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17461 Shigosenger (1990 UD1)
Classification: Main-belt Asteroid          SPK-ID: 2017461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212548748484278 4.8287e-08  
a 3.004690400396109 1.6985e-08 au
q 2.366047216209192 1.4506e-07 au
i 2.78944248107085 4.7756e-06 deg
node 319.5279854368177 0.00010333 deg
peri 40.96400597845553 0.00010382 deg
M 346.4349740469655 1.2628e-05 deg
tp 2459468.182996147237
(2021-Sep-10.68299615)
6.7086e-05 TDB
period 1902.383283478538
5.21
1.613e-05
4.416e-08
d
yr
n .189236313799885 1.6045e-09 deg/d
Q 3.643333584583027 2.0595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      11218 days (30.71 yr)  
   first obs. used      1990-10-20  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:06:59  

Additional Information
 Earth MOID = 1.36292 au 
 Jupiter MOID = 1.82525 au 
 T_jup = 3.215 
[ 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 14.26   n/a E2021B10  
diameter diameter 6.929 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17461 Shigosenger           Discovered 1990 Oct. 20 by T. Seki at Geisei.
Shigosenger is a team of original characters introduced by Akashi Municipal Planetarium to promote astronomy education for children. The Planetarium is situated on the Japan Standard Time Meridian and "Shigosen" is a Japanese term for the meridian.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

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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
1909-May-18 03:01 00:03 Jupiter 1.81924089088575 1.81924044388095 1.81924133789313 1.67622943181817 1.37060670881557 2418444.625966400 2.75935459722098 287.809430540706 54.4936329476788 -76.451112561117 2292397.15334169 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:02 2021-Jul-09 10:07
1955-Oct-05 10:05 00:02 Jupiter 1.93463019871514 1.93462955708019 1.93463084034988 2.36521170081089 2.17223009377481 2435385.920416018 1.54476853302894 78.3760011058831 11.6788466956692 -86.5026846905138 1858567.4378605 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:02 2021-Jul-09 10:07
1993-Feb-18 16:12 < 00:01 Jupiter 1.84028245527846 1.84028195652634 1.84028295403174 1.55821004282289 1.22779607624347 2449037.174969492 0.605531381623698 137.937242520884 82.0294439962117 -71.1434910991085 1971263.66481227 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:02 2021-Jul-09 10:07
2039-Jul-07 16:45 < 00:01 Jupiter 1.84961238417861 1.84961192644124 1.84961284191651 1.858012343069 1.59258216598053 2465977.197868933 0.687556375343097 114.331838436173 30.5812793959298 -76.2770947340936 2598312.56257546 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:02 2021-Jul-09 10:07
2076-Nov-24 04:13 00:02 Jupiter 1.91908510040492 1.9190845283201 1.9190856724893 1.76912118119671 1.49901768015105 2479631.675628995 1.66825787757317 84.7980344026643 40.3144542435364 88.2618387540774 1707448.6610122 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:02 2021-Jul-09 10:07
2123-Apr-10 04:15 00:03 Jupiter 1.82664598841917 1.8266455320157 1.82664644482575 1.57339966228402 1.24425844937217 2496568.676787696 2.86498863066993 268.231773677178 74.7754454167209 -71.9654286299861 2160569.25852189 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:02 2021-Jul-09 10:07
2169-Aug-26 18:48 00:04 Jupiter 1.91099918855189 1.91099795131505 1.91100042579167 2.17001464370715 1.9551196207687 2513509.282999266 4.06588157399964 178.771025691307 15.0693718032762 -83.8415858841494 1845412.38508517 T 22 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:02 2021-Jul-09 10:07

Alternate Designations
 1990 UD1 = 2000 PR8 
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