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JPL Small-Body Database Browser
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39693 (1996 ST1)
Classification: Jupiter Trojan          SPK-ID: 2039693
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01050301305844436 6.3259e-08  
a 5.202021597840578 1.1313e-07 au
q 5.147384697068149 3.7025e-07 au
i 6.524887228653809 6.9284e-06 deg
node 203.900130721482 4.5095e-05 deg
peri 131.6889149994767 0.00029216 deg
M 35.05057577702127 0.00028551 deg
tp 2458578.561349916509
(2019-Apr-05.06134992)
0.0034441 TDB
period 4333.67813973656
11.86
0.00014137
3.87e-07
d
yr
n .08307031311325858 2.7099e-09 deg/d
Q 5.256658498613007 1.1432e-07 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      8440 days (23.11 yr)  
   first obs. used      1996-09-12  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:48:52  

Additional Information
 Earth MOID = 4.14225 au 
 Jupiter MOID = .201952 au 
 T_jup = 2.987 
[ 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 MPO452719  
diameter diameter 14.899 km 1.252 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.105   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

39693 (1996 ST1)          Discovered 1996-Sep-17 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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