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JPL Small-Body Database Browser
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379816 (2011 KT20)
Classification: Main-belt Asteroid          SPK-ID: 2379816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143183958394963 7.7346e-08  
a 2.741930444387687 4.4084e-08 au
q 2.349329989716598 2.1459e-07 au
i 4.330208568652382 6.395e-06 deg
node 74.67703870230193 0.00014134 deg
peri 56.58794553159141 0.00014592 deg
M 358.6253834672684 3.7152e-05 deg
tp 2458606.832309589305
(2019-May-03.33230959)
0.0001712 TDB
period 1658.376280124988
4.54
3.9995e-05
1.095e-07
d
yr
n .2170798052977866 5.2353e-09 deg/d
Q 3.134530899058776 5.0397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5197 days (14.23 yr)  
   first obs. used      2004-10-23  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:06:54  

Additional Information
 Earth MOID = 1.36782 au 
 Jupiter MOID = 1.92238 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456964.5 (2014-Nov-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14444674364121 7.7428e-08  
q 2.346557647751663 2.154e-07 au
tp 2456949.387152677401
(2014-Oct-18.88715268)
0.00015839 TDB
node 74.70960529046016 0.00014132 deg
peri 56.76845482632453 0.00014579 deg
i 4.330658279105333 6.3948e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5197 days (14.23 yr)  
   first obs. used      2004-10-23  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:06:54  

Additional Information
 Jupiter MOID = 1.92238 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.995140505300732E-15 -1.642182974153009E-14 6.945779791581081E-12 2.811330486611367E-14 1.586755696394997E-12 -6.005736388422145E-15
q -1.642182974153009E-14 4.63977689370616E-14 -1.81669447984737E-11 -6.776028731802119E-14 -4.158746289188451E-12 1.717489394455445E-14
tp 6.945779791581081E-12 -1.81669447984737E-11 2.508868249947968E-8 8.209964210321109E-11 5.855943249096953E-9 -1.132623914436631E-11
node 2.811330486611367E-14 -6.776028731802119E-14 8.209964210321109E-11 1.997007832842355E-8 -1.989403277395345E-8 -1.742074065938625E-10
peri 1.586755696394997E-12 -4.158746289188451E-12 5.855943249096953E-9 -1.989403277395345E-8 2.125426897645437E-8 1.711709113346171E-10
i -6.005736388422145E-15 1.717489394455445E-14 -1.132623914436631E-11 -1.742074065938625E-10 1.711709113346171E-10 4.089347120665248E-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 16.6   n/a MPO418933  

379816 (2011 KT20)          Discovered 2004-Oct-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 KT20 = 2010 AT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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