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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670752867806465 3.835e-08  
a 2.576298665866111 1.0104e-08 au
q 2.145862827433934 1.0095e-07 au
i 12.18976804544954 3.7099e-06 deg
node 224.2744391729949 1.8312e-05 deg
peri 58.00600415549219 2.0793e-05 deg
M 235.6508572663201 1.1746e-05 deg
tp 2459522.214653020428
(2021-Nov-03.71465302)
5.069e-05 TDB
period 1510.402653033199
4.14
8.8853e-06
2.433e-08
d
yr
n .2383470389680831 1.4021e-09 deg/d
Q 3.006734504298288 1.1792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2174  
   data-arc span      13114 days (35.90 yr)  
   first obs. used      1984-06-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:25:39  

Additional Information
 Earth MOID = 1.15764 au 
 Jupiter MOID = 2.16323 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. 2019-August); 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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