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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06041676385031748 5.755e-08  
a 5.193415410254691 1.0108e-07 au
q 4.879646057836734 3.7117e-07 au
i 7.249149662217703 4.9495e-06 deg
node 49.03677983828257 4.6276e-05 deg
peri 9.446956182419864 7.0189e-05 deg
M 292.49144470664 5.4249e-05 deg
tp 2459811.151766757248
(2022-Aug-19.65176676)
0.00066122 TDB
period 4322.928179464587
11.84
0.00012621
3.455e-07
d
yr
n .08327688665060994 2.4313e-09 deg/d
Q 5.507184762672649 1.0719e-07 au
  Orbit Determination Parameters
   # obs. used (total)      886  
   data-arc span      10409 days (28.50 yr)  
   first obs. used      1992-04-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:38  

Additional Information
 Earth MOID = 3.89203 au 
 Jupiter MOID = .0531266 au 
 T_jup = 2.980 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457412.5 (2016-Jan-25.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0589478619185614 5.7276e-08  
q 4.890864439109952 3.6918e-07 au
tp 2455492.162924761441
(2010-Oct-22.66292476)
0.00064139 TDB
node 49.07280505855235 4.6226e-05 deg
peri 9.78115789376773 7.1495e-05 deg
i 7.252314193508822 4.951e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      886  
   data-arc span      10409 days (28.50 yr)  
   first obs. used      1992-04-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:38  

Additional Information
 Jupiter MOID = .0531266 au 
 T_jup = 2.980 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.280517190864833E-15 -2.077330994953457E-14 -1.429130447963616E-11 -5.022705327421618E-15 -1.296025401975507E-12 -3.053588854013073E-15
q -2.077330994953457E-14 1.362945291247287E-13 8.788536499076008E-11 4.058911473442809E-14 8.231387500110391E-12 2.149102985590988E-14
tp -1.429130447963616E-11 8.788536499076008E-11 4.113841124595635E-7 9.301151483793196E-13 3.502749462642066E-8 3.678391133075836E-11
node -5.022705327421618E-15 4.058911473442809E-14 9.301151483793196E-13 2.136881565715665E-9 -2.118709743331815E-9 -9.629485174608267E-11
peri -1.296025401975507E-12 8.231387500110391E-12 3.502749462642066E-8 -2.118709743331815E-9 5.111570434434968E-9 9.883809577592246E-11
i -3.053588854013073E-15 2.149102985590988E-14 3.678391133075836E-11 -9.629485174608267E-11 9.883809577592246E-11 2.451209319897123E-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 12.0   n/a MPO263489  
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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