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215638 (2003 TW49)
Classification: Main-belt Asteroid          SPK-ID: 2215638
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09096380814460109 4.7288e-08  
a 3.18182060813758 3.6352e-08 au
q 2.892390088788415 1.4614e-07 au
i 12.37765866724853 4.9041e-06 deg
node 114.6988332442801 2.1987e-05 deg
peri 230.3314404792079 3.441e-05 deg
M 354.7359056069777 2.5772e-05 deg
tp 2459030.813293877571
(2020-Jun-30.31329388)
0.00014845 TDB
period 2073.060431893202
5.68
3.5527e-05
9.727e-08
d
yr
n .1736562979359138 2.9761e-09 deg/d
Q 3.471251127486745 3.9659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      9750 days (26.69 yr)  
   first obs. used      1994-01-11  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 22:01:12  

Additional Information
 Earth MOID = 1.90119 au 
 Jupiter MOID = 1.89584 au 
 T_jup = 3.157 
[ 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 14.8   n/a MPO418156  
diameter diameter 5.722 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215638 (2003 TW49)          Discovered 2003-Oct-03 by NEAT at Haleakala
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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