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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577450234532469 6.023e-08  
a 5.200923445031315 1.2352e-07 au
q 4.380503654216309 3.3961e-07 au
i 12.69356552015996 6.7323e-06 deg
node 170.1013412229315 2.5167e-05 deg
peri 161.1858500065486 3.2909e-05 deg
M 264.0445909465759 2.6808e-05 deg
tp 2460155.244969825413
(2023-Jul-29.74496983)
0.00035345 TDB
period 4332.305945417826
11.86
0.00015434
4.226e-07
d
yr
n .08309662441563326 2.9603e-09 deg/d
Q 6.021343235846322 1.4301e-07 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      11546 days (31.61 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:35:54  

Additional Information
 Earth MOID = 3.37342 au 
 Jupiter MOID = .422914 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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