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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02027245304849547 4.9704e-08  
a 2.894317126900224 2.8909e-08 AU
q 2.835642218837683 1.41e-07 AU
i 2.093081182725666 9.415e-06 deg
node 18.24496514070351 0.00015945 deg
peri 60.6022156194746 0.00030492 deg
M 158.486731260904 0.00026145 deg
tp 2456208.713657773737
(2012-Oct-08.21365777)
0.0013027 JED
period 1798.529636731615
4.92
2.6946e-05
7.377e-08
d
yr
n .2001635072604149 2.9989e-09 deg/d
Q 2.952992034962765 2.9495e-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 = 1.85102 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 12.7 mag n/a MPO263398  
rotation period rot_per 4.4996 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.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

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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