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JPL Small-Body Database Browser
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305886 (2009 FQ18)
Classification: Main-belt Asteroid          SPK-ID: 2305886
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178437166847592 5.692e-08  
a 2.970097412611971 5.5267e-08 au
q 2.620090094593989 1.6642e-07 au
i 10.91920230982158 9.4829e-06 deg
node 348.1636330543458 3.3205e-05 deg
peri 278.557199931198 5.3876e-05 deg
M 279.5163102612102 4.4664e-05 deg
tp 2459018.484179720496
(2020-Jun-17.98417972)
0.00023376 TDB
period 1869.624829424989
5.12
5.2185e-05
1.429e-07
d
yr
n .1925519999168601 5.3745e-09 deg/d
Q 3.320104730629952 6.178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5988 days (16.39 yr)  
   first obs. used      2002-11-07  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53538  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:03:56  

Additional Information
 Earth MOID = 1.63251 au 
 Jupiter MOID = 1.915 au 
 T_jup = 3.225 
[ 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 15.6   n/a MPO455253  

305886 (2009 FQ18)          Discovered 2009-Mar-19 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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