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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164512787941394 4.4123e-08  
a 2.382063471714189 1.4388e-08 AU
q 1.990183568929132 1.0152e-07 AU
i 1.823732676365186 6.19e-06 deg
node 347.3690652883205 0.00015775 deg
peri 243.8509558047077 0.00015883 deg
M 96.50381416129596 2.1121e-05 deg
tp 2456640.526609441756
(2013-Dec-14.02660944)
7.8146e-05 JED
period 1342.85283672178
3.68
1.2167e-05
3.331e-08
d
yr
n .2680859660533202 2.429e-09 deg/d
Q 2.773943374499247 1.6755e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      7181 days (19.66 yr)  
   first obs. used      1995-03-27  
   last obs. used      2014-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51483  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:54:03  

Additional Information
 Earth MOID = .982017 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 14.3 mag n/a MPO302178  

18459 (1995 FD1)          Discovered 1995-Mar-28 by Ueda, S., Kaneda, H. at Kushiro
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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