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246333 (2007 TK238)
Classification: Main-belt Asteroid          SPK-ID: 2246333
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07801000513410812 4.3105e-08  
a 2.769474185485759 2.1173e-08 au
q 2.553427490057235 1.2764e-07 au
i 5.831663794271405 4.3257e-06 deg
node 52.76017613445967 4.5708e-05 deg
peri 13.45663938218134 5.662e-05 deg
M 330.3766207478248 3.6518e-05 deg
tp 2459535.024473076454
(2021-Nov-16.52447308)
0.0001716 TDB
period 1683.427467305636
4.61
1.9305e-05
5.285e-08
d
yr
n .2138494274280723 2.4523e-09 deg/d
Q 2.985520880914283 2.2824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      2002-10-01  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:55:07  

Additional Information
 Earth MOID = 1.56698 au 
 Jupiter MOID = 2.25303 au 
 T_jup = 3.326 
[ 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 16.05   n/a E2021B55  
rotation period rot_per 1.93 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

246333 (2007 TK238)          Discovered 2007-Oct-10 by Charleston at Charleston
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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