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9889 (1995 FG1)
Classification: Main-belt Asteroid          SPK-ID: 2009889
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01743954199679978 4.723e-08  
a 2.87972667221425 2.2136e-08 AU
q 2.829505557974866 1.4006e-07 AU
i .9453205643895496 4.9537e-06 deg
node 303.8264662566895 0.00031396 deg
peri 299.212576297686 0.00034827 deg
M 318.0976108928593 0.00015078 deg
tp 2457208.259846059528
(2015-Jul-04.75984606)
0.00074748 JED
period 1784.947020328356
4.89
2.0581e-05
5.635e-08
d
yr
n .2016866584274166 2.3255e-09 deg/d
Q 2.929947786453635 2.2522e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1409  
   data-arc span      22509 days (61.63 yr)  
   first obs. used      1953-10-08  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48232  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:06:54  

Additional Information
 Earth MOID = 1.81754 AU 
 T_jup = 3.294 
[ 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 12.6 mag n/a PDS3 (MPC 33466)  

9889 (1995 FG1)          Discovered 1995-Mar-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990106/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 FG1 = 1953 TJ1 = 1953 UG1 = 1977 RB9 = 1978 WX7 = 1980 FZ9 = 1982 SG5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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