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190637 (2000 WE155)
Classification: Main-belt Asteroid          SPK-ID: 2190637
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719307993643053 7.3546e-08  
a 2.633801952888555 1.7489e-08 au
q 2.180970277761157 1.9268e-07 au
i 11.96227561104265 6.1465e-06 deg
node 273.6386762900211 3.5685e-05 deg
peri 130.8096321273802 3.9899e-05 deg
M 258.4726078660207 1.7865e-05 deg
tp 2459640.805215732618
(2022-Mar-02.30521573)
7.9308e-05 TDB
period 1561.252331337014
4.27
1.555e-05
4.257e-08
d
yr
n .2305841232542505 2.2967e-09 deg/d
Q 3.086633628015953 2.0496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      2000-11-05  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:30  

Additional Information
 Earth MOID = 1.21099 au 
 Jupiter MOID = 2.33043 au 
 T_jup = 3.347 
[ 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 15.49   n/a E2021B55  
rotation period rot_per 9.35 h n/a LCDB (Rev. 2020-October); 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:
[Galad, A. (2009) Minor Planet Bull. 36, 42-44.]

190637 (2000 WE155)          Discovered 2000-Nov-30 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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