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5776 (1989 UT2)
Classification: Main-belt Asteroid          SPK-ID: 2005776
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674475674837377 5.7783e-08  
a 2.577046374914522 1.5933e-08 au
q 2.145526228142301 1.5207e-07 au
i 12.18462906224715 4.9336e-06 deg
node 224.3080915036461 2.7784e-05 deg
peri 57.69809453433504 3.1744e-05 deg
M 262.3412357171729 2.0196e-05 deg
tp 2458010.411876690730
(2017-Sep-13.91187669)
8.7072e-05 JED
period 1511.060238088761
4.14
1.4014e-05
3.837e-08
d
yr
n .2382433148100965 2.2095e-09 deg/d
Q 3.008566521686743 1.8601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      11645 days (31.88 yr)  
   first obs. used      1984-06-01  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:53:24  

Additional Information
 Earth MOID = 1.15689 au 
 Jupiter MOID = 2.15476 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO358687  
rotation period rot_per 4.34079 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 sidereal period (not synodic); Incomplete or inconclusive result.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2015) Astron. Astrophys. 586, A108.]

5776 (1989 UT2)          Discovered 1989-Oct-29 by Hioki and Kawasato at Okutama
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 UT2 = 1984 LH = 1988 JE2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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