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7348 (1993 FJ22)
Classification: Main-belt Asteroid          SPK-ID: 2007348
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057610690583963 2.202e-08  
a 3.091666798193839 1.2831e-08 au
q 2.764688812444509 6.6573e-08 au
i .8712021102805346 8.9595e-07 deg
node 10.9781776029221 6.9354e-05 deg
peri 151.7411216419834 6.9253e-05 deg
M 99.73395040326982 7.3997e-06 deg
tp 2458846.417320246065
(2019-Dec-28.91732025)
3.9354e-05 TDB
period 1985.580275429702
5.44
1.2361e-05
3.384e-08
d
yr
n .1813071999428942 1.1287e-09 deg/d
Q 3.418644783943169 1.4188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2481  
   data-arc span      32281 days (88.38 yr)  
   first obs. used      1933-03-23  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47548  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 19:10:29  

Additional Information
 Earth MOID = 1.77348 au 
 Jupiter MOID = 1.55589 au 
 T_jup = 3.216 
[ 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 12.97   n/a MPO636176  
rotation period rot_per 3.47 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

7348 (1993 FJ22)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1993 FJ22 = 1933 FU = 1978 NM5 = 1991 XF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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