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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4039971263947167 4.281e-08  
a 2.223205603756534 5.3614e-09 au
q 1.325036928454263 9.3712e-08 au
i 22.45209854073394 6.5725e-06 deg
node 240.6260002094077 1.1395e-05 deg
peri 253.26805300 1.3328e-05 deg
M 150.9418970862141 6.236e-06 deg
tp 2458492.837396347707
(2019-Jan-09.33739635)
2.0455e-05 TDB
period 1210.787335013011
3.31
4.3799e-06
1.199e-08
d
yr
n .2973271932978482 1.0755e-09 deg/d
Q 3.121374279058806 7.5275e-09 au
  Orbit Determination Parameters
   # obs. used (total)      997  
   data-arc span      23509 days (64.36 yr)  
   first obs. used      1955-12-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:25:05  

Additional Information
 Earth MOID = .499681 au 
 Jupiter MOID = 2.46473 au 
 T_jup = 3.446 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO473846  
rotation period rot_per 3.1 h n/a LCDB (Rev. 2019-August); 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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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