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277356 (2005 TG118)
Classification: Main-belt Asteroid          SPK-ID: 2277356
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462377111590259 5.6473e-08  
a 2.324622204411222 1.9038e-08 au
q 1.984674773928676 1.3288e-07 au
i 1.388800855621983 7.8438e-06 deg
node 233.3826305672334 0.00038805 deg
peri 19.97824105654235 0.0003908 deg
M 157.774590206311 4.8927e-05 deg
tp 2458433.136282357862
(2018-Nov-10.63628236)
0.00017442 TDB
period 1294.574354996484
3.54
1.5903e-05
4.354e-08
d
yr
n .2780836794816453 3.4161e-09 deg/d
Q 2.664569634893768 2.1822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:26:56  

Additional Information
 Earth MOID = .970177 au 
 Jupiter MOID = 2.3721 au 
 T_jup = 3.560 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457545.5 (2016-Jun-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461611050191827 5.6347e-08  
q 1.985048631392435 1.3258e-07 au
tp 2457139.193184961553
(2015-Apr-26.69318496)
0.00017253 TDB
node 233.3835045928553 0.00038825 deg
peri 20.14891017283327 0.00039101 deg
i 1.388014323835111 7.8472e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:26:56  

Additional Information
 Jupiter MOID = 2.3721 au 
 T_jup = 3.560 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.175012641380641E-15 -7.413934147981629E-15 -3.353829781393439E-12 3.142896945216151E-14 -9.40437845243851E-13 -4.834569477234073E-16
q -7.413934147981629E-15 1.757736681478253E-14 8.077830785364782E-12 -7.903928362849804E-14 2.278591603205002E-12 1.377494094424393E-15
tp -3.353829781393439E-12 8.077830785364782E-12 2.97655469174102E-8 -1.958469491906479E-10 8.108563141984232E-9 4.269832127686985E-12
node 3.142896945216151E-14 -7.903928362849804E-14 -1.958469491906479E-10 1.50736437858544E-7 -1.507465003797509E-7 -1.5345800613761E-9
peri -9.40437845243851E-13 2.278591603205002E-12 8.108563141984232E-9 -1.507465003797509E-7 1.528889833796222E-7 1.535321565925234E-9
i -4.834569477234073E-16 1.377494094424393E-15 4.269832127686985E-12 -1.5345800613761E-9 1.535321565925234E-9 6.157874709779374E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO437262  

277356 (2005 TG118)          Discovered 2005-Oct-07 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 TG118 = 2004 GO75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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