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123504 (2000 WE181)
Classification: Main-belt Asteroid          SPK-ID: 2123504
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203759312365728 5.897e-08  
a 2.88964453964962 2.5327e-08 au
q 2.54180088724662 1.645e-07 au
i 11.34895529388602 5.1972e-06 deg
node 231.2978510660092 2.5892e-05 deg
peri 312.3287822490197 3.1695e-05 deg
M 242.5063621350432 2.1265e-05 deg
tp 2459586.067427538003
(2022-Jan-06.56742754)
0.00011089 TDB
period 1794.176074077921
4.91
2.3589e-05
6.458e-08
d
yr
n .2006492033871394 2.638e-09 deg/d
Q 3.237488192052621 2.8376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      21584 days (59.09 yr)  
   first obs. used      1960-10-22  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55709  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:26:55  

Additional Information
 Earth MOID = 1.55748 au 
 Jupiter MOID = 1.80588 au 
 T_jup = 3.251 
[ 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 15.0   n/a MPO453707  

123504 (2000 WE181)          Discovered 2000-Nov-29 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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