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72720 (2001 FB91)
Classification: Main-belt Asteroid          SPK-ID: 2072720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2757684803394741 3.9127e-08  
a 2.369868294469736 7.9172e-09 au
q 1.716333316299116 9.0047e-08 au
i 8.724266579723919 4.847e-06 deg
node 53.55629673454396 2.419e-05 deg
peri 39.74830426780879 2.6792e-05 deg
M 277.1455694757682 8.7951e-06 deg
tp 2459703.188844248322
(2022-May-03.68884425)
3.2949e-05 TDB
period 1332.55377208954
3.65
6.6777e-06
1.828e-08
d
yr
n .2701579535026899 1.3538e-09 deg/d
Q 3.023403272640357 1.0101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      10537 days (28.85 yr)  
   first obs. used      1992-10-02  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:43:28  

Additional Information
 Earth MOID = .742783 au 
 Jupiter MOID = 2.23189 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456615.5 (2013-Nov-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .277750908275679 3.9608e-08  
q 1.710421727677459 9.1649e-08 au
tp 2457039.140504734985
(2015-Jan-16.64050474)
3.0103e-05 TDB
node 53.78611857567932 2.4115e-05 deg
peri 39.31014830729897 2.6636e-05 deg
i 8.743139290645228 4.855e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      10537 days (28.85 yr)  
   first obs. used      1992-10-02  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:43:28  

Additional Information
 Jupiter MOID = 2.23189 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.568817695914745E-15 -3.625037502792848E-15 -5.057137213331187E-13 2.186089507359788E-14 -2.333021931306034E-13 -4.550765644115989E-15
q -3.625037502792848E-15 8.399490950509384E-15 1.190684673622309E-12 -5.049531254361612E-14 5.416480351353827E-13 1.021842883371221E-14
tp -5.057137213331187E-13 1.190684673622309E-12 9.062011622806958E-10 -1.636105236228473E-11 3.465242430278695E-10 1.10424119809589E-12
node 2.186089507359788E-14 -5.049531254361612E-14 -1.636105236228473E-11 5.815502909784968E-10 -5.798705269837843E-10 -1.72815838719567E-11
peri -2.333021931306034E-13 5.416480351353827E-13 3.465242430278695E-10 -5.798705269837843E-10 7.094966683183126E-10 1.755337806064605E-11
i -4.550765644115989E-15 1.021842883371221E-14 1.10424119809589E-12 -1.72815838719567E-11 1.755337806064605E-11 2.357100023243665E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.02   n/a MPCxxxxx  

72720 (2001 FB91)          Discovered 2001-Mar-26 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FB91 = 1992 UT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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