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344357 (2001 WP90)
Classification: Main-belt Asteroid          SPK-ID: 2344357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533052536517378 5.2498e-08  
a 3.090046916827319 2.7381e-08 au
q 2.616326490447337 1.5941e-07 au
i 7.132831621206202 7.0587e-06 deg
node 6.230408213606884 4.1514e-05 deg
peri 68.61270513357606 4.9737e-05 deg
M 138.3059403928239 2.4945e-05 deg
tp 2458238.272926786264
(2018-Apr-29.77292679)
0.00013433 TDB
period 1984.019960224229
5.43
2.6371e-05
7.22e-08
d
yr
n .181449787410059 2.4117e-09 deg/d
Q 3.563767343207302 3.1579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6771 days (18.54 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:25:19  

Additional Information
 Earth MOID = 1.64165 au 
 Jupiter MOID = 1.77998 au 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO251948  
rotation period rot_per 3.032 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]

344357 (2001 WP90)          Discovered 2001-Nov-21 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2001 WP90 = 2006 ST147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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