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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579924739381319 5.1493e-08  
a 5.200013365657854 1.1498e-07 au
q 4.378450389506218 3.1531e-07 au
i 12.69430595578144 5.9099e-06 deg
node 170.1058452567928 2.3465e-05 deg
peri 161.2476814852195 3.1679e-05 deg
M 280.6252678448928 2.6051e-05 deg
tp 2460155.459357733607
(2023-Jul-29.95935773)
0.00033644 TDB
period 4331.1688675976
11.86
0.00014366
3.933e-07
d
yr
n .08311844008051428 2.7569e-09 deg/d
Q 6.021576341809491 1.3315e-07 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      11602 days (31.76 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:21:06  

Additional Information
 Earth MOID = 3.36947 au 
 Jupiter MOID = .422477 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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