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201766 (2003 WE45)
Classification: Main-belt Asteroid          SPK-ID: 2201766
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07295049872680019 7.2868e-08  
a 3.017033895693972 3.4097e-08 au
q 2.796939768327436 2.2764e-07 au
i 11.90169497963633 6.9418e-06 deg
node 47.05109223876464 3.0144e-05 deg
peri 344.9810365163032 5.2929e-05 deg
M 81.65368692446589 4.3139e-05 deg
tp 2458566.347796582827
(2019-Mar-23.84779658)
0.00022766 TDB
period 1914.118016186623
5.24
3.2449e-05
8.884e-08
d
yr
n .1880761776210672 3.1883e-09 deg/d
Q 3.237128023060508 3.6584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      7239 days (19.82 yr)  
   first obs. used      2000-03-09  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:54:57  

Additional Information
 Earth MOID = 1.80546 au 
 Jupiter MOID = 2.17153 au 
 T_jup = 3.211 
[ 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 15.3   n/a MPO454429  

201766 (2003 WE45)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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