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48522 (1993 FF54)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048522
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0612494943665126 4.0579e-08  
a 3.207079039931251 2.1276e-08 au
q 3.010647070342021 1.3231e-07 au
i 8.857158552915863 5.7108e-06 deg
node 37.44833370063364 2.5622e-05 deg
peri 43.40416248731281 5.5524e-05 deg
M 2.055132674870465 4.7106e-05 deg
tp 2458988.524317167862
(2020-May-19.02431717)
0.00027451 TDB
period 2097.794401444895
5.74
2.0875e-05
5.715e-08
d
yr
n .1716088095916565 1.7077e-09 deg/d
Q 3.40351100952048 2.2579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      10089 days (27.62 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52174  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:36:59  

Additional Information
 Earth MOID = 2.03302 au 
 Jupiter MOID = 1.81119 au 
 T_jup = 3.171 
[ 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 13.7   n/a MPO365819  
rotation period rot_per 13.206 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

48522 (1993 FF54)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FF54 = 1999 GC54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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