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118358 (1999 FH2)
Classification: Main-belt Asteroid          SPK-ID: 2118358
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307412511180972 4.4057e-08  
a 2.470595509074619 1.5949e-08 au
q 2.147586761211451 1.0667e-07 au
i 2.057909645164395 5.1046e-06 deg
node 177.8375337984293 0.0001366 deg
peri 334.9433564655869 0.00013992 deg
M 229.9507060052319 3.6888e-05 deg
tp 2459712.896785358218
(2022-May-13.39678536)
0.00014906 TDB
period 1418.407105973057
3.88
1.3735e-05
3.76e-08
d
yr
n .2538058350694968 2.4577e-09 deg/d
Q 2.793604256937787 1.8035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      7897 days (21.62 yr)  
   first obs. used      1999-03-09  
   last obs. used      2020-10-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:54  

Additional Information
 Earth MOID = 1.15796 au 
 Jupiter MOID = 2.19776 au 
 T_jup = 3.472 
[ 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 16.6   n/a MPO432686  

118358 (1999 FH2)          Discovered 1999-Mar-16 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 FH2 = 2001 UB217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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