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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .200298270429567 5.0811e-08  
a 2.455998371167796 2.2702e-08 au
q 1.964066145245053 1.3073e-07 au
i 5.310024996121305 9.1196e-06 deg
node 359.6536379892921 7.4251e-05 deg
peri 289.0303044701153 7.9413e-05 deg
M 290.4499028323794 3.1859e-05 deg
tp 2459472.103760595191
(2021-Sep-14.60376059)
0.00012669 TDB
period 1405.85502819095
3.85
1.9493e-05
5.337e-08
d
yr
n .2560719226243739 3.5505e-09 deg/d
Q 2.947930597090539 2.7249e-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-Apr-14 09:38:30  

Additional Information
 Earth MOID = .953847 au 
 Jupiter MOID = 2.25804 au 
 T_jup = 3.459 
[ show covariance matrix ]

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

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

[ show close-approach data ]
Alternate Designations
 2009 FR12 = 2002 NY50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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