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357303 (2002 WE27)
Classification: Main-belt Asteroid          SPK-ID: 2357303
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467034019554527 7.4853e-08  
a 2.724526085083397 2.1445e-08 au
q 2.324828839685292 2.0644e-07 au
i 2.92732553960237 8.5145e-06 deg
node 254.0445311670584 0.00013267 deg
peri 143.0602028340235 0.00013549 deg
M 339.8485885913291 2.3391e-05 deg
tp 2459092.447060815989
(2020-Aug-30.94706082)
0.00010676 TDB
period 1642.611587966143
4.50
1.9393e-05
5.31e-08
d
yr
n .2191631927093285 2.5875e-09 deg/d
Q 3.124223330481503 2.4591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      6589 days (18.04 yr)  
   first obs. used      2002-10-31  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:00:49  

Additional Information
 Earth MOID = 1.33297 au 
 Jupiter MOID = 2.29162 au 
 T_jup = 3.340 
[ 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 17.1   n/a MPO446591  

357303 (2002 WE27)          Discovered 2002-Nov-16 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2002 WE27 = 2008 AL61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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