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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304386541978997 4.5338e-08  
a 2.471193473088229 1.6425e-08 au
q 2.148854322195967 1.0919e-07 au
i 2.057498256533962 5.264e-06 deg
node 177.8392636488827 0.00017791 deg
peri 334.9517150259999 0.00018075 deg
M 179.172407667335 3.762e-05 deg
tp 2458294.300870142215
(2018-Jun-24.80087014)
0.00014386 TDB
period 1418.922087718039
3.88
1.4147e-05
3.873e-08
d
yr
n .2537137191084007 2.5295e-09 deg/d
Q 2.793532623980492 1.8568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      7815 days (21.40 yr)  
   first obs. used      1999-03-09  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:03:04  

Additional Information
 Earth MOID = 1.15942 au 
 Jupiter MOID = 2.19865 au 
 T_jup = 3.471 
[ 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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