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JPL Small-Body Database Browser
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23706 (1997 SY32)
Classification: Jupiter Trojan          SPK-ID: 2023706
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09162817786321224 6.6655e-08  
a 5.247824457745037 1.2753e-07 au
q 4.766975864935859 4.2366e-07 au
i 6.798520728460569 6.4915e-06 deg
node 21.80816832305491 4.9312e-05 deg
peri 8.278224590100145 5.9911e-05 deg
M 318.7317836985762 3.7796e-05 deg
tp 2459503.862169943474
(2021-Oct-16.36216994)
0.00046971 TDB
period 4391.039822416523
12.02
0.00016007
4.382e-07
d
yr
n .08198513667814587 2.9886e-09 deg/d
Q 5.728673050554215 1.3922e-07 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      15534 days (42.53 yr)  
   first obs. used      1977-02-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:36:35  

Additional Information
 Earth MOID = 3.77244 au 
 Jupiter MOID = .160884 au 
 T_jup = 2.978 
[ 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 12.2   n/a MPO452502  
diameter diameter 14.114 km 0.648 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
rotation period rot_per 7.04 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D. (2016) http://www.planetarysciences.org/PHP/CS3_Lightcurves.php]
geometric albedo albedo 0.097   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

23706 (1997 SY32)          Discovered 1997-Sep-29 by Spacewatch at Kitt Peak
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 SY32 = 1977 CO2 = 1996 RL32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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