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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3946777827669425 4.025e-08  
a 2.654762178982444 1.0506e-08 au
q 1.606986528408116 1.0859e-07 au
i 27.49486143777725 7.5145e-06 deg
node 8.969326273234756 9.1347e-06 deg
peri 94.73953616669253 1.3982e-05 deg
M 250.3878090306621 1.0786e-05 deg
tp 2459081.553321396833
(2020-Aug-20.05332140)
4.9707e-05 TDB
period 1579.92641303287
4.33
9.3784e-06
2.568e-08
d
yr
n .2278587135643451 1.3526e-09 deg/d
Q 3.702537829556773 1.4652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      15743 days (43.10 yr)  
   first obs. used      1976-10-25  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:59:46  

Additional Information
 Earth MOID = .845503 au 
 Jupiter MOID = 2.2075 au 
 T_jup = 3.124 
[ 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 12.8   n/a MPO502469  
rotation period rot_per 3.99 h n/a LCDB (Rev. 2019-January); 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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