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362171 (2009 FR12)
Classification: Main-belt Asteroid          SPK-ID: 2362171
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003585655748022 5.0798e-08  
a 2.45593264138694 2.2477e-08 au
q 1.963865500210318 1.3066e-07 au
i 5.310111305436273 9.1199e-06 deg
node 359.6537624109359 7.425e-05 deg
peri 289.0579244074256 7.9414e-05 deg
M 340.6240384246298 3.2284e-05 deg
tp 2459472.163054133160
(2021-Sep-14.66305413)
0.0001267 TDB
period 1405.798591310292
3.85
1.9299e-05
5.284e-08
d
yr
n .2560822028313868 3.5156e-09 deg/d
Q 2.947999782563563 2.6981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6411 days (17.55 yr)  
   first obs. used      2002-07-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 12:01:57  

Additional Information
 Earth MOID = .95522 au 
 Jupiter MOID = 2.25706 au 
 T_jup = 3.459 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.64   n/a E2021B25  

362171 (2009 FR12)          Discovered 2009-Mar-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

Alternate Designations
 2009 FR12 = 2002 NY50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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