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308414 (2005 SY108)
Classification: Main-belt Asteroid          SPK-ID: 2308414
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2361862533704754 1.1421e-07  
a 3.150581316946995 3.6686e-08 au
q 2.406457319758266 3.7536e-07 au
i 9.026222716322975 1.2008e-05 deg
node 201.4264236129658 3.8318e-05 deg
peri 148.2984304719884 4.1763e-05 deg
M 240.0743175384093 1.6597e-05 deg
tp 2459680.946782161814
(2022-Apr-11.44678216)
0.00010038 TDB
period 2042.605358170116
5.59
3.5677e-05
9.768e-08
d
yr
n .1762454987009869 3.0784e-09 deg/d
Q 3.894705314135725 4.5351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      5347 days (14.64 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:12:17  

Additional Information
 Earth MOID = 1.40661 au 
 Jupiter MOID = 1.61606 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457108.5 (2015-Mar-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .235253410405345 1.1442e-07  
q 2.410618775472714 3.7614e-07 au
tp 2457638.911980634251
(2016-Sep-07.41198063)
8.5739e-05 TDB
node 201.4493443401118 3.8317e-05 deg
peri 148.579110635173 4.1761e-05 deg
i 9.024024322878706 1.2005e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      5347 days (14.64 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:12:17  

Additional Information
 Jupiter MOID = 1.61606 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.309221055695631E-14 -4.295208450563764E-14 3.121268132298781E-12 -7.287668517148994E-14 9.636677179799328E-13 -3.159460094693341E-14
q -4.295208450563764E-14 1.414840288743407E-13 -9.247440930294402E-12 2.381002740816663E-13 -3.032724757621152E-12 1.052173251360376E-13
tp 3.121268132298781E-12 -9.247440930294402E-12 7.351133280444419E-9 -2.721102092076205E-11 1.402479643796457E-9 -8.643694998955499E-12
node -7.287668517148994E-14 2.381002740816663E-13 -2.721102092076205E-11 1.468229778907823E-9 -1.455967872895904E-9 -7.63483780993942E-11
peri 9.636677179799328E-13 -3.032724757621152E-12 1.402479643796457E-9 -1.455967872895904E-9 1.744015802845619E-9 7.315961806462578E-11
i -3.159460094693341E-14 1.052173251360376E-13 -8.643694998955499E-12 -7.63483780993942E-11 7.315961806462578E-11 1.441083799692297E-10

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 15.7   n/a MPO341961  

308414 (2005 SY108)          Discovered 2005-Sep-26 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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