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447323 (2005 XT85)
Classification: Main-belt Asteroid          SPK-ID: 2447323
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027416037380387 5.2866e-08  
a 2.298009827156573 1.9514e-08 au
q 2.061908612108734 1.1854e-07 au
i 5.999380364513589 7.0057e-06 deg
node 310.7970573729947 5.7619e-05 deg
peri 117.916499992373 6.8318e-05 deg
M 73.53558656499807 3.5807e-05 deg
tp 2458740.591005313413
(2019-Sep-14.09100531)
0.00012584 TDB
period 1272.407584652465
3.48
1.6208e-05
4.438e-08
d
yr
n .2829282097515375 3.6039e-09 deg/d
Q 2.534111042204413 2.1519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5226 days (14.31 yr)  
   first obs. used      2005-12-02  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:52:16  

Additional Information
 Earth MOID = 1.08428 au 
 Jupiter MOID = 2.68554 au 
 T_jup = 3.579 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457706.5 (2016-Nov-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017170436386188 5.2725e-08  
q 2.064403260866996 1.1802e-07 au
tp 2457467.270386200932
(2016-Mar-19.77038620)
0.0001254 TDB
node 310.8916582790415 5.7598e-05 deg
peri 117.6656088043951 6.8568e-05 deg
i 5.99996334217379 7.0074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5226 days (14.31 yr)  
   first obs. used      2005-12-02  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:52:16  

Additional Information
 Jupiter MOID = 2.68554 au 
 T_jup = 3.579 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.779922411697309E-15 -6.157772727467488E-15 3.937512885022165E-14 -9.345430750003947E-15 -6.22826949569369E-15 -1.949661488276633E-15
q -6.157772727467488E-15 1.392924448379254E-14 7.798419870034072E-14 2.334906426157019E-14 7.494079228516991E-14 4.781218038308679E-15
tp 3.937512885022165E-14 7.798419870034072E-14 1.572427084883025E-8 -3.598113108709236E-11 4.691814971701938E-9 5.359687576856959E-12
node -9.345430750003947E-15 2.334906426157019E-14 -3.598113108709236E-11 3.31754740942946E-9 -3.309287446582124E-9 6.49411214792072E-11
peri -6.22826949569369E-15 7.494079228516991E-14 4.691814971701938E-9 -3.309287446582124E-9 4.701569225018975E-9 -6.303990859131426E-11
i -1.949661488276633E-15 4.781218038308679E-15 5.359687576856959E-12 6.49411214792072E-11 -6.303990859131426E-11 4.910342464265148E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO456119  

447323 (2005 XT85)          Discovered 2005-Dec-02 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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