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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671021320804288 1.5262e-08  
a 2.575831778388089 9.7793e-09 au
q 2.145404796338917 4.2214e-08 au
i 12.1905780044865 3.8163e-07 deg
node 224.2668651776156 1.9138e-06 deg
peri 58.07790026314049 7.0197e-06 deg
M 283.2564861830064 9.6242e-06 deg
tp 2459522.394718851325
(2021-Nov-03.89471885)
4.137e-05 TDB
period 1509.992089531046
4.13
8.5992e-06
2.354e-08
d
yr
n .2384118449996676 1.3577e-09 deg/d
Q 3.006258760437261 1.1413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2351  
   data-arc span      13419 days (36.74 yr)  
   first obs. used      1984-06-01  
   last obs. used      2021-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 18:08:03  

Additional Information
 Earth MOID = 1.15549 au 
 Jupiter MOID = 2.16309 au 
 T_jup = 3.376 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO458889  
rotation period rot_per 4.34079 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
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. (2016) 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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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