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14551 Itagaki (1997 UN8)
Classification: Main-belt Asteroid          SPK-ID: 2014551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208359919549762 1.0995e-08  
a 2.748406561756154 9.9882e-09 au
q 2.141459472395168 2.9092e-08 au
i 7.069515225217138 1.3004e-06 deg
node 25.51628601532056 3.2305e-06 deg
peri 259.6285894036149 5.124e-06 deg
M 98.07771033035127 5.6539e-06 deg
tp 2458747.093533565465
(2019-Sep-20.59353357)
2.5003e-05 TDB
period 1664.255082695588
4.56
9.0723e-06
2.484e-08
d
yr
n .2163129941696854 1.1792e-09 deg/d
Q 3.355353651117139 1.2194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2662  
   data-arc span      13672 days (37.43 yr)  
   first obs. used      1983-09-06  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:32:08  

Additional Information
 Earth MOID = 1.13725 au 
 Jupiter MOID = 1.875 au 
 T_jup = 3.300 
[ 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 13.55   n/a E2020-QM5  
diameter diameter 10.364 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.94719 h n/a LCDB (Rev. 2020-October); 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:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.084   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14551 Itagaki           Discovered 1997 Oct. 22 by T. Okuni at Nanyo.
Koichi Itagaki (b. 1947), a confectionery manufacturing industry president, is also an amateur astronomer in Yamagata. He is credited with the discovery of supernovae 2001bq and 2001gd.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020128/MPCPages.arcLast Updated: 2003-10-02

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1930-May-19 04:03 00:01 Jupiter 1.8568909234178 1.85689077163361 1.85689107520262 1.47999832747623 1.13052784160188 2426115.668705944 1.44323834182697 130.102464906414 34.89356834276 -28.2460391886556 3485335.61521471 T 35 CATAB v2.0f-lin.ifort 2021-Apr-13 00:33:18 2021-Apr-13 00:33
1989-Oct-01 04:49 < 00:01 Jupiter 1.86099965720747 1.86099952462021 1.86099978979484 1.43266604828848 1.06875831993701 2447800.700640967 0.447866187753085 56.0492607267272 33.7444384032418 -5.9429815190542 4771378.51482664 T 35 CATAB v2.0f-lin.ifort 2021-Apr-13 00:33:18 2021-Apr-13 00:33
2049-Feb-12 05:05 < 00:01 Jupiter 1.86540109196823 1.86540097814386 1.86540120579249 1.39300268240559 1.01602984583573 2469484.711630933 0.579017451097018 87.6360958394151 28.6410450357346 -11.629622322632 3843243.7000932 T 35 CATAB v2.0f-lin.ifort 2021-Apr-13 00:33:18 2021-Apr-13 00:33
2108-Jun-26 07:43 00:02 Jupiter 1.86983642151811 1.86983630932821 1.86983653370812 1.36009771722185 0.971534929977524 2491167.821840989 1.58179550953908 202.106203175618 40.1297098918707 -31.2074198929261 4411967.8383771 T 35 CATAB v2.0f-lin.ifort 2021-Apr-13 00:33:18 2021-Apr-13 00:33
2167-Nov-06 15:26 00:03 Jupiter 1.87424289072406 1.87424275051386 1.87424303093703 1.33367047605664 0.935318817749251 2512850.142787557 2.60019308467029 332.589557608293 46.1455317025578 -39.5824786764054 4978445.28058783 T 35 CATAB v2.0f-lin.ifort 2021-Apr-13 00:33:18 2021-Apr-13 00:33

Alternate Designations
 1997 UN8 = 1983 RY6 = 2000 DK101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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