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5582 (1989 CU8)
Classification: Main-belt Asteroid          SPK-ID: 2005582
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01981796928992547 4.9725e-08  
a 2.895476603031678 2.9084e-08 au
q 2.838094136633098 1.4116e-07 au
i 2.092930609282468 9.415e-06 deg
node 18.23830462226839 0.00015944 deg
peri 60.41495397834309 0.00030998 deg
M 278.7148490719636 0.0002679 deg
tp 2458006.837807098617
(2017-Sep-10.33780710)
0.0013411 JED
period 1799.610493249972
4.93
2.7115e-05
7.424e-08
d
yr
n .2000432878949627 3.0141e-09 deg/d
Q 2.952859069430257 2.9661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      11430 days (31.29 yr)  
   first obs. used      1984-02-26  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53387  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:51:55  

Additional Information
 Earth MOID = 1.85215 au 
 Jupiter MOID = 2.08093 au 
 T_jup = 3.288 
[ 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 12.8 mag n/a MPO340736  
rotation period rot_per 4.4996 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

5582 (1989 CU8)          Discovered 1989-Feb-13 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 CU8 = 1984 DB2 = 1986 RM5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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