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249054 (2007 TB142)
Classification: Main-belt Asteroid          SPK-ID: 2249054
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458063622889621 9.3661e-08  
a 2.618890254774012 3.8214e-08 au
q 2.2370393934914 2.6721e-07 au
i 3.18449344541711 5.6493e-06 deg
node 79.30505966777612 0.00014791 deg
peri 278.8206235063629 0.00014953 deg
M 20.10090451719691 2.7511e-05 deg
tp 2458914.065429937994
(2020-Mar-05.56542994)
0.00011703 TDB
period 1548.012189983837
4.24
3.3882e-05
9.276e-08
d
yr
n .2325563082314997 5.09e-09 deg/d
Q 3.000741116056624 4.3785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      5664 days (15.51 yr)  
   first obs. used      2003-12-29  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:26  

Additional Information
 Earth MOID = 1.23592 au 
 Jupiter MOID = 2.44557 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456858.5 (2014-Jul-20.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482703727729208 9.3694e-08  
q 2.229993296398646 2.6792e-07 au
tp 2457365.668033758219
(2015-Dec-09.16803376)
9.5312e-05 TDB
node 79.32845423344806 0.00014805 deg
peri 278.875704620424 0.00014959 deg
i 3.184804999176523 5.6436e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      5664 days (15.51 yr)  
   first obs. used      2003-12-29  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:26  

Additional Information
 Jupiter MOID = 2.44557 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.778552494560473E-15 -2.499111507607355E-14 -4.407822102390567E-12 1.510698929721124E-13 -8.751025876386904E-13 -9.003517296048467E-15
q -2.499111507607355E-14 7.178088468795902E-14 1.297528738929989E-11 -4.251999885650589E-13 2.534722252539273E-12 2.657983942144627E-14
tp -4.407822102390567E-12 1.297528738929989E-11 9.084412219737568E-9 -9.125268012929335E-11 2.127751908759116E-9 7.844532188291012E-12
node 1.510698929721124E-13 -4.251999885650589E-13 -9.125268012929335E-11 2.191883524109458E-8 -2.190135765400081E-8 1.511180893790819E-10
peri -8.751025876386904E-13 2.534722252539273E-12 2.127751908759116E-9 -2.190135765400081E-8 2.237757361526186E-8 -1.493955160025524E-10
i -9.003517296048467E-15 2.657983942144627E-14 7.844532188291012E-12 1.511180893790819E-10 -1.493955160025524E-10 3.185034178137177E-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 16.9   n/a MPO440259  
diameter diameter 2.520 km 0.521 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249054 (2007 TB142)          Discovered 2007-Oct-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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