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JPL Small-Body Database Browser
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382253 (2012 TK26)
Classification: Jupiter Trojan          SPK-ID: 2382253
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09307387147809286 9.8093e-08  
a 5.310912188496157 3.1819e-07 au
q 4.816605030032629 6.9568e-07 au
i 23.69634586157602 7.7568e-06 deg
node 64.74096371925151 1.6042e-05 deg
peri 287.4409735198594 5.0727e-05 deg
M 221.832218269049 5.627e-05 deg
tp 2460316.259421589799
(2024-Jan-06.75942159)
0.0008236 TDB
period 4470.458916211742
12.24
0.00040176
1.1e-06
d
yr
n .08052864521234955 7.237e-09 deg/d
Q 5.805219346959685 3.4781e-07 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6397 days (17.51 yr)  
   first obs. used      2001-11-16  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:28  

Additional Information
 Earth MOID = 3.90265 au 
 Jupiter MOID = .0677353 au 
 T_jup = 2.822 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09621240016997014 9.7966e-08  
q 4.787116660842329 6.9048e-07 au
tp 2455865.955194043962
(2011-Oct-31.45519404)
0.00050975 TDB
node 64.82553793081567 1.6066e-05 deg
peri 288.0095032302847 4.9187e-05 deg
i 23.71754634640348 7.7513e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6397 days (17.51 yr)  
   first obs. used      2001-11-16  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:28  

Additional Information
 Jupiter MOID = .0677353 au 
 T_jup = 2.822 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.597428905509045E-15 -6.26088736397337E-14 8.248117280798477E-12 -6.620879304523092E-14 -7.624004070663552E-15 -1.249535457584565E-14
q -6.26088736397337E-14 4.767614411078339E-13 3.520385224631048E-11 5.3757372812967E-13 9.130626623079848E-12 8.012245808335257E-14
tp 8.248117280798477E-12 3.520385224631048E-11 2.598500520519359E-7 9.68165857697736E-11 2.338839430784474E-8 -6.02699354483669E-11
node -6.620879304523092E-14 5.3757372812967E-13 9.68165857697736E-11 2.581321544434991E-10 -2.20195130442842E-10 -5.903005334865534E-11
peri -7.624004070663552E-15 9.130626623079848E-12 2.338839430784474E-8 -2.20195130442842E-10 2.419378525508173E-9 4.988791704633584E-11
i -1.249535457584565E-14 8.012245808335257E-14 -6.02699354483669E-11 -5.903005334865534E-11 4.988791704633584E-11 6.008318892952981E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO402528  

382253 (2012 TK26)          Discovered 2001-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

Alternate Designations
 2012 TK26 = 2010 HF81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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