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JPL Small-Body Database Browser
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469836 (2005 SS256)
Classification: Main-belt Asteroid          SPK-ID: 2469836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879140333195649 7.9263e-08  
a 2.3825503982903 1.8867e-08 au
q 1.934835743360434 1.9345e-07 au
i .8571231731133135 8.6887e-06 deg
node 327.9671096521622 0.00047127 deg
peri 10.67669383612866 0.00047179 deg
M 265.6808923547304 2.1484e-05 deg
tp 2458952.431996660461
(2020-Apr-12.93199666)
8.2365e-05 TDB
period 1343.264604180338
3.68
1.5956e-05
4.369e-08
d
yr
n .2680037863572476 3.1834e-09 deg/d
Q 2.830265053220166 2.2412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      6992 days (19.14 yr)  
   first obs. used      2000-04-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:44  

Additional Information
 Earth MOID = .924926 au 
 Jupiter MOID = 2.55095 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879213494083151 7.9268e-08  
q 1.934242771237388 1.9323e-07 au
tp 2457610.516741581889
(2016-Aug-10.01674158)
7.5073e-05 TDB
node 328.0161538421601 0.00047108 deg
peri 10.8898814154207 0.0004716 deg
i .8574213108964773 8.6905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      6992 days (19.14 yr)  
   first obs. used      2000-04-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:44  

Additional Information
 Jupiter MOID = 2.55095 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.28335327275719E-15 -1.527179858135668E-14 1.865242586394096E-13 7.489133473635629E-15 1.066762762917144E-13 -1.494614488897859E-15
q -1.527179858135668E-14 3.73370206911605E-14 -2.224521579382315E-14 -2.383270076012923E-14 -1.53406697321594E-13 3.824631000918265E-15
tp 1.865242586394096E-13 -2.224521579382315E-14 5.636005801178512E-9 1.916523160729008E-11 1.697230804588723E-9 1.229768282035397E-12
node 7.489133473635629E-15 -2.383270076012923E-14 1.916523160729008E-11 2.219146703953663E-7 -2.218812010741513E-7 3.642980594808244E-10
peri 1.066762762917144E-13 -1.53406697321594E-13 1.697230804588723E-9 -2.218812010741513E-7 2.224077948745423E-7 -3.639051878189889E-10
i -1.494614488897859E-15 3.824631000918265E-15 1.229768282035397E-12 3.642980594808244E-10 -3.639051878189889E-10 7.552545546205003E-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 17.7   n/a MPO437770  

469836 (2005 SS256)          Discovered 2005-Sep-22 by NEAT at Palomar
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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