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186838 (2004 FG109)
Classification: Main-belt Asteroid          SPK-ID: 2186838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562813267395222 3.0592e-08  
a 2.390275282821063 9.9335e-09 au
q 2.016719890349101 7.3013e-08 au
i 1.798968428329252 5.7409e-06 deg
node 33.02637270583998 0.00010437 deg
peri 250.9126462016726 0.00010613 deg
M 163.0565748715619 1.9507e-05 deg
tp 2458785.127186866051
(2019-Oct-28.62718687)
7.2074e-05 TDB
period 1349.802747307723
3.70
8.4142e-06
2.304e-08
d
yr
n .2667056358553466 1.6626e-09 deg/d
Q 2.763830675293026 1.1486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1994-11-01  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:54  

Additional Information
 Earth MOID = 1.00089 au 
 Jupiter MOID = 2.37576 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457879.5 (2017-May-06.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563199176632276 3.0508e-08  
q 2.016653527239504 7.279e-08 au
tp 2457436.258962421547
(2016-Feb-17.75896242)
7.066e-05 TDB
node 33.06422529122478 0.00010427 deg
peri 251.0652119373292 0.00010604 deg
i 1.799936068774771 5.7432e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1994-11-01  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:54  

Additional Information
 Jupiter MOID = 2.37576 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.307164173712119E-16 -2.205925795868307E-15 -5.850134645149329E-13 1.871270132740252E-15 -1.73175377424218E-13 -1.220827902367412E-16
q -2.205925795868307E-15 5.298436899010476E-15 1.473760549612434E-12 -5.339602654084255E-15 4.385464533419487E-13 3.629852462994626E-16
tp -5.850134645149329E-13 1.473760549612434E-12 4.992836006673967E-9 -1.448340045018192E-11 1.368600603018148E-9 2.312353203197103E-13
node 1.871270132740252E-15 -5.339602654084255E-15 -1.448340045018192E-11 1.08719191215085E-8 -1.086988788097927E-8 -4.231965503506415E-11
peri -1.73175377424218E-13 4.385464533419487E-13 1.368600603018148E-9 -1.086988788097927E-8 1.124390737753841E-8 4.236289906643648E-11
i -1.220827902367412E-16 3.629852462994626E-16 2.312353203197103E-13 -4.231965503506415E-11 4.236289906643648E-11 3.298459641498055E-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 16.74   n/a E2021B55  

186838 (2004 FG109)          Discovered 2004-Mar-24 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 FG109 = 2001 OA62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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