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213737 (2002 WA2)
Classification: Main-belt Asteroid          SPK-ID: 2213737
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006065581207196 6.206e-08  
a 2.599920448882682 2.1761e-08 au
q 2.078359356244651 1.7147e-07 au
i 2.429579655218852 5.7321e-06 deg
node 191.2719060762089 0.00012051 deg
peri 170.8079395239497 0.00012162 deg
M 151.8038208708448 2.201e-05 deg
tp 2458554.817941820735
(2019-Mar-12.31794182)
8.7e-05 TDB
period 1531.223256510129
4.19
1.9224e-05
5.263e-08
d
yr
n .2351061469772148 2.9517e-09 deg/d
Q 3.121481541520713 2.6126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      2000-04-10  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52904  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:38  

Additional Information
 Earth MOID = 1.07413 au 
 Jupiter MOID = 2.33847 au 
 T_jup = 3.385 
[ 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 16.68   n/a MPCxxxxx  

213737 (2002 WA2)          Discovered 2002-Nov-23 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2002 WA2 = 2006 SA53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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