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447827 (2007 TW334)
Classification: Main-belt Asteroid          SPK-ID: 2447827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04646673627694763 9.6039e-08  
a 2.654710362544153 4.2e-08 au
q 2.531354636236133 2.4015e-07 au
i 21.19161399239128 1.0784e-05 deg
node 225.3599320167626 1.8953e-05 deg
peri 224.5424135195272 8.9611e-05 deg
M 287.8815213246332 9.0334e-05 deg
tp 2459316.995981710219
(2021-Apr-12.49598171)
0.00039779 TDB
period 1579.880157047686
4.33
3.7493e-05
1.027e-07
d
yr
n .2278653848483863 5.4075e-09 deg/d
Q 2.778066088852171 4.3951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4248 days (11.63 yr)  
   first obs. used      2007-10-11  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:35  

Additional Information
 Earth MOID = 1.5657 au 
 Jupiter MOID = 2.41174 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456920.5 (2014-Sep-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04583054040266007 9.6573e-08  
q 2.533835640332149 2.4169e-07 au
tp 2456145.046177778420
(2012-Aug-05.54617778)
0.0003908 TDB
node 225.4056242444325 1.8938e-05 deg
peri 222.1441734777632 8.9778e-05 deg
i 21.19695638676541 1.0785e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4248 days (11.63 yr)  
   first obs. used      2007-10-11  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:35  

Additional Information
 Jupiter MOID = 2.41174 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.326335010697263E-15 -2.307558426823458E-14 -1.393769105866135E-11 -4.85544921999983E-14 -2.876554560247422E-12 -4.262467380239321E-14
q -2.307558426823458E-14 5.841435351447605E-14 3.743837327917323E-11 1.22631588518729E-13 7.893622481782016E-12 1.130367974203918E-13
tp -1.393769105866135E-11 3.743837327917323E-11 1.52726359729376E-7 3.14409427773958E-10 3.429452804771626E-8 1.696598960529912E-10
node -4.85544921999983E-14 1.22631588518729E-13 3.14409427773958E-10 3.58645928993631E-10 -2.631760824633912E-10 3.940452216467581E-11
peri -2.876554560247422E-12 7.893622481782016E-12 3.429452804771626E-8 -2.631760824633912E-10 8.060039561923804E-9 9.251557071135737E-13
i -4.262467380239321E-14 1.130367974203918E-13 1.696598960529912E-10 3.940452216467581E-11 9.251557071135737E-13 1.163219894944311E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO456122  

447827 (2007 TW334)          Discovered 2007-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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