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JPL Small-Body Database Browser
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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2115-Dec-29 12:31 00:23 Psych 0.0377194682846357 0.037704850639246 0.0377340859528838 3.02874792723474 3.02874782132778 2493910.021295681 23.4018532900283 728.849123629187 82.9869089985705 -3.38440136222632 8694.5110674718 T 11 CATAB v2.0e-lin.ifort 2017-Nov-25 15:53:03 2018-Dec-18 01:40
2157-May-24 05:37 00:20 Europ 0.0216873932788481 0.021672408379367 0.0217024039249371 3.60869651422721 3.60869637842276 2509031.733713767 20.2086992833503 1396.59310535876 48.0021491379031 -57.7035388885888 57096.3882006784 T 11 CATAB v2.0e-lin.ifort 2017-Nov-25 15:53:03 2018-Dec-18 01:40

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