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100816 (1998 FT129)
Classification: Main-belt Asteroid          SPK-ID: 2100816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574144578214329 5.5994e-08  
a 2.440711047557768 1.135e-08 au
q 2.05650784130768 1.3878e-07 au
i 2.948214572269588 4.1465e-06 deg
node 66.68582010816161 0.00011165 deg
peri 74.31900245110319 0.00011303 deg
M 11.82108247810982 1.6668e-05 deg
tp 2459154.767207156330
(2020-Nov-01.26720716)
6.4433e-05 TDB
period 1392.749391116132
3.81
9.7149e-06
2.66e-08
d
yr
n .2584815346510406 1.803e-09 deg/d
Q 2.824914253807855 1.3136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8386 days (22.96 yr)  
   first obs. used      1998-03-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:54  

Additional Information
 Earth MOID = 1.07172 au 
 Jupiter MOID = 2.19513 au 
 T_jup = 3.483 
[ show covariance matrix ]

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 16.5   n/a MPO453462  

100816 (1998 FT129)          Discovered 1998-Mar-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 FT129 = 2000 TM55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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