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359350 (2009 SD254)
Classification: Jupiter Trojan          SPK-ID: 2359350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0576176898212694 1.4493e-07  
a 5.148981848582087 3.8953e-07 au
q 4.852309409535138 1.0704e-06 au
i 5.398646127506974 7.8406e-06 deg
node 247.1693817888566 0.00012508 deg
peri 155.4153037621876 0.00016908 deg
M 313.3156341352698 0.00012503 deg
tp 2459553.913095006676
(2021-Dec-05.41309501)
0.0015227 TDB
period 4267.568178599156
11.68
0.00048427
1.326e-06
d
yr
n .08435717601544475 9.5726e-09 deg/d
Q 5.445654287629036 4.1197e-07 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2002-04-14  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:44:36  

Additional Information
 Earth MOID = 3.86206 au 
 Jupiter MOID = .0745353 au 
 T_jup = 2.988 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05647221093334201 1.4361e-07  
q 4.859420513008535 1.0608e-06 au
tp 2455296.034886423553
(2010-Apr-09.53488642)
0.0013015 TDB
node 247.1812585181817 0.00012507 deg
peri 156.0609027510868 0.0001715 deg
i 5.397665130341397 7.8426e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2002-04-14  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:44:36  

Additional Information
 Jupiter MOID = .0745353 au 
 T_jup = 2.988 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.062399064669368E-14 -1.493695928426457E-13 -9.679557826337551E-11 7.081399659130377E-14 -1.048083987419315E-11 -5.838360493554319E-15
q -1.493695928426457E-13 1.125373783133445E-12 6.959445696991835E-10 -5.116794132780151E-13 7.743860799431054E-11 5.276582253155217E-14
tp -9.679557826337551E-11 6.959445696991835E-10 1.693988024080579E-6 -5.644635655574367E-10 1.515581004866332E-7 9.526999766146777E-12
node 7.081399659130377E-14 -5.116794132780151E-13 -5.644635655574367E-10 1.56414555435439E-8 -1.562672537433444E-8 -1.578564662956082E-10
peri -1.048083987419315E-11 7.743860799431054E-11 1.515581004866332E-7 -1.562672537433444E-8 2.941109007189099E-8 1.591288164025863E-10
i -5.838360493554319E-15 5.276582253155217E-14 9.526999766146777E-12 -1.578564662956082E-10 1.591288164025863E-10 6.150670318266487E-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 13.9   n/a MPO434266  

359350 (2009 SD254)          Discovered 2009-Sep-16 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2009 SD254 = 2010 VQ83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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