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243147 (2007 TX18)
Classification: Amor [NEO]          SPK-ID: 2243147
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 134 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4151169308175384 6.9102e-08  
a 2.137881993265372 2.6585e-08 au
q 1.250410981770969 1.6106e-07 au
i 7.354839365453397 4.7634e-06 deg
node 284.1359133267675 3.3347e-05 deg
peri 15.99103039211861 3.4085e-05 deg
M 67.28733097748766 1.6636e-05 deg
tp 2458787.094886255034
(2019-Oct-30.59488625)
4.8909e-05 TDB
period 1141.757888626783
3.13
2.1297e-05
5.831e-08
d
yr
n .3153032736502305 5.8812e-09 deg/d
Q 3.025353004759774 3.762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1991-04-13  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-03 06:45:45  

Additional Information
 Earth MOID = .237273 au 
 Jupiter MOID = 2.22999 au 
 T_jup = 3.591 
[ 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 17.2   n/a MPO433593  
diameter diameter 0.912 km 0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 13.538 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.280   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

243147 (2007 TX18)          Discovered 2007-Oct-09 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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