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47035 (1998 WS)
Classification: Mars-crossing Asteroid          SPK-ID: 2047035
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3948311819029465 4.0186e-08  
a 2.655299696724353 1.051e-08 au
q 1.606904579160141 1.0845e-07 au
i 27.49375708438193 7.5127e-06 deg
node 8.968246980367809 9.0599e-06 deg
peri 94.72033362623637 1.3945e-05 deg
M 341.5577367135144 1.1221e-05 deg
tp 2459081.461857340476
(2020-Aug-19.96185734)
4.9665e-05 TDB
period 1580.406276052331
4.33
9.3828e-06
2.569e-08
d
yr
n .2277895282086817 1.3524e-09 deg/d
Q 3.703694814288564 1.4659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1267  
   data-arc span      15796 days (43.25 yr)  
   first obs. used      1976-10-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:39:44  

Additional Information
 Earth MOID = .8452 au 
 Jupiter MOID = 2.20589 au 
 T_jup = 3.124 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456850.5 (2014-Jul-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3937320540477171 4.0392e-08  
q 1.610879849495717 1.0903e-07 au
tp 2457501.576852560176
(2016-Apr-23.07685256)
4.2392e-05 TDB
node 9.013239401849452 9.054e-06 deg
peri 94.80042614822597 1.3955e-05 deg
i 27.49294029950857 7.5127e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1267  
   data-arc span      15796 days (43.25 yr)  
   first obs. used      1976-10-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:39:44  

Additional Information
 Jupiter MOID = 2.20589 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.631503555940303E-15 -4.397066100643659E-15 -2.013214231916975E-13 6.103631249084267E-15 6.536233252640824E-14 -2.48529621966835E-14
q -4.397066100643659E-15 1.188775228193239E-14 7.352221277407704E-13 -1.953132544605994E-14 -1.325832445752734E-13 6.817896300421751E-14
tp -2.013214231916975E-13 7.352221277407704E-13 1.797047046821934E-9 -2.223024449614435E-11 4.412204198018293E-10 2.203765070394372E-11
node 6.103631249084267E-15 -1.953132544605994E-14 -2.223024449614435E-11 8.197578509626042E-11 -7.654538273464454E-11 -6.45407895414078E-12
peri 6.536233252640824E-14 -1.325832445752734E-13 4.412204198018293E-10 -7.654538273464454E-11 1.947426656912193E-10 9.048037668314835E-12
i -2.48529621966835E-14 6.817896300421751E-14 2.203765070394372E-11 -6.45407895414078E-12 9.048037668314835E-12 5.644016319970226E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8   n/a MPO502469  
rotation period rot_per 3.99 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:
[Skiff, B.A. (2012) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Warner, B.D.; Klinglesmith III, D.A.; Skiff, B.A. (2012) Minor Planet Bull. 39, 216-220.]
SMASSII spectral type spec_B Sr   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)

47035 (1998 WS)          Discovered 1998-Nov-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 WS = 1976 UA21 = 1982 GD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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