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249786 (2000 WD169)
Classification: Main-belt Asteroid          SPK-ID: 2249786
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2496487786484096 4.6395e-08  
a 3.130717519210785 2.4857e-08 au
q 2.349137714246634 1.4326e-07 au
i 10.52529103316577 5.2639e-06 deg
node 132.2476936870189 2.9181e-05 deg
peri 319.4404810747383 3.1409e-05 deg
M 208.0406222826009 1.3929e-05 deg
tp 2459854.561722124332
(2022-Oct-02.06172212)
8.4653e-05 TDB
period 2023.318498556577
5.54
2.4097e-05
6.597e-08
d
yr
n .1779255219861934 2.1191e-09 deg/d
Q 3.912297324174936 3.1063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:41:02  

Additional Information
 Earth MOID = 1.37704 au 
 Jupiter MOID = 1.35391 au 
 T_jup = 3.139 
[ 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 15.0   n/a MPO437160  

249786 (2000 WD169)          Discovered 2000-Nov-25 by LONEOS at Anderson Mesa
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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