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266109 (2006 ST245)
Classification: Main-belt Asteroid          SPK-ID: 2266109
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464453812565185 4.8448e-08  
a 2.308295739607877 7.5597e-09 au
q 1.739426916007417 1.1247e-07 au
i 3.292266287859769 5.8343e-06 deg
node 62.78140402587572 8.5132e-05 deg
peri 273.8400842229639 8.6344e-05 deg
M 46.74358035016719 1.2249e-05 deg
tp 2459034.175940843231
(2020-Jul-03.67594084)
4.3648e-05 TDB
period 1280.960098646415
3.51
6.2928e-06
1.723e-08
d
yr
n .2810391989418019 1.3806e-09 deg/d
Q 2.877164563208337 9.4228e-09 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      7763 days (21.25 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:14:38  

Additional Information
 Earth MOID = .732078 au 
 Jupiter MOID = 2.51652 au 
 T_jup = 3.543 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457865.5 (2017-Apr-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2466543625336616 4.8531e-08  
q 1.739098338857951 1.1277e-07 au
tp 2457753.890499699271
(2016-Dec-31.39049970)
4.4715e-05 TDB
node 62.7898040708408 8.5088e-05 deg
peri 274.0263579979864 8.6297e-05 deg
i 3.293306160877106 5.8373e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      7763 days (21.25 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:14:38  

Additional Information
 Jupiter MOID = 2.51652 au 
 T_jup = 3.543 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.355252974037811E-15 -5.465738529042804E-15 1.521405672105155E-12 -4.523438198612705E-14 4.633468617410564E-13 -6.542448928601219E-15
q -5.465738529042804E-15 1.27166897101692E-14 -3.576031006418007E-12 1.057100377154683E-13 -1.089860495379727E-12 1.528377677695672E-14
tp 1.521405672105155E-12 -3.576031006418007E-12 1.99943407898871E-9 -3.615298460017674E-11 6.669663788560627E-10 -7.229545861625684E-12
node -4.523438198612705E-14 1.057100377154683E-13 -3.615298460017674E-11 7.240000738202424E-9 -7.238364116418506E-9 -3.383007330617417E-10
peri 4.633468617410564E-13 -1.089860495379727E-12 6.669663788560627E-10 -7.238364116418506E-9 7.447242058068615E-9 3.355967421636747E-10
i -6.542448928601219E-15 1.528377677695672E-14 -7.229545861625684E-12 -3.383007330617417E-10 3.355967421636747E-10 3.40745485619031E-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 17.40   n/a MPCxxxxx  

266109 (2006 ST245)          Discovered 2006-Sep-26 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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