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123471 (2000 WE149)
Classification: Main-belt Asteroid          SPK-ID: 2123471
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352533085042876 3.9511e-08  
a 2.739548242110704 1.5211e-08 au
q 2.369015278558126 1.0977e-07 au
i 9.938769290203684 4.4109e-06 deg
node 116.4681930574506 2.916e-05 deg
peri 323.6725797390829 3.5471e-05 deg
M 93.05421688869552 1.9458e-05 deg
tp 2458572.394888231959
(2019-Mar-29.89488823)
8.8765e-05 TDB
period 1656.215541750667
4.53
1.3794e-05
3.777e-08
d
yr
n .2173630127993303 1.8104e-09 deg/d
Q 3.110081205663282 1.7269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      8486 days (23.23 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:00:49  

Additional Information
 Earth MOID = 1.39304 au 
 Jupiter MOID = 2.11446 au 
 T_jup = 3.316 
[ 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 15.2   n/a MPO325333  
diameter diameter 2.816 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123471 (2000 WE149)          Discovered 2000-Nov-29 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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