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4350 Shibecha (1989 UG1)
Classification: Main-belt Asteroid          SPK-ID: 2004350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929661374518315 4.7684e-08  
a 2.627017916435745 1.136e-08 au
q 2.120092416084381 1.2948e-07 au
i 13.69321088978998 4.3549e-06 deg
node 32.37242825646489 1.6475e-05 deg
peri 109.5994165030381 2.0361e-05 deg
M 344.7424603784712 1.1185e-05 deg
tp 2459066.413592786370
(2020-Aug-04.91359279)
4.8416e-05 TDB
period 1555.224105045816
4.26
1.0088e-05
2.762e-08
d
yr
n .2314778936566152 1.5015e-09 deg/d
Q 3.133943416787108 1.3552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2387  
   data-arc span      17366 days (47.55 yr)  
   first obs. used      1972-10-05  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:06:40  

Additional Information
 Earth MOID = 1.17504 au 
 Jupiter MOID = 1.99612 au 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2   n/a MPO452226  
diameter diameter 11.489 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.890 h n/a LCDB (Rev. 2019-August); 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:
[Ferrero, A. (2012) Minor Planet Bull. 39, 138-139.]
[Strabla, L.; Quadri, U.; Girelli, R. (2012) Minor Planet Bull. 39, 177-179.]
geometric albedo albedo 0.176   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4350 Shibecha (1989 UG1)          Discovered 1989-Oct-26 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 UG1 = 1951 YC1 = 1972 TS4 = 1972 VO = 1978 EX6 = 1980 TR1 = 1987 KJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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