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JPL Small-Body Database Browser
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(2009 WB105)
Classification: Aten [NEO]          SPK-ID: 3479013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2524773351625935 3.0339e-07  
a .8254496966488302 5.4506e-09 au
q .6170423569281623 2.4888e-07 au
i 38.40400529466992 0.00019226 deg
node 242.6025926286736 5.1457e-06 deg
peri 347.5304568477377 0.000121 deg
M 6.695907462829751 0.00019828 deg
tp 2459391.405034030515
(2021-Jun-25.90503403)
0.00015088 TDB
period 273.9266871886484
0.75
2.7132e-06
7.428e-09
d
yr
n 1.314220252487026 1.3017e-08 deg/d
Q 1.033857036369498 6.8268e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.40145519697535E-13 1.819E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      3289 days (9.00 yr)  
   first obs. used      2009-11-25  
   last obs. used      2018-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .30665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:14:34  

Additional Information
 Earth MOID = .0384548 au 
 Jupiter MOID = 3.98024 au 
 T_jup = 6.908 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.5   n/a MPO358129  

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