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243146 (2007 TJ18)
Classification: Main-belt Asteroid          SPK-ID: 2243146
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1996306489495463 4.6772e-08  
a 2.369511615343509 1.6804e-08 au
q 1.896484473878996 1.0929e-07 au
i 3.44036892234099 4.8302e-06 deg
node 118.3855703628979 7.7942e-05 deg
peri 192.4484924379552 7.8949e-05 deg
M 219.3930858769581 1.4442e-05 deg
tp 2459520.844377215894
(2021-Nov-02.34437722)		 5.7425e-05 TDB
period 1332.252947631004
3.65		 1.4172e-05
3.88e-08		 d
yr
n .2702189555220334 2.8745e-09 deg/d
Q 2.842538756808021 2.0159e-08 au
   Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7649 days (20.94 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:45:44  

Additional Information
 Earth MOID = .882244 au 
 Jupiter MOID = 2.42656 au 
 T_jup = 3.516 
[ 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 16.6   n/a MPO454783  

243146 (2007 TJ18)          Discovered 2007-Oct-07 by Clingan, R. at Nashville
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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