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5626 (1991 FE)
Classification: Amor [NEO]          SPK-ID: 2005626
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 350 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4539056022760381 2.2851e-08  
a 2.195187316940879 8.0546e-09 au
q 1.198779495736109 5.1032e-08 au
i 3.854189062870432 4.1553e-06 deg
node 173.2634735835165 5.0902e-05 deg
peri 231.4042576600957 5.1312e-05 deg
M 11.36237073222888 7.5736e-06 deg
tp 2457563.005094902550
(2016-Jun-23.50509490)
2.4841e-05 JED
period 1187.970904416543
3.25
6.5384e-06
1.79e-08
d
yr
n .3030377247974853 1.6679e-09 deg/d
Q 3.191595138145648 1.1711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1881  
   data-arc span      16380 days (44.85 yr)  
   first obs. used      1970-09-08  
   last obs. used      2015-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48995  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:16:30  

Additional Information
 Earth MOID = .21361 au 
 Jupiter MOID = 2.22842 au 
 T_jup = 3.525 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO240243  
rotation period rot_per 2.4606 h n/a LCDB (Rev. 2016-February); 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:
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5626 (1991 FE)          Discovered 1991-Mar-18 by Spacewatch at Kitt Peak
Reference: DISCOVERY.DBLast Updated: 2013-09-05

[ show close-approach data ]
Alternate Designations
 1991 FE = 1970 RA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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