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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938525699646267 5.4132e-08  
a 2.437868820109481 1.2107e-08 AU
q 1.965281684094626 1.3112e-07 AU
i 6.36599979111155 6.0561e-06 deg
node 100.4486622962081 4.9033e-05 deg
peri 41.18257795914919 5.1767e-05 deg
M 76.22863287723882 1.419e-05 deg
tp 2456706.105591992825
(2014-Feb-17.60559199)
5.5044e-05 JED
period 1390.317297874935
3.81
1.0357e-05
2.836e-08
d
yr
n .2589336984803764 1.9289e-09 deg/d
Q 2.910455956124336 1.4454e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1222  
   data-arc span      28247 days (77.34 yr)  
   first obs. used      1938-04-05  
   last obs. used      2015-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47682  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:16:50  

Additional Information
 Earth MOID = .984017 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-July); 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., in press.]

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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