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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457535.5 (2016-May-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871790942852374 5.7119e-08  
q 2.446100931330578 1.8068e-07 au
tp 2456925.350481024232
(2014-Sep-24.85048102)
6.1836e-05 TDB
node 171.7441686006682 0.00022111 deg
peri 192.2611919938607 0.00022154 deg
i .9713574266372651 6.4135e-06 deg
  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
 Jupiter MOID = 1.89768 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.262533201040293E-15 -1.027268908495939E-14 -7.716110825114943E-13 -3.631914627871725E-15 -1.517486137626333E-13 -2.23614437960456E-16
q -1.027268908495939E-14 3.264664648294403E-14 2.12969410950451E-12 1.803251510976112E-14 4.320172079948766E-13 5.903647881058833E-16
tp -7.716110825114943E-13 2.12969410950451E-12 3.823651322903293E-9 7.512633152696765E-12 8.548691815216043E-10 -1.561421820788456E-13
node -3.631914627871725E-15 1.803251510976112E-14 7.512633152696765E-12 4.888782799794126E-8 -4.887950742277209E-8 -2.617010882124508E-10
peri -1.517486137626333E-13 4.320172079948766E-13 8.548691815216043E-10 -4.887950742277209E-8 4.90796071562754E-8 2.616315882796542E-10
i -2.23614437960456E-16 5.903647881058833E-16 -1.561421820788456E-13 -2.617010882124508E-10 2.616315882796542E-10 4.113262078396434E-11

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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