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447145 (2005 EX276)
Classification: Main-belt Asteroid          SPK-ID: 2447145
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09226582615254215 2.8219e-07  
a 2.617653474149602 4.6827e-08 au
q 2.376133513776116 7.0749e-07 au
i 9.723654839461156 1.5222e-05 deg
node 187.9815786798309 5.6697e-05 deg
peri 35.88467042803068 7.6587e-05 deg
M 186.3197541008954 4.6647e-05 deg
tp 2459746.801960313829
(2022-Jun-16.30196031)
0.00020137 TDB
period 1546.915737723305
4.24
4.1509e-05
1.136e-07
d
yr
n .2327211439000776 6.2447e-09 deg/d
Q 2.859173434523087 5.1148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      5309 days (14.54 yr)  
   first obs. used      2005-03-08  
   last obs. used      2019-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:54:07  

Additional Information
 Earth MOID = 1.37601 au 
 Jupiter MOID = 2.1182 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457179.5 (2015-Jun-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09210474122843899 2.8155e-07  
q 2.37697144804596 7.0537e-07 au
tp 2456655.526315003455
(2013-Dec-29.02631500)
0.00021698 TDB
node 188.0073601005181 5.6647e-05 deg
peri 36.49719921423739 7.7698e-05 deg
i 9.72715496681101 1.5228e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      5309 days (14.54 yr)  
   first obs. used      2005-03-08  
   last obs. used      2019-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:54:07  

Additional Information
 Jupiter MOID = 2.1182 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.926795960037094E-14 -1.984340049417443E-13 -3.102894319231724E-11 -3.951370304606695E-13 -8.622524658961407E-12 -4.294747691184593E-13
q -1.984340049417443E-13 4.975515808955454E-13 7.80178147382394E-11 9.916883188405135E-13 2.171233445814136E-11 1.083251440900133E-12
tp -3.102894319231724E-11 7.80178147382394E-11 4.707983211618113E-8 1.784196946562265E-10 1.158793258247831E-8 1.499980887217039E-10
node -3.951370304606695E-13 9.916883188405135E-13 1.784196946562265E-10 3.208888405541313E-9 -3.111508531331306E-9 4.105991325716624E-10
peri -8.622524658961407E-12 2.171233445814136E-11 1.158793258247831E-8 -3.111508531331306E-9 6.037020607768776E-9 -3.599868798802347E-10
i -4.294747691184593E-13 1.083251440900133E-12 1.499980887217039E-10 4.105991325716624E-10 -3.599868798802347E-10 2.31884034850786E-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 17.5   n/a MPO450458  

447145 (2005 EX276)          Discovered 2005-Mar-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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