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5732 (1988 WC)
Classification: Mars-crossing Asteroid          SPK-ID: 2005732
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4039196450365429 6.3601e-08  
a 2.221883610620991 1.0636e-08 au
q 1.324421171306448 1.4085e-07 au
i 22.4763389403421 9.4883e-06 deg
node 240.6917448381791 1.9467e-05 deg
peri 253.1436978442252 2.2931e-05 deg
M 94.61880483205904 1.7519e-05 deg
tp 2457282.552552860997
(2015-Sep-17.05255286)
5.6914e-05 JED
period 1209.707533013131
3.31
8.6859e-06
2.378e-08
d
yr
n .2975925917426624 2.1368e-09 deg/d
Q 3.119346049935534 1.4932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      21970 days (60.15 yr)  
   first obs. used      1955-12-15  
   last obs. used      2016-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6602  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:14:42  

Additional Information
 Earth MOID = .497651 au 
 Jupiter MOID = 2.47214 au 
 T_jup = 3.447 
[ 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 14.5 mag n/a MPO231446  
rotation period rot_per 3.1 h n/a LCDB (Rev. 2016-February); 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:
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5732 (1988 WC)          Discovered 1988-Nov-29 by Arai and Mori at Yorii
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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