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469832 (2005 SD239)
Classification: Main-belt Asteroid          SPK-ID: 2469832
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 .1886101194557136 8.8732e-08  
a 2.421175516054787 1.4615e-08 au
q 1.964517312748444 2.1902e-07 au
i 2.145051387858949 9.2839e-06 deg
node 152.9699329268741 0.00014634 deg
peri 224.1421750507149 0.00015311 deg
M 316.2204479434644 3.354e-05 deg
tp 2459167.842653041524
(2020-Nov-14.34265304)
0.0001283 TDB
period 1376.061477676891
3.77
1.246e-05
3.411e-08
d
yr
n .2616162183449557 2.3688e-09 deg/d
Q 2.877833719361129 1.7372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2005-09-24  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:10:58  

Additional Information
 Earth MOID = .966743 au 
 Jupiter MOID = 2.58383 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458242.5 (2018-May-04.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190066267431624 8.8217e-08  
q 1.959898189224243 2.1795e-07 au
tp 2457792.488696462554
(2017-Feb-07.98869646)
0.0001256 TDB
node 153.0482215796141 0.0001465 deg
peri 224.1570826716531 0.00015311 deg
i 2.144494065278801 9.2838e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2005-09-24  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:10:58  

Additional Information
 Jupiter MOID = 2.58383 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.782321238722523E-15 -1.920198961515531E-14 -6.075028769158687E-12 8.946245454856581E-14 -2.129858318276255E-12 -1.214541951142488E-14
q -1.920198961515531E-14 4.750263074078996E-14 1.466255700066368E-11 -2.196971216325872E-13 5.152143858117667E-12 3.038969914067441E-14
tp -6.075028769158687E-12 1.466255700066368E-11 1.577562978607256E-8 -1.066062874027196E-10 5.606686593779327E-9 8.331282868207837E-12
node 8.946245454856581E-14 -2.196971216325872E-13 -1.066062874027196E-10 2.14615100818308E-8 -2.148113999316836E-8 3.446083814951845E-10
peri -2.129858318276255E-12 5.152143858117667E-12 5.606686593779327E-9 -2.148113999316836E-8 2.344349442266152E-8 -3.416172146760091E-10
i -1.214541951142488E-14 3.038969914067441E-14 8.331282868207837E-12 3.446083814951845E-10 -3.416172146760091E-10 8.618822445136344E-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 18.3   n/a MPO281865  

469832 (2005 SD239)          Discovered 2005-Sep-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 SD239 = 2009 VD22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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