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266795 (2009 SL307)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266795
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1357398359333066 5.2495e-08  
a 3.247410064118403 4.9455e-08 au
q 2.806607154806803 1.7474e-07 au
i 3.901158142318677 6.0181e-06 deg
node 74.35110089606135 0.00010137 deg
peri 14.57185864338162 0.00010448 deg
M 235.1850335351451 2.6836e-05 deg
tp 2459741.585453773124
(2022-Jun-11.08545377)
0.0001654 TDB
period 2137.490165760266
5.85
4.8828e-05
1.337e-07
d
yr
n .1684218275090658 3.8474e-09 deg/d
Q 3.688212973430004 5.6168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      5353 days (14.66 yr)  
   first obs. used      2003-09-22  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5837  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:59:54  

Additional Information
 Earth MOID = 1.82328 au 
 Jupiter MOID = 1.51985 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456872.5 (2014-Aug-03.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331780848637747 5.1252e-08  
q 2.816871878557867 1.6912e-07 au
tp 2457575.893620590305
(2016-Jul-06.39362059)
0.0001578 TDB
node 74.48854880126706 0.00010106 deg
peri 10.73914198766419 0.00010455 deg
i 3.911207271139859 6.024e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      5353 days (14.66 yr)  
   first obs. used      2003-09-22  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5837  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:59:54  

Additional Information
 Jupiter MOID = 1.51985 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.626749229211554E-15 -8.412097834703163E-15 -1.945281420966124E-14 9.665991003820444E-15 -4.739464877816938E-14 -4.17252158510476E-16
q -8.412097834703163E-15 2.860194174346687E-14 1.428462040570755E-12 -4.608136929948204E-14 2.865520698818255E-13 2.593219794617839E-15
tp -1.945281420966124E-14 1.428462040570755E-12 2.490193707710436E-8 1.827271433369555E-11 4.287778618933716E-9 -3.871454366860419E-13
node 9.665991003820444E-15 -4.608136929948204E-14 1.827271433369555E-11 1.021295437718218E-8 -1.018512679067096E-8 -4.522929315842926E-11
peri -4.739464877816938E-14 2.865520698818255E-13 4.287778618933716E-9 -1.018512679067096E-8 1.09316585760756E-8 4.498970978333286E-11
i -4.17252158510476E-16 2.593219794617839E-15 -3.871454366860419E-13 -4.522929315842926E-11 4.498970978333286E-11 3.628861048575371E-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 15.7   n/a MPO440312  

266795 (2009 SL307)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SL307 = 2003 SE431 = 2003 SL264 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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