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86257 (1999 TK207)
Classification: Inner Main-belt Asteroid          SPK-ID: 2086257
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08390595844934408 4.0737e-08  
a 1.923961376566477 6.5179e-09 au
q 1.762529553246148 7.7963e-08 au
i 18.65631642392642 5.3284e-06 deg
node 281.4837616624892 1.2595e-05 deg
peri 261.478213778743 3.6099e-05 deg
M 97.24535698632629 3.649e-05 deg
tp 2458737.194867281304
(2019-Sep-10.69486728)
9.8464e-05 TDB
period 974.7493424499314
2.67
4.9533e-06
1.356e-08
d
yr
n .3693257172096955 1.8768e-09 deg/d
Q 2.085393199886807 7.0648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1135  
   data-arc span      7604 days (20.82 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:00:00  

Additional Information
 Earth MOID = .856093 au 
 Jupiter MOID = 3.07185 au 
 T_jup = 3.853 
[ 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 15.0   n/a MPO371685  
rotation period rot_per 32.408 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2011) Minor Planet Bull. 38, 82-86.]
[Warner, B.D. (2013). Minor Planet Bull. 40, 26-29.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]

86257 (1999 TK207)          Discovered 1999-Oct-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 TK207 = 2002 TQ221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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