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 ]  
19844 (2000 ST317)
Classification: Jupiter Trojan          SPK-ID: 2019844
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05008270865474305 5.2909e-08  
a 5.194407894379315 9.4558e-08 au
q 4.934257877171218 3.3894e-07 au
i 40.42289667850429 8.027e-06 deg
node 207.5414358012831 7.2391e-06 deg
peri 102.9081745107768 8.4759e-05 deg
M 289.9999297703946 8.6334e-05 deg
tp 2459841.311177966289
(2022-Sep-18.81117797)
0.0010428 TDB
period 4324.167434047023
11.84
0.00011807
3.233e-07
d
yr
n .08325302049256524 2.2733e-09 deg/d
Q 5.454557911587411 9.9294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1351  
   data-arc span      25184 days (68.95 yr)  
   first obs. used      1951-07-08  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:36:47  

Additional Information
 Earth MOID = 4.07362 au 
 Jupiter MOID = .168127 au 
 T_jup = 2.521 
[ 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 11.0   n/a MPO474027  
diameter diameter 37.972 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.053   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

19844 (2000 ST317)          Discovered 2000-Sep-30 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 00:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin