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118363 (1999 FH46)
Classification: Main-belt Asteroid          SPK-ID: 2118363
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06203464874118611 6.4111e-08  
a 2.596326204520738 1.7053e-08 au
q 2.435264020405758 1.6185e-07 au
i 4.280963974639094 7.1956e-06 deg
node 20.39492342275707 5.5521e-05 deg
peri 193.1666046515111 7.6054e-05 deg
M 83.0023397519425 4.7496e-05 deg
tp 2459044.189857581210
(2020-Jul-13.68985758)
0.0002031 TDB
period 1528.049108613183
4.18
1.5055e-05
4.122e-08
d
yr
n .2355945224343782 2.3211e-09 deg/d
Q 2.757388388635719 1.8111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8557 days (23.43 yr)  
   first obs. used      1998-01-01  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:42:06  

Additional Information
 Earth MOID = 1.42964 au 
 Jupiter MOID = 2.20347 au 
 T_jup = 3.410 
[ 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 15.97   n/a E2021B55  

118363 (1999 FH46)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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