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JPL Small-Body Database Browser
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392701 (2011 YK45)
Classification: Jupiter Trojan          SPK-ID: 2392701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05625446955731978 2.5745e-07  
a 5.197299168266338 1.7924e-06 au
q 4.904927860424816 1.1224e-06 au
i 5.684654554049285 1.6773e-05 deg
node 238.1332618263638 0.00012151 deg
peri 196.3812002842694 0.00038991 deg
M 261.0980612700787 0.00047318 deg
tp 2459789.460169377154
(2022-Jul-28.96016938)
0.0062832 TDB
period 4327.778266759929
11.85
0.0022388
6.13e-06
d
yr
n .0831835592791404 4.3032e-08 deg/d
Q 5.48967047610786 1.8933e-06 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      2833 days (7.76 yr)  
   first obs. used      2008-09-28  
   last obs. used      2016-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .6359  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:19:43  

Additional Information
 Earth MOID = 3.9201 au 
 Jupiter MOID = .122167 au 
 T_jup = 2.987 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456625.5 (2013-Nov-29.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05782152487367914 2.5869e-07  
q 4.886733821606037 1.112e-06 au
tp 2455475.134302079160
(2010-Oct-05.63430208)
0.0039724 TDB
node 238.1409874268065 0.00012145 deg
peri 196.8183530383104 0.00037738 deg
i 5.688945650094385 1.6791e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      2833 days (7.76 yr)  
   first obs. used      2008-09-28  
   last obs. used      2016-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .6359  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:19:43  

Additional Information
 Jupiter MOID = .122167 au 
 T_jup = 2.987 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.692260988439462E-14 -1.560689342035035E-14 6.237966403230858E-10 -3.256857381650245E-14 5.604097272265909E-11 4.090246098034819E-14
q -1.560689342035035E-14 1.236611794639386E-12 3.007609219046096E-9 -4.638415364820055E-13 2.769848783798429E-10 1.129703204882005E-13
tp 6.237966403230858E-10 3.007609219046096E-9 1.577985596230976E-5 -1.395542962938374E-9 1.418752243047643E-6 5.733465429334893E-10
node -3.256857381650245E-14 -4.638415364820055E-13 -1.395542962938374E-9 1.474912290103391E-8 -1.480451983393787E-8 -8.289811086357157E-10
peri 5.604097272265909E-11 2.769848783798429E-10 1.418752243047643E-6 -1.480451983393787E-8 1.424177031946031E-7 8.780317052207494E-10
i 4.090246098034819E-14 1.129703204882005E-13 5.733465429334893E-10 -8.289811086357157E-10 8.780317052207494E-10 2.819528892585842E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO294781  

392701 (2011 YK45)          Discovered 2008-Sep-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 YK45 = 2008 SO230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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