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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 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8261262310683198 1.3276e-07  
a 1.701128763829462 3.3786e-09 au
q .2957816696051185 2.2583e-07 au
i 38.98192649560115 3.9873e-05 deg
node 181.7315415517338 5.8949e-06 deg
peri 123.3136635268795 2.2405e-05 deg
M 299.1600428044794 7.6554e-06 deg
tp 2459337.459009947578
(2021-May-02.95900995)
1.7504e-05 TDB
period 810.4089130548909
2.22
2.4143e-06
6.61e-09
d
yr
n .4442201883527611 1.3234e-09 deg/d
Q 3.106475858053805 6.1697e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:57:37  

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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