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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581957466202364 4.9274e-08  
a 5.199396021419165 9.9073e-08 au
q 4.376873685836474 3.1274e-07 au
i 12.69459906795163 4.778e-06 deg
node 170.10957858 2.335e-05 deg
peri 161.3117607465356 2.9735e-05 deg
M 296.875967210428 2.148e-05 deg
tp 2460155.811555400537
(2023-Jul-30.31155540)
0.00027195 TDB
period 4330.397597622289
11.86
0.00012377
3.389e-07
d
yr
n .08313324397687336 2.3761e-09 deg/d
Q 6.021918357001857 1.1475e-07 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      11964 days (32.76 yr)  
   first obs. used      1988-09-16  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:24:11  

Additional Information
 Earth MOID = 3.36901 au 
 Jupiter MOID = .422506 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 12.29   n/a E2021B10  
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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