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231937 (2001 FO32)
Classification: Apollo [NEO, PHA]          SPK-ID: 2231937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 66 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8261262361186426 1.2868e-07  
a 1.701128763694185 2.5626e-09 au
q .2957816609903481 2.1888e-07 au
i 38.98192777725522 3.8422e-05 deg
node 181.7315414108268 4.2547e-06 deg
peri 123.3136644432313 2.2204e-05 deg
M 299.1600432921493 5.0246e-06 deg
tp 2459337.459008833429
(2021-May-02.95900883)
1.1424e-05 TDB
period 810.4089129582229
2.22
1.8312e-06
5.014e-09
d
yr
n .444220188405749 1.0038e-09 deg/d
Q 3.106475866398021 4.6796e-09 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      7304 days (20.00 yr)  
   first obs. used      2001-03-23  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-14 05:53:45  

Additional Information
 Earth MOID = .00375128 au 
 Jupiter MOID = 3.10609 au 
 T_jup = 3.560 
[ 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 17.59   n/a MPCxxxxx  
diameter diameter 0.55 km 0.11 personal communication from Ned Wright (2021-Mar-09) based on a preliminary NEOWISE result

231937 (2001 FO32)          Discovered 2001-Mar-23 by LINEAR at Socorro
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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