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347257 (2011 KG11)
Classification: Main-belt Asteroid          SPK-ID: 2347257
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 .2123859371785161 5.4085e-08  
a 2.272594300697383 2.74e-08 au
q 1.789927230317215 1.1411e-07 au
i 2.595869612019996 9.4102e-06 deg
node 195.68518890018 0.00011739 deg
peri 77.1922633000036 0.00012036 deg
M 203.6310588762723 3.3582e-05 deg
tp 2459544.037223008901
(2021-Nov-25.53722301)
0.00012434 TDB
period 1251.357199690806
3.43
2.2631e-05
6.196e-08
d
yr
n .2876876403387869 5.2029e-09 deg/d
Q 2.755261371077552 3.322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5665 days (15.51 yr)  
   first obs. used      2001-07-25  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58579  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 08:08:00  

Additional Information
 Earth MOID = .775931 au 
 Jupiter MOID = 2.3594 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456753.5 (2014-Apr-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123085433230852 5.3964e-08  
q 1.789718354863628 1.1376e-07 au
tp 2457042.090777728219
(2015-Jan-19.59077773)
9.3174e-05 TDB
node 195.705120367509 0.00011738 deg
peri 77.25237574625042 0.00012036 deg
i 2.595622574114676 9.4128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5665 days (15.51 yr)  
   first obs. used      2001-07-25  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58579  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 08:08:00  

Additional Information
 Jupiter MOID = 2.3594 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.912135045602046E-15 -6.054427914325016E-15 8.162933314574614E-13 2.230744727136388E-14 7.218747852024422E-14 2.727849868866175E-16
q -6.054427914325016E-15 1.294029835017449E-14 -7.233223060855244E-13 -5.520765060086208E-14 1.016195532705985E-13 9.859900727717104E-16
tp 8.162933314574614E-13 -7.233223060855244E-13 8.681336615902213E-9 -8.172926034223415E-11 2.476583868230263E-9 1.097509103931962E-11
node 2.230744727136388E-14 -5.520765060086208E-14 -8.172926034223415E-11 1.377818834346892E-8 -1.378672595928837E-8 -1.149711236851398E-10
peri 7.218747852024422E-14 1.016195532705985E-13 2.476583868230263E-9 -1.378672595928837E-8 1.448752598344935E-8 1.178621938764859E-10
i 2.727849868866175E-16 9.859900727717104E-16 1.097509103931962E-11 -1.149711236851398E-10 1.178621938764859E-10 8.860086099721904E-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 17.7   n/a MPO353099  

347257 (2011 KG11)          Discovered 2004-Apr-11 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2011 KG11 = 2004 GT78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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