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308402 (2005 SL76)
Classification: Main-belt Asteroid          SPK-ID: 2308402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2738433464178098 6.3751e-08  
a 3.102976401353919 2.4152e-08 au
q 2.253246959751669 1.9941e-07 au
i .6824999182303804 5.6581e-06 deg
node 117.5903092695928 0.00090967 deg
peri 220.5984200843218 0.00090978 deg
M 261.4404204647511 1.8275e-05 deg
tp 2459547.091001009922
(2021-Nov-28.59100101)
0.00010523 TDB
period 1996.48538773644
5.47
2.331e-05
6.382e-08
d
yr
n .1803168719447318 2.1053e-09 deg/d
Q 3.95270584295617 3.0766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      9336 days (25.56 yr)  
   first obs. used      1994-10-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:11:57  

Additional Information
 Earth MOID = 1.2443 au 
 Jupiter MOID = 1.45134 au 
 T_jup = 3.162 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456643.5 (2013-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2726586017994466 6.3956e-08  
q 2.257717356217864 2.0004e-07 au
tp 2457551.174098744721
(2016-Jun-11.67409874)
9.2905e-05 TDB
node 117.5739327968862 0.00090935 deg
peri 220.9080125108931 0.00090946 deg
i .6826157066712047 5.6576e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      9336 days (25.56 yr)  
   first obs. used      1994-10-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:11:57  

Additional Information
 Jupiter MOID = 1.45134 au 
 T_jup = 3.162 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.090410764444125E-15 -1.274518576239631E-14 2.801053137307168E-12 1.488276847660838E-13 3.66062429809634E-13 -1.403360720160028E-15
q -1.274518576239631E-14 4.00156517428434E-14 -7.985995010266492E-12 -4.604364857511406E-13 -1.029407191320649E-12 4.358076470157667E-15
tp 2.801053137307168E-12 -7.985995010266492E-12 8.631315687081918E-9 1.628551280463691E-10 1.587986045005924E-9 -1.660095971848595E-12
node 1.488276847660838E-13 -4.604364857511406E-13 1.628551280463691E-10 8.269132754088326E-7 -8.268228035414447E-7 -1.136156695075442E-9
peri 3.66062429809634E-13 -1.029407191320649E-12 1.587986045005924E-9 -8.268228035414447E-7 8.271210059990639E-7 1.135733160087582E-9
i -1.403360720160028E-15 4.358076470157667E-15 -1.660095971848595E-12 -1.136156695075442E-9 1.135733160087582E-9 3.200810378599498E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO264772  

308402 (2005 SL76)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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