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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07811967530340071 5.6642e-08  
a 2.772561115564595 2.5305e-08 au
q 2.555969541457855 1.5619e-07 au
i 5.831223356129252 6.4164e-06 deg
node 52.81040155388327 4.6253e-05 deg
peri 12.57247783533722 5.6937e-05 deg
M 246.5870595038962 3.5805e-05 deg
tp 2459531.727108444746
(2021-Nov-13.22710844)
0.00017117 TDB
period 1686.242841456689
4.62
2.3085e-05
6.32e-08
d
yr
n .2134923814941198 2.9228e-09 deg/d
Q 2.989152689671336 2.7282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      6094 days (16.68 yr)  
   first obs. used      2002-10-01  
   last obs. used      2019-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:52:29  

Additional Information
 Earth MOID = 1.56965 au 
 Jupiter MOID = 2.25322 au 
 T_jup = 3.325 
[ 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 15.9   n/a MPO437147  
rotation period rot_per 1.93 h n/a LCDB (Rev. 2019-August); 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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