Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
3794 Sthenelos (1985 TF3)
Classification: Jupiter Trojan          SPK-ID: 2003794
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469497239926561 3.9516e-08  
a 5.202500424583159 7.9545e-08 au
q 4.437994423118987 2.4381e-07 au
i 6.064097164355138 1.7845e-06 deg
node 343.174417872689 9.1579e-06 deg
peri 35.93166374899489 1.1738e-05 deg
M 356.4102725002861 7.4709e-06 deg
tp 2459243.719087639938
(2021-Jan-29.21908764)
8.9699e-05 TDB
period 4334.276501940028
11.87
9.9404e-05
2.722e-07
d
yr
n .08305884496267453 1.9049e-09 deg/d
Q 5.967006426047329 9.1234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2160  
   data-arc span      26075 days (71.39 yr)  
   first obs. used      1949-09-23  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45367  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:33:49  

Additional Information
 Earth MOID = 3.4412 au 
 Jupiter MOID = .209814 au 
 T_jup = 2.967 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457601.5 (2016-Aug-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455617318550921 3.9474e-08  
q 4.448648950411252 2.4261e-07 au
tp 2459241.438031724455
(2021-Jan-26.93803172)
8.9997e-05 TDB
node 343.2561621178921 9.1611e-06 deg
peri 35.35166157367131 1.1743e-05 deg
i 6.0609313175824 1.7847e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2160  
   data-arc span      26075 days (71.39 yr)  
   first obs. used      1949-09-23  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45367  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:33:49  

Additional Information
 Jupiter MOID = .209814 au 
 T_jup = 2.967 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.558182952527703E-15 -9.267585748764546E-15 -3.591246768625711E-13 1.136643376710931E-13 -5.612626094156565E-14 1.380017543663984E-14
q -9.267585748764546E-15 5.885850017870991E-14 3.755465602893185E-13 -6.201340941401556E-13 4.61565237035919E-15 -7.508935829084846E-14
tp -3.591246768625711E-13 3.755465602893185E-13 8.099450358881735E-9 -5.215362451398326E-11 6.443136676208515E-10 -1.152370962690459E-11
node 1.136643376710931E-13 -6.201340941401556E-13 -5.215362451398326E-11 8.392536396338485E-11 -8.359407817905642E-11 1.481977927831898E-11
peri -5.612626094156565E-14 4.61565237035919E-15 6.443136676208515E-10 -8.359407817905642E-11 1.378888764291767E-10 -1.533655649523487E-11
i 1.380017543663984E-14 -7.508935829084846E-14 -1.152370962690459E-11 1.481977927831898E-11 -1.533655649523487E-11 3.185212262630512E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.52   n/a E2021B10  
diameter diameter 34.531 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 12.877 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Mottola, S.; Di Martino, M.; Erikson, A.; Gonano-Beurer, M.; et al. (2011) Astron. J. 141, A170.]
geometric albedo albedo 0.112   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

3794 Sthenelos (1985 TF3)          Discovered 1985-Oct-12 by Shoemaker, C. and Shoemaker, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 TF3 = 1949 SA = 1973 SU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 15:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin