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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01780007313707242 4.7194e-08  
a 2.880861103733879 2.1466e-08 au
q 2.829581565389669 1.3996e-07 au
i .9450447732091616 4.8229e-06 deg
node 303.8250061212773 0.00031175 deg
peri 300.030713195439 0.00034324 deg
M 78.27106104719032 0.00014341 deg
tp 2457212.188165003980
(2015-Jul-08.68816500)
0.00071189 JED
period 1786.001859797008
4.89
1.9962e-05
5.465e-08
d
yr
n .2015675392638822 2.2529e-09 deg/d
Q 2.932140642078089 2.1848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1452  
   data-arc span      22590 days (61.85 yr)  
   first obs. used      1953-10-08  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47723  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:29:10  

Additional Information
 Earth MOID = 1.81577 au 
 Jupiter MOID = 2.04492 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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