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243481 (2009 TW14)
Classification: Main-belt Asteroid          SPK-ID: 2243481
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 .1833833668404501 5.5889e-08  
a 3.011333105111414 2.3301e-08 au
q 2.459104701617976 1.7617e-07 au
i .9772978543999203 6.376e-06 deg
node 171.8463376921223 0.00022093 deg
peri 193.5111021448132 0.00022142 deg
M 29.56877885205621 1.2467e-05 deg
tp 2458843.728355813703
(2019-Dec-26.22835581)
6.5877e-05 TDB
period 1908.695390819036
5.23
2.2153e-05
6.065e-08
d
yr
n .1886105041860667 2.1891e-09 deg/d
Q 3.563561508604852 2.7574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7732 days (21.17 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:15  

Additional Information
 Earth MOID = 1.45739 au 
 Jupiter MOID = 1.89768 au 
 T_jup = 3.223 
[ 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 16.5   n/a MPO494333  
diameter diameter 2.794 km 0.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243481 (2009 TW14)          Discovered 2009-Oct-14 by La Sagra at La Sagra
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 TW14 = 1998 QL60 = 2004 YP8 = 2007 HU9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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