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447304 (2005 WJ140)
Classification: Main-belt Asteroid          SPK-ID: 2447304
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 .1020408491772712 1.0851e-07  
a 3.148822730901424 6.5764e-08 au
q 2.827514185531549 3.6926e-07 au
i 18.16710625487412 1.0456e-05 deg
node 92.74430421383524 2.6774e-05 deg
peri 333.0555243992163 6.6513e-05 deg
M 241.0617977151036 7.1623e-05 deg
tp 2459674.778968696751
(2022-Apr-05.27896870)
0.00042305 TDB
period 2040.895389938605
5.59
6.3937e-05
1.75e-07
d
yr
n .17639316634001 5.526e-09 deg/d
Q 3.470131276271299 7.2475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      5020 days (13.74 yr)  
   first obs. used      2005-10-29  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:01  

Additional Information
 Earth MOID = 1.85293 au 
 Jupiter MOID = 1.80846 au 
 T_jup = 3.123 
[ 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 15.5   n/a MPO477128  

447304 (2005 WJ140)          Discovered 2005-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

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