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393729 (2004 XC169)
Classification: Main-belt Asteroid          SPK-ID: 2393729
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619102692291751 1.5899e-06  
a 2.539976014810538 1.2823e-07 au
q 2.128727814416916 4.1418e-06 au
i 13.04689925574054 2.6851e-05 deg
node 63.65526494467466 4.1545e-05 deg
peri 11.37560156016761 0.00045826 deg
M 297.0567552815817 0.00041904 deg
tp 2459259.017219649080
(2021-Feb-13.51721965)
0.0017401 TDB
period 1478.573268505749
4.05
0.00011197
3.066e-07
d
yr
n .2434779578855887 1.8438e-08 deg/d
Q 2.95122421520416 1.4899e-07 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4411 days (12.08 yr)  
   first obs. used      2004-11-20  
   last obs. used      2016-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .56656  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:10:39  

Additional Information
 Earth MOID = 1.14484 au 
 Jupiter MOID = 2.35428 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456057.5 (2012-May-10.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1622412935572436 1.6108e-06  
q 2.127989086149283 4.2057e-06 au
tp 2456296.838902295072
(2013-Jan-04.33890230)
0.0015184 TDB
node 63.71051726638591 4.1478e-05 deg
peri 10.69732025459166 0.00045906 deg
i 13.05673635616733 2.6905e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4411 days (12.08 yr)  
   first obs. used      2004-11-20  
   last obs. used      2016-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .56656  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:10:39  

Additional Information
 Jupiter MOID = 2.35428 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.594740824056764E-12 -6.774468017731484E-12 -2.434164527095554E-9 -7.456999630575167E-12 -7.329331719656139E-10 1.277167696829607E-11
q -6.774468017731484E-12 1.768795804387533E-11 6.356665507231741E-9 1.946958614851791E-11 1.913948235173674E-9 -3.334650343620448E-11
tp -2.434164527095554E-9 6.356665507231741E-9 2.30560971156003E-6 7.009842386077888E-9 6.942720623242191E-7 -1.204310885513312E-8
node -7.456999630575167E-12 1.946958614851791E-11 7.009842386077888E-9 1.72046517452715E-9 4.574628228295712E-10 -4.880641258182039E-10
peri -7.329331719656139E-10 1.913948235173674E-9 6.942720623242191E-7 4.574628228295712E-10 2.107398719071757E-7 -3.186644728852854E-9
i 1.277167696829607E-11 -3.334650343620448E-11 -1.204310885513312E-8 -4.880641258182039E-10 -3.186644728852854E-9 7.238755525579424E-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 17.7   n/a MPO248785  

393729 (2004 XC169)          Discovered 2004-Dec-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

Alternate Designations
 2004 XC169 = 2008 UT263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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