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59049 (1998 TC31)
Classification: Jupiter Trojan          SPK-ID: 2059049
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221963371178802 7.2489e-08  
a 5.149362646451436 1.3768e-07 au
q 4.520129392563438 4.1961e-07 au
i 24.20668509264255 7.7664e-06 deg
node 226.1394769442535 1.8018e-05 deg
peri 220.2801485242862 3.8651e-05 deg
M 266.7601105028068 4.0661e-05 deg
tp 2460105.921465732224
(2023-Jun-10.42146573)
0.00051355 TDB
period 4268.041605471663
11.69
0.00017117
4.686e-07
d
yr
n .08434781880721996 3.3828e-09 deg/d
Q 5.778595900339436 1.545e-07 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      11193 days (30.64 yr)  
   first obs. used      1989-03-05  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:21:07  

Additional Information
 Earth MOID = 3.56959 au 
 Jupiter MOID = .196898 au 
 T_jup = 2.812 
[ 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 11.7   n/a MPO385196  
rotation period rot_per 6.173 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Ryan, E.L.; Sharkey, B.N.L.; Woodward, C.E. (2017) Astron. J. 153, A116.]
[Szabo, Gy.M.; Pal, A.; Kiss, Cs.; Kiss, L.L.; et al. (2017) Astron. Astrophys. 599, A44.]

59049 (1998 TC31)          Discovered 1998-Oct-10 by LONEOS at Anderson Mesa
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TC31 = 1999 TG291 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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