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305217 (2007 WK58)
Classification: Main-belt Asteroid          SPK-ID: 2305217
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 .2120695797728716 3.8979e-08  
a 2.555881910913142 1.9812e-08 au
q 2.013857108116708 1.025e-07 au
i 6.124701881674807 4.167e-06 deg
node 130.7675122386017 0.00010358 deg
peri 9.770718064278231 0.00010917 deg
M 332.8250408855583 3.7022e-05 deg
tp 2459113.161622616078
(2020-Sep-20.66162262)
0.00015427 TDB
period 1492.483722642814
4.09
1.7354e-05
4.751e-08
d
yr
n .2412086607970038 2.8046e-09 deg/d
Q 3.097906713709576 2.4014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      10155 days (27.80 yr)  
   first obs. used      1992-02-05  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:13:31  

Additional Information
 Earth MOID = 1.02736 au 
 Jupiter MOID = 1.93016 au 
 T_jup = 3.398 
[ 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 17.1   n/a MPO455249  

305217 (2007 WK58)          Discovered 2007-Nov-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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