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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06171429939107647 6.6303e-08  
a 2.594734774458324 1.7295e-08 au
q 2.434602535746966 1.6846e-07 au
i 4.281131282294071 7.629e-06 deg
node 20.41839693309331 5.5695e-05 deg
peri 192.6646037169343 7.6349e-05 deg
M 37.29131390700753 4.7811e-05 deg
tp 2459042.359513737264
(2020-Jul-11.85951374)
0.00020342 TDB
period 1526.644386855108
4.18
1.5263e-05
4.179e-08
d
yr
n .2358113016362645 2.3576e-09 deg/d
Q 2.754867013169682 1.8362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-01-01  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:55  

Additional Information
 Earth MOID = 1.42745 au 
 Jupiter MOID = 2.20665 au 
 T_jup = 3.411 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457335.5 (2015-Nov-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06270372706779913 6.6528e-08  
q 2.433257905024011 1.6955e-07 au
tp 2457511.872177821441
(2016-May-03.37217782)
0.00020521 TDB
node 20.43923694580343 5.5693e-05 deg
peri 191.7996985175554 7.5517e-05 deg
i 4.281279437696104 7.6279e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-01-01  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:55  

Additional Information
 Jupiter MOID = 2.20665 au 
 T_jup = 3.411 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.426031846539019E-15 -1.12318729855282E-14 -6.536264378358863E-12 -7.918727152099995E-15 -1.565336480521452E-12 -1.779623477225429E-15
q -1.12318729855282E-14 2.874775913351709E-14 1.543194016252425E-11 1.995981088978148E-14 3.67748124486961E-12 4.28194622817877E-15
tp -6.536264378358863E-12 1.543194016252425E-11 4.211084951230631E-8 5.395224504630381E-12 1.047517101782388E-8 7.615156429006919E-12
node -7.918727152099995E-15 1.995981088978148E-14 5.395224504630381E-12 3.101731137549331E-9 -3.091211888867167E-9 -1.266004159105634E-10
peri -1.565336480521452E-12 3.67748124486961E-12 1.047517101782388E-8 -3.091211888867167E-9 5.702743615861719E-9 1.281328615407252E-10
i -1.779623477225429E-15 4.28194622817877E-15 7.615156429006919E-12 -1.266004159105634E-10 1.281328615407252E-10 5.818471249165054E-11

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 15.97   n/a E2021B55  

118363 (1999 FH46)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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