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5724 (1986 WE)
Classification: Main-belt Asteroid          SPK-ID: 2005724
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937314610066318 5.4023e-08  
a 2.438463046068262 1.2015e-08 au
q 1.966056037542776 1.3081e-07 au
i 6.365185999985611 6.0157e-06 deg
node 100.447469444565 4.8404e-05 deg
peri 41.25848958210666 5.1035e-05 deg
M 179.6945224409804 1.39e-05 deg
tp 2456706.267353556960
(2014-Feb-17.76735356)
5.4067e-05 JED
period 1390.825659705796
3.81
1.028e-05
2.815e-08
d
yr
n .2588390554112666 1.9131e-09 deg/d
Q 2.910870054593748 1.4343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1226  
   data-arc span      28334 days (77.57 yr)  
   first obs. used      1938-04-05  
   last obs. used      2015-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4798  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 15:51:03  

Additional Information
 Earth MOID = .984492 au 
 Jupiter MOID = 2.13302 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO302099  
rotation period rot_per 9.826 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

5724 (1986 WE)          Discovered 1986-Nov-22 by Suzuki and Urata at Toyota
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 WE = 1938 GD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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