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JPL Small-Body Database Browser
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226355 (2003 GR24)
Classification: Jupiter Trojan          SPK-ID: 2226355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08418641498474273 6.9964e-08  
a 5.132409275180592 1.7378e-07 au
q 4.700330138068696 4.812e-07 au
i 9.24733619576268 6.6418e-06 deg
node 152.9993989817013 3.5655e-05 deg
peri 255.8754805602299 5.5903e-05 deg
M 321.1404872417781 4.5782e-05 deg
tp 2459458.932288770625
(2021-Sep-01.43228877)
0.00054403 TDB
period 4246.981298614111
11.63
0.0002157
5.906e-07
d
yr
n .084766090238607 4.3051e-09 deg/d
Q 5.564488412292488 1.8841e-07 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6426 days (17.59 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50967  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:23  

Additional Information
 Earth MOID = 3.72536 au 
 Jupiter MOID = .0434781 au 
 T_jup = 2.967 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457042.5 (2015-Jan-20.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08405612910684465 6.9915e-08  
q 4.693605222040161 4.8001e-07 au
tp 2455229.926269980605
(2010-Feb-02.42626998)
0.00054457 TDB
node 153.0356771944928 3.5673e-05 deg
peri 256.6365469069263 5.5965e-05 deg
i 9.248479419235279 6.6431e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6426 days (17.59 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50967  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:23  

Additional Information
 Jupiter MOID = .0434781 au 
 T_jup = 2.967 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.888059170054817E-15 -3.253217000765132E-14 4.779925636128316E-13 -1.01797471114849E-14 -3.253835136610007E-13 2.819354459746087E-15
q -3.253217000765132E-14 2.304108451740154E-13 -1.952451157232388E-11 7.545175478980552E-14 1.498483440562848E-12 -1.293189031045049E-14
tp 4.779925636128316E-13 -1.952451157232388E-11 2.965517313406959E-7 9.812406454971127E-12 2.321796199621149E-8 -9.633971334772348E-12
node -1.01797471114849E-14 7.545175478980552E-14 9.812406454971127E-12 1.272566123798629E-9 -1.253933884254363E-9 2.309713695580284E-11
peri -3.253835136610007E-13 1.498483440562848E-12 2.321796199621149E-8 -1.253933884254363E-9 3.132099060806596E-9 -2.354352102712078E-11
i 2.819354459746087E-15 -1.293189031045049E-14 -9.633971334772348E-12 2.309713695580284E-11 -2.354352102712078E-11 4.413126979464854E-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 12.9   n/a MPO454624  
diameter diameter 12.580 km 1.114 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.070   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

226355 (2003 GR24)          Discovered 2003-Apr-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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