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74815 (1999 TG8)
Classification: Main-belt Asteroid          SPK-ID: 2074815
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333487666646795 4.117e-08  
a 2.290540779963083 9.09e-09 au
q 1.985099991959853 9.4196e-08 au
i 6.38658314139678 5.2044e-06 deg
node 341.719090660664 4.0842e-05 deg
peri 87.6966847631922 4.5868e-05 deg
M 309.7603540667724 2.1593e-05 deg
tp 2459177.205284841535
(2020-Nov-23.70528484)
7.6413e-05 TDB
period 1266.209213088417
3.47
7.5374e-06
2.064e-08
d
yr
n .2843132053366776 1.6924e-09 deg/d
Q 2.595981567966313 1.0302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      1999-10-01  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5793  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:30:35  

Additional Information
 Earth MOID = 1.01134 au 
 Jupiter MOID = 2.66801 au 
 T_jup = 3.579 
[ 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 14.8   n/a MPO395679  

74815 (1999 TG8)          Discovered 1999-Oct-07 by Juels, C. W. at Fountain Hills
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TG8 = 2001 FF54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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