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266788 (2009 SN264)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266788
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09408869881952231 4.4511e-08  
a 3.987003097708165 6.5168e-08 au
q 3.611871164055399 1.9955e-07 au
i 5.258220699271148 5.0716e-06 deg
node 105.0442448896247 6.5052e-05 deg
peri 356.72212551 7.3711e-05 deg
M 47.59459199866001 3.2805e-05 deg
tp 2458616.064580586340
(2019-May-12.56458059)
0.00026563 TDB
period 2907.825136788944
7.96
7.1293e-05
1.952e-07
d
yr
n .1238038682056175 3.0354e-09 deg/d
Q 4.362135031360932 7.13e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6650 days (18.21 yr)  
   first obs. used      2001-11-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:51  

Additional Information
 Earth MOID = 2.62878 au 
 Jupiter MOID = .782695 au 
 T_jup = 3.041 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457318.5 (2015-Oct-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09537524944625743 4.4531e-08  
q 3.607026027416015 1.9966e-07 au
tp 2458618.655484965798
(2019-May-15.15548497)
0.00026179 TDB
node 105.0748654029404 6.505e-05 deg
peri 357.23819580382 7.3479e-05 deg
i 5.258455467271924 5.072e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6650 days (18.21 yr)  
   first obs. used      2001-11-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:51  

Additional Information
 Jupiter MOID = .782695 au 
 T_jup = 3.041 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.982986803329937E-15 -8.522376496114378E-15 3.00850885366864E-13 -2.658412844298353E-15 7.718570136473962E-14 -1.538686454225863E-15
q -8.522376496114378E-15 3.986293429997981E-14 -2.457490325533288E-12 2.997920525005011E-14 -7.196335356854824E-13 1.017275341058639E-14
tp 3.00850885366864E-13 -2.457490325533288E-12 6.853173253818825E-8 -1.476356114639953E-11 8.9569428702072E-9 -1.073997935581085E-12
node -2.658412844298353E-15 2.997920525005011E-14 -1.476356114639953E-11 4.231516928968057E-9 -4.216624162413982E-9 1.000521851508153E-11
peri 7.718570136473962E-14 -7.196335356854824E-13 8.9569428702072E-9 -4.216624162413982E-9 5.399228755033746E-9 -1.033775748470875E-11
i -1.538686454225863E-15 1.017275341058639E-14 -1.073997935581085E-12 1.000521851508153E-11 -1.033775748470875E-11 2.572495675750591E-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 14.5   n/a MPO437228  

266788 (2009 SN264)          Discovered 2009-Sep-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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