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186542 (2002 WA11)
Classification: Main-belt Asteroid          SPK-ID: 2186542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07123876462542686 5.45e-08  
a 2.459948715754431 1.8361e-08 au
q 2.28470500820218 1.4181e-07 au
i 6.609203008201596 5.7169e-06 deg
node 137.4992283693755 3.4955e-05 deg
peri 344.6884537850545 5.3811e-05 deg
M 196.4506814719436 3.6469e-05 deg
tp 2459840.726645031568
(2022-Sep-18.22664503)
0.00014127 TDB
period 1409.248257869238
3.86
1.5778e-05
4.32e-08
d
yr
n .2554553450676708 2.8601e-09 deg/d
Q 2.635192423306682 1.9669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      6023 days (16.49 yr)  
   first obs. used      2002-10-31  
   last obs. used      2019-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:41  

Additional Information
 Earth MOID = 1.30081 au 
 Jupiter MOID = 2.39784 au 
 T_jup = 3.478 
[ 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 16.1   n/a MPO422727  

186542 (2002 WA11)          Discovered 2002-Nov-25 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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