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243650 (1999 TL240)
Classification: Main-belt Asteroid          SPK-ID: 2243650
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1926791422077578 8.1941e-08  
a 3.147696517129992 5.0287e-08 au
q 2.541201052279038 2.5119e-07 au
i 17.9961237207867 9.3839e-06 deg
node 46.73534679300585 2.4826e-05 deg
peri 2.907239327878642 3.455e-05 deg
M 241.9996189300735 2.92e-05 deg
tp 2459669.103454575718
(2022-Mar-30.60345458)
0.00017791 TDB
period 2039.800562208544
5.58
4.8881e-05
1.338e-07
d
yr
n .1764878423262217 4.2293e-09 deg/d
Q 3.754191981980946 5.9976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      7188 days (19.68 yr)  
   first obs. used      1999-10-04  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:23:18  

Additional Information
 Earth MOID = 1.55164 au 
 Jupiter MOID = 1.65907 au 
 T_jup = 3.105 
[ 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 15.1   n/a MPO475967  
diameter diameter 3.389 km 0.575 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243650 (1999 TL240)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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