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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835431423556256 5.5872e-08  
a 3.012166633361855 2.3333e-08 au
q 2.459304104175855 1.7618e-07 au
i .977258681912502 6.376e-06 deg
node 171.8374846402371 0.00022091 deg
peri 193.5757867352313 0.0002214 deg
M 67.2222205523763 1.2527e-05 deg
tp 2458843.944392735400
(2019-Dec-26.44439274)
6.5864e-05 TDB
period 1909.487927659935
5.23
2.2187e-05
6.074e-08
d
yr
n .188532221013399 2.1907e-09 deg/d
Q 3.565029162547855 2.7616e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:43:48  

Additional Information
 Earth MOID = 1.45604 au 
 Jupiter MOID = 1.89728 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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