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39793 (1997 SZ23)
Classification: Jupiter Trojan          SPK-ID: 2039793
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06470741740236335 6.7058e-08  
a 5.194259140089132 1.8245e-07 au
q 4.858152045815343 3.5324e-07 au
i 14.98769759161677 7.9218e-06 deg
node 22.14313211796145 2.6719e-05 deg
peri 95.94451608729194 8.6274e-05 deg
M 253.3849974340594 9.0554e-05 deg
tp 2460281.059218208401
(2023-Dec-02.55921821)
0.0011353 TDB
period 4323.981686066164
11.84
0.00022782
6.237e-07
d
yr
n .08325659684454349 4.3865e-09 deg/d
Q 5.530366234362921 1.9425e-07 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      8368 days (22.91 yr)  
   first obs. used      1996-10-09  
   last obs. used      2019-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58445  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:27  

Additional Information
 Earth MOID = 3.91518 au 
 Jupiter MOID = .271176 au 
 T_jup = 2.928 
[ 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 12.6   n/a MPO412461  
diameter diameter 11.616 km 0.967 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.109   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

39793 (1997 SZ23)          Discovered 1997-Sep-29 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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