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243646 (1999 TT147)
Classification: Main-belt Asteroid          SPK-ID: 2243646
[ 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 .1653764895860694 5.8047e-08  
a 2.42563259881192 1.4079e-08 au
q 2.02448999459487 1.4015e-07 au
i 3.63975720950131 4.2135e-06 deg
node 272.6542636383178 9.5124e-05 deg
peri 57.717923526 9.6238e-05 deg
M 201.6984817926712 1.5862e-05 deg
tp 2459607.262227537793
(2022-Jan-27.76222754)		 6.3444e-05 TDB
period 1379.862962700839
3.78		 1.2014e-05
3.289e-08		 d
yr
n .2608954727615583 2.2714e-09 deg/d
Q 2.82677520302897 1.6407e-08 au
   Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7478 days (20.47 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61009  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:55:12  

Additional Information
 Earth MOID = 1.01629 au 
 Jupiter MOID = 2.51866 au 
 T_jup = 3.489 
[ 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 16.7   n/a MPO470598  

243646 (1999 TT147)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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Alternate Designations
 1999 TT147 = 2003 WL93 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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