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JPL Small-Body Database Browser
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17424 (1988 SP2)
Classification: Jupiter Trojan          SPK-ID: 2017424
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571811666724263 6.7987e-08  
a 5.202152112512507 1.352e-07 au
q 4.384471774260364 3.6185e-07 au
i 12.69126699812924 7.0751e-06 deg
node 170.0944439032981 2.6486e-05 deg
peri 161.1778595669797 3.403e-05 deg
M 230.7698620046558 2.7079e-05 deg
tp 2460156.230279660522
(2023-Jul-30.73027966)
0.00037226 TDB
period 4333.841233675425
11.87
0.00016895
4.626e-07
d
yr
n .08306718695707566 3.2383e-09 deg/d
Q 6.01983245076465 1.5645e-07 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      11190 days (30.64 yr)  
   first obs. used      1988-09-16  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53059  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:30:53  

Additional Information
 Earth MOID = 3.37647 au 
 Jupiter MOID = .42521 au 
 T_jup = 2.927 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO473998  
diameter diameter 17.964 km 0.580 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.072   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

17424 (1988 SP2)          Discovered 1988-Sep-16 by Bus, S. J. at Cerro Tololo
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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