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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 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8261262310277441 1.3274e-07  
a 1.701128763827329 3.3749e-09 au
q .2957816696737723 2.2579e-07 au
i 38.9819263613617 3.9873e-05 deg
node 181.7315416381411 5.8947e-06 deg
peri 123.3136634711706 2.2402e-05 deg
M 299.1600427867363 7.6556e-06 deg
tp 2459337.459009987262
(2021-May-02.95900999)
1.7502e-05 TDB
period 810.4089130533667
2.22
2.4117e-06
6.603e-09
d
yr
n .4442201883535965 1.3219e-09 deg/d
Q 3.106475857980886 6.1629e-09 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   # 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35146  
   source      ORB  
   producer      Giorgini  
   solution date      2021-Mar-26 15:44:49  

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 17.7   n/a MPO229967  
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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