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20268 Racollier (1998 FC28)
Classification: Main-belt Asteroid          SPK-ID: 2020268
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292604182255157 3.4452e-08  
a 2.374788152178179 7.9601e-09 au
q 2.067822042430628 8.1188e-08 au
i 6.254442494589494 3.9392e-06 deg
node 182.9544600324018 2.6671e-05 deg
peri 198.1272129074002 2.9345e-05 deg
M 165.9710613487358 1.1961e-05 deg
tp 2458384.237689786346
(2018-Sep-22.73768979)
4.4072e-05 TDB
period 1336.705506815785
3.66
6.7208e-06
1.84e-08
d
yr
n .2693188575676396 1.3541e-09 deg/d
Q 2.68175426192573 8.989e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1692  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1994-02-02  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:03:50  

Additional Information
 Earth MOID = 1.07105 au 
 Jupiter MOID = 2.77498 au 
 T_jup = 3.523 
[ 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 14.7   n/a MPO452457  
rotation period rot_per 5.25974 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

20268 Racollier           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Rachael Theresa Collier (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for her environmental science project. She attends the Mediapolis High School, Mediapolis, Iowa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040415/MPCPages.arcLast Updated: 2004-04-20

[ show close-approach data ]
Alternate Designations
 1998 FC28 = 1996 TQ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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