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385740 (2005 WK40)
Classification: Main-belt Asteroid          SPK-ID: 2385740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159106269368214 1.002e-06  
a 2.542958431734293 6.7961e-08 au
q 2.138357802502606 2.603e-06 au
i 10.07905299540259 2.3663e-05 deg
node 252.9433088459446 5.0138e-05 deg
peri 185.6879909951354 0.00040431 deg
M 254.2754907404074 0.00035634 deg
tp 2459635.491224577693
(2022-Feb-24.99122458)
0.0014829 TDB
period 1481.178223901391
4.06
5.9377e-05
1.626e-07
d
yr
n .2430497520087542 9.7433e-09 deg/d
Q 2.947559060965981 7.8774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6352 days (17.39 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .56307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:27  

Additional Information
 Earth MOID = 1.1536 au 
 Jupiter MOID = 2.3162 au 
 T_jup = 3.405 
[ 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 17.3   n/a MPO434398  

385740 (2005 WK40)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 WK40 = 2001 YN102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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