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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833833557226578 5.5892e-08  
a 3.011333107012285 2.3308e-08 au
q 2.459104736649635 1.7617e-07 au
i .9773033956107802 6.377e-06 deg
node 171.8464639455661 0.00022106 deg
peri 193.5109553444811 0.00022155 deg
M 29.56879343424124 1.2469e-05 deg
tp 2458843.728278351514
(2019-Dec-26.22827835)		 6.5888e-05 TDB
period 1908.6953926263
5.23		 2.216e-05
6.067e-08		 d
yr
n .1886105040074793 2.1898e-09 deg/d
Q 3.563561477374935 2.7582e-08 au
   Orbit Determination Parameters
   # obs. used (total)      300  
   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      .59493  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:15:22  

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

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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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