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 ]  
15913 Telemachus (1997 TZ27)
Classification: Jupiter Trojan          SPK-ID: 2015913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06065826536874717 5.7383e-08  
a 5.192913392409555 1.0034e-07 au
q 4.877920273815855 3.7053e-07 au
i 7.249375641485051 4.8968e-06 deg
node 49.03429156394404 4.5718e-05 deg
peri 9.686453184700737 6.9527e-05 deg
M 308.9481965094022 5.3907e-05 deg
tp 2459813.448002651300
(2022-Aug-21.94800265)
0.00065456 TDB
period 4322.301385397824
11.83
0.00012528
3.43e-07
d
yr
n .08328896296223121 2.4141e-09 deg/d
Q 5.507906511003254 1.0643e-07 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      10518 days (28.80 yr)  
   first obs. used      1992-04-24  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:12:19  

Additional Information
 Earth MOID = 3.88964 au 
 Jupiter MOID = .0521585 au 
 T_jup = 2.980 
[ 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 12.04   n/a E2021B10  
diameter diameter 16.669 km 0.875 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.110   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

15913 Telemachus           Discovered 1997 Oct. 1 at the European Southern Observatory during the Uppsala-DLR Trojan Survey.
Telemachus, son of Odysseus, was born just before the Trojan war started.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1997 TZ27 = 1996 RY29 = 1998 WQ10 = 2000 AY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-12 19:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin