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353191 (2009 SJ48)
Classification: Jupiter Trojan          SPK-ID: 2353191
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04359979215967069 1.1774e-07  
a 5.299017537488597 5.605e-07 au
q 5.067981474203644 5.0106e-07 au
i 3.567719027199199 1.2345e-05 deg
node 328.3265950491916 0.00017614 deg
peri 122.2309475147575 0.00028781 deg
M 260.7132517968739 0.00025327 deg
tp 2460229.297300137124
(2023-Oct-11.79730014)
0.0032947 TDB
period 4455.4488494713
12.20
0.00070691
1.935e-06
d
yr
n .08079994006501026 1.282e-08 deg/d
Q 5.53005360077355 5.8494e-07 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      3955 days (10.83 yr)  
   first obs. used      2007-09-11  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:27:36  

Additional Information
 Earth MOID = 4.08627 au 
 Jupiter MOID = .203034 au 
 T_jup = 2.994 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456434.5 (2013-May-22.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .044392441552496 1.1822e-07  
q 5.062095660961607 4.9862e-07 au
tp 2455790.353634432011
(2011-Aug-16.85363443)
0.0026632 TDB
node 328.3948890683179 0.00017626 deg
peri 123.1167311646019 0.00028322 deg
i 3.566599982782772 1.2345e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      3955 days (10.83 yr)  
   first obs. used      2007-09-11  
   last obs. used      2018-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:27:36  

Additional Information
 Jupiter MOID = .203034 au 
 T_jup = 2.994 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.397651132705093E-14 -3.276608214765469E-14 1.421651670723509E-10 3.160654335977357E-14 1.18666175757329E-11 4.563746458355051E-15
q -3.276608214765469E-14 2.486210735615376E-13 2.952119475903346E-10 7.142227388541989E-14 2.599617769091622E-11 1.964485880238898E-14
tp 1.421651670723509E-10 2.952119475903346E-10 7.092817156941033E-6 1.437169603285388E-9 5.906315288558835E-7 1.813899354009888E-10
node 3.160654335977357E-14 7.142227388541989E-14 1.437169603285388E-9 3.106711903967409E-8 -3.088619008807249E-8 5.393768394329473E-10
peri 1.18666175757329E-11 2.599617769091622E-11 5.906315288558835E-7 -3.088619008807249E-8 8.021461055762914E-8 -5.229262097125833E-10
i 4.563746458355051E-15 1.964485880238898E-14 1.813899354009888E-10 5.393768394329473E-10 -5.229262097125833E-10 1.523879967879066E-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 13.9   n/a MPO455553  

353191 (2009 SJ48)          Discovered 2009-Sep-16 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

Alternate Designations
 2009 SJ48 = 2008 SU47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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