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

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06081808671135899 5.7018e-08  
a 5.192532401842579 9.9463e-08 au
q 4.876732515975776 3.679e-07 au
i 7.249697926161908 4.8969e-06 deg
node 49.03226666084777 4.5541e-05 deg
peri 9.94643033722747 6.9143e-05 deg
M 325.0497731671532 5.3669e-05 deg
tp 2459816.079970136070
(2022-Aug-24.57997014)
0.00064924 TDB
period 4321.825720084511
11.83
0.00012418
3.4e-07
d
yr
n .08329812984521745 2.3934e-09 deg/d
Q 5.508332287709382 1.0551e-07 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      10698 days (29.29 yr)  
   first obs. used      1992-04-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:33:03  

Additional Information
 Earth MOID = 3.88884 au 
 Jupiter MOID = .0509907 au 
 T_jup = 2.980 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457547.5 (2016-Jun-08.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05891170814236463 5.7059e-08  
q 4.89100515366697 3.6732e-07 au
tp 2455489.874620955554
(2010-Oct-20.37462096)
0.0006334 TDB
node 49.07287308710389 4.5495e-05 deg
peri 9.609892778176107 7.0541e-05 deg
i 7.252140680368364 4.8976e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      10698 days (29.29 yr)  
   first obs. used      1992-04-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:33:03  

Additional Information
 Jupiter MOID = .0509907 au 
 T_jup = 2.980 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.255677102738947E-15 -2.060162162518843E-14 -1.405650232707766E-11 -3.78662181127517E-15 -1.276273498686822E-12 -2.827230644834203E-15
q -2.060162162518843E-14 1.349228364075865E-13 8.513271049069063E-11 3.311759061355904E-14 8.000943243164213E-12 1.966689453721125E-14
tp -1.405650232707766E-11 8.513271049069063E-11 4.011932009533053E-7 -1.791821503325234E-11 3.418465845204697E-8 3.331805394718036E-11
node -3.78662181127517E-15 3.311759061355904E-14 -1.791821503325234E-11 2.069822629468471E-9 -2.053806505853893E-9 -1.013378395461755E-10
peri -1.276273498686822E-12 8.000943243164213E-12 3.418465845204697E-8 -2.053806505853893E-9 4.976019903981372E-9 1.035276521497858E-10
i -2.827230644834203E-15 1.966689453721125E-14 3.331805394718036E-11 -1.013378395461755E-10 1.035276521497858E-10 2.398621124743362E-11

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 ]
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