 3.7246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6102 days (16.71 yr)  
   first obs. used      2003-07-08  
   last obs. used      2020-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:49:58  

Additional Information
 Earth MOID = 1.59931 au 
 Jupiter MOID = 2.29608 au 
 T_jup = 3.307 
[ 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 16.17   n/a E2021B55  

274799 (2008 WO71)          Discovered 2006-Jan-31 by Spacewatch at Kitt Peak
Reference: 20110418/Numbers.arcLast Updated: 2011-04-22

[ show close-approach data ]
Alternate Designations
 2008 WO71 = 2009 YQ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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