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72721 (2001 FX91)
Classification: Main-belt Asteroid          SPK-ID: 2072721
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05534074817476622 4.6966e-08  
a 2.776486980731461 1.7292e-08 au
q 2.622834113920284 1.2634e-07 au
i 12.79114708912722 6.6394e-06 deg
node 25.35923709893783 1.6799e-05 deg
peri 126.1858366085865 5.7339e-05 deg
M 108.3541559626238 5.3963e-05 deg
tp 2458691.889921700030
(2019-Jul-27.38992170)
0.00025237 TDB
period 1689.825614544479
4.63
1.5787e-05
4.322e-08
d
yr
n .2130397343379389 1.9902e-09 deg/d
Q 2.930139847542638 1.8249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      9363 days (25.63 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62489  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:03:40  

Additional Information
 Earth MOID = 1.64874 au 
 Jupiter MOID = 2.06368 au 
 T_jup = 3.297 
[ 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 15.26   n/a MPCxxxxx  

72721 (2001 FX91)          Discovered 2001-Mar-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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