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18459 (1995 FD1)
Classification: Main-belt Asteroid          SPK-ID: 2018459
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644494492265718 5.9302e-08  
a 2.382173881434437 1.9348e-08 AU
q 1.990426698670619 1.4374e-07 AU
i 1.823686960480434 7.2334e-06 deg
node 347.3709243368265 0.00019069 deg
peri 243.8722812952316 0.0001916 deg
M 42.87362655804024 2.4629e-05 deg
tp 2456640.563961415825
(2013-Dec-14.06396142)
9.1096e-05 JED
period 1342.946200558939
3.68
1.6361e-05
4.479e-08
d
yr
n .268067328274332 3.2659e-09 deg/d
Q 2.773921064198255 2.253e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      1995-03-27  
   last obs. used      2013-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5294  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 22:30:52  

Additional Information
 Earth MOID = .980841 AU 
 T_jup = 3.518 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO263512  

18459 (1995 FD1)          Discovered 1995-Mar-28 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 FD1 = 1999 LQ22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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