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JPL Small-Body Database Browser
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441863 (2009 WE262)
Classification: Main-belt Asteroid          SPK-ID: 2441863
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952128155648183 8.6915e-08  
a 2.308018776096528 3.6709e-08 au
q 1.857463932438259 2.1045e-07 au
i 6.400747991382947 9.6271e-06 deg
node 272.5394358892861 8.5393e-05 deg
peri 191.6258672146423 9.0186e-05 deg
M 339.9172083780909 3.7572e-05 deg
tp 2459071.946180179717
(2020-Aug-10.44618018)
0.00013495 TDB
period 1280.72955936258
3.51
3.0555e-05
8.366e-08
d
yr
n .2810897877450195 6.7062e-09 deg/d
Q 2.758573619754797 4.3876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      3604 days (9.87 yr)  
   first obs. used      2009-11-18  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:20  

Additional Information
 Earth MOID = .874828 au 
 Jupiter MOID = 2.39544 au 
 T_jup = 3.553 
[ 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 17.5   n/a MPO495190  

441863 (2009 WE262)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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