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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1886100044489999 1.3904e-07  
a 2.421175549553411 7.4606e-08 au
q 1.964517618380332 3.8636e-07 au
i 2.145059687724573 1.3259e-05 deg
node 152.9696904685529 0.00032179 deg
peri 224.1424991430815 0.00035842 deg
M 316.2203683958848 0.00016281 deg
tp 2459167.842960576592
(2020-Nov-14.34296058)
0.00062976 TDB
period 1376.061506235023
3.77
6.3603e-05
1.741e-07
d
yr
n .261616212915496 1.2092e-08 deg/d
Q 2.87783348072649 8.8677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      4974 days (13.62 yr)  
   first obs. used      2005-09-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:02:11  

Additional Information
 Earth MOID = .966743 au 
 Jupiter MOID = 2.58383 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456685.5 (2014-Jan-28.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1891908809860008 1.32e-07  
q 1.963531137971289 3.6476e-07 au
tp 2456418.103384154975
(2013-May-05.60338415)
0.00051027 TDB
node 153.0587049772039 0.00032237 deg
peri 224.4903975885138 0.00035864 deg
i 2.142502454319204 1.3248e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      4974 days (13.62 yr)  
   first obs. used      2005-09-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:02:11  

Additional Information
 Jupiter MOID = 2.58383 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.742304279874492E-14 -4.791423367965892E-14 -5.423387531970775E-11 -6.808192975225992E-14 -1.700502516342423E-11 1.190728201995681E-14
q -4.791423367965892E-14 1.330491685687906E-13 1.581615776352208E-10 2.506131896415647E-13 4.945831262172016E-11 -3.845475682313039E-14
tp -5.423387531970775E-11 1.581615776352208E-10 2.603759560901084E-7 8.958330124275941E-10 8.033164605951457E-8 -9.707665385829569E-11
node -6.808192975225992E-14 2.506131896415647E-13 8.958330124275941E-10 1.039224925598393E-7 -1.035705091327258E-7 -2.138957262595181E-9
peri -1.700502516342423E-11 4.945831262172016E-11 8.033164605951457E-8 -1.035705091327258E-7 1.286226144356653E-7 2.107403864149392E-9
i 1.190728201995681E-14 -3.845475682313039E-14 -9.707665385829569E-11 -2.138957262595181E-9 2.107403864149392E-9 1.755190591129883E-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 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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