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190309 (1997 SX13)
Classification: Jupiter Trojan          SPK-ID: 2190309
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08333159549931005 6.9168e-08  
a 5.178021335582628 1.1483e-07 au
q 4.746528556159059 4.2841e-07 au
i 4.635819790097323 4.5169e-06 deg
node 280.5407805429955 8.8848e-05 deg
peri 101.0751263016396 9.481e-05 deg
M 347.3942520175851 3.1599e-05 deg
tp 2459351.198975484384
(2021-May-16.69897548)
0.00037786 TDB
period 4303.721702992921
11.78
0.00014317
3.92e-07
d
yr
n .08364853139775431 2.7826e-09 deg/d
Q 5.609514115006196 1.244e-07 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      12455 days (34.10 yr)  
   first obs. used      1986-10-31  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:32  

Additional Information
 Earth MOID = 3.75221 au 
 Jupiter MOID = .0179387 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 12.75   n/a E2021B55  
diameter diameter 13.862 km 1.217 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.084   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

190309 (1997 SX13)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 1997 SX13 = 1986 UP3 = 2007 TW347 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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