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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06081808811079233 5.7242e-08  
a 5.192532398758676 1.0011e-07 au
q 4.876732505812827 3.6974e-07 au
i 7.249697917374241 4.8969e-06 deg
node 49.03226777425571 4.5715e-05 deg
peri 9.946427570506373 6.9532e-05 deg
M 325.0497750377237 5.4118e-05 deg
tp 2459816.079947305948
(2022-Aug-24.57994731)
0.00065477 TDB
period 4321.82571623434
11.83
0.00012499
3.422e-07
d
yr
n .08329812991942498 2.409e-09 deg/d
Q 5.508332291704525 1.062e-07 au
  Orbit Determination Parameters
   # obs. used (total)      927  
   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      .55234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:31:43  

Additional Information
 Earth MOID = 3.88884 au 
 Jupiter MOID = .0509907 au 
 T_jup = 2.980 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457534.5 (2016-May-26.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05891397975200786 5.7278e-08  
q 4.890994483074773 3.6916e-07 au
tp 2455490.074003841657
(2010-Oct-20.57400384)
0.00063759 TDB
node 49.07287845855429 4.5669e-05 deg
peri 9.624689159096709 7.0938e-05 deg
i 7.252164965505949 4.8976e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      927  
   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      .55234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:31:43  

Additional Information
 Jupiter MOID = .0509907 au 
 T_jup = 2.980 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.280820831208309E-15 -2.078647758681881E-14 -1.442185533556283E-11 -3.515290729442282E-15 -1.308381917575802E-12 -2.8755920108797E-15
q -2.078647758681881E-14 1.362791141140408E-13 8.780077566997049E-11 3.138880250831453E-14 8.235085946977783E-12 2.002946063658029E-14
tp -1.442185533556283E-11 8.780077566997049E-11 4.065234709840771E-7 -1.898090800050294E-11 3.464979276559828E-8 3.402455993606349E-11
node -3.515290729442282E-15 3.138880250831453E-14 -1.898090800050294E-11 2.085651618724496E-9 -2.069609908947754E-9 -1.01373150701525E-10
peri -1.308381917575802E-12 8.235085946977783E-12 3.464979276559828E-8 -2.069609908947754E-9 5.032193766269515E-9 1.036248207036002E-10
i -2.8755920108797E-15 2.002946063658029E-14 3.402455993606349E-11 -1.01373150701525E-10 1.036248207036002E-10 2.398678425748021E-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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