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JPL Small-Body Database Browser
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305898 (2009 FG31)
Classification: Main-belt Asteroid          SPK-ID: 2305898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09062759494870012 6.1954e-08  
a 2.779761705672848 4.3693e-08 au
q 2.527838587757221 1.8703e-07 au
i 8.635549921457116 7.1062e-06 deg
node 183.5625099527845 3.8899e-05 deg
peri 51.20890820275222 5.4415e-05 deg
M 22.87558596215064 3.943e-05 deg
tp 2458492.932888884913
(2019-Jan-09.43288889)
0.00018429 TDB
period 1692.816090722368
4.63
3.9912e-05
1.093e-07
d
yr
n .2126633849790374 5.0141e-09 deg/d
Q 3.031684823588475 4.7653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      4168 days (11.41 yr)  
   first obs. used      2006-09-26  
   last obs. used      2018-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53942  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:50:08  

Additional Information
 Earth MOID = 1.52821 au 
 Jupiter MOID = 1.96882 au 
 T_jup = 3.311 
[ 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 16.3   n/a MPO437358  

305898 (2009 FG31)          Discovered 2009-Mar-24 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 FG31 = 2006 SG192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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