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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 349 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4541254059136399 2.2841e-08  
a 2.194792843617061 8.0166e-09 AU
q 1.198081652613111 5.1005e-08 AU
i 3.854221496415206 4.1553e-06 deg
node 173.2738516651727 5.0911e-05 deg
peri 231.4210155478558 5.1321e-05 deg
M 189.5054713755026 6.8727e-06 deg
tp 2457562.966518704505
(2016-Jun-23.46651870)
2.4828e-05 JED
period 1187.650702736553
3.25
6.507e-06
1.782e-08
d
yr
n .3031194265877144 1.6607e-09 deg/d
Q 3.191504034621011 1.1657e-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-Jul-15 06:16:05  

Additional Information
 Earth MOID = .214094 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. 2015-July); Warner et al., 2009 [Result based on less than full coverage, so that the period may be wrong by 30 percent or so.]
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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