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437198 (2012 WB3)
Classification: Main-belt Asteroid          SPK-ID: 2437198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08802362915828911 1.2295e-07  
a 3.158439265751019 7.8378e-08 au
q 2.880421979103572 3.6867e-07 au
i 10.20573098058738 1.4618e-05 deg
node 54.8056405863437 6.9497e-05 deg
peri 9.074706953228803 0.00010587 deg
M 118.3895687035219 8.1562e-05 deg
tp 2458326.254339802397
(2018-Jul-26.75433980)
0.00046013 TDB
period 2050.251895747605
5.61
7.6317e-05
2.089e-07
d
yr
n .1755881805287781 6.5359e-09 deg/d
Q 3.436456552398465 8.5277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      4968 days (13.60 yr)  
   first obs. used      2006-09-14  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:40:03  

Additional Information
 Earth MOID = 1.89393 au 
 Jupiter MOID = 1.90211 au 
 T_jup = 3.175 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO327126  

437198 (2012 WB3)          Discovered 2006-Sep-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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