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112P/Urata-Niijima
Classification: Jupiter-family Comet          SPK-ID: 1000113
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.


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:
Orbital Elements at Epoch 2455425.5 (2010-Aug-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .587407344869055 9.6709e-08  
a 3.536625264224123 1.7732e-08 au
q 1.459185607969411 3.4462e-07 au
i 24.20010522204686 1.6322e-05 deg
node 31.92988236979212 2.4344e-05 deg
peri 21.35107724365804 5.699e-05 deg
M 205.5014112561687 1.2239e-05 deg
tp 2456468.067086784024
(2013-Jun-24.56708678)
8.2828e-05 TDB
period 2429.304722417629
6.65
1.827e-05
5.002e-08
d
yr
n .1481905487927963 1.1145e-09 deg/d
Q 5.614064920478835 2.8147e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 6.356228674755308E-11 1.299E-13
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      12251 days (33.54 yr)  
   first obs. used      1986-10-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68358  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-May-26 16:57:37  

Additional Information
 Earth MOID = .485865 au 
 Jupiter MOID = .311482 au 
 T_jup = 2.688 
[ 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
comet total magnitude M1 14.6   1. 34 2 parameter fit from 284 observations, autocmod 2.8
comet total magnitude slope K1 15.   n/a 34 autocmod 2.8
comet nuclear magnitude M2 17.9   0.8 34 from 159 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 34 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 34 autocmod 2.8
diameter diameter 1.8 km n/a DASTCOM value unverified

112P/Urata-Niijima          Discovered 1986-Oct-30 by Urata, T. and Niijima, T. at Ojima
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

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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
1911-Mar-09 03:02 < 00:01 Jupiter 0.264411028849504 0.264407437734196 0.264414622524862 7.31023508655463 6.85803724103642 2419104.626625287 0.728013175719113 1683.74982143829 107.085092465641 85.6793354389388 373649.00742954 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
1970-Oct-23 23:07 00:02 Jupiter 1.01837739417621 1.01837123483642 1.01838355352456 6.29137938155838 6.15775769427218 2440883.463391272 1.76949716104832 342.75686035782 60.1857833095854 26.9563491827828 1234341.25190538 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
1982-May-05 15:45 00:02 Jupiter 0.69600059454296 0.695990934115271 0.696010255049815 8.40067840364385 8.25453977966289 2445095.156511958 1.51919298662161 615.308971646874 104.549015583276 39.6814489314687 564000.666808148 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
1986-Nov-02 20:37 < 00:01 Earth 0.479156094618258 0.479154948170397 0.479157241067399 12.7330779829713 12.7326412566281 2446737.358975180 0.13179920389204 147.380201454982 54.7709968623653 83.1239528440898 1158422.68169323 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2030-Apr-18 14:52 00:05 Jupiter 1.21498010398645 1.21496951448059 1.21499069352271 6.21818673625812 6.10504280973553 2462610.119368068 5.45143375355293 610.912783426016 53.9751922157475 30.6458463005714 1632576.87979339 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2041-Sep-03 04:09 00:02 Jupiter 0.954137111806143 0.954129407139681 0.954144816504606 9.07722789555844 8.97889708704301 2466765.673255551 1.87448548792486 484.949307764865 132.736989465597 39.8707143801098 581011.80900094 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2079-Nov-04 12:33 00:01 Earth 0.453662537789069 0.453654841788269 0.453670249948642 12.2932296605877 12.2927518872796 2480707.023086537 1.01280663806214 4326.65049380547 52.2181153237789 -84.9532021124853 1088708.59513285 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2089-Feb-07 09:36 00:01 Jupiter 0.639766929154355 0.63975959548354 0.639774262861536 6.25565742810754 6.04030961112171 2484089.899913857 1.25567699302762 451.151057599916 140.950421818873 -36.7920031172176 530780.610792297 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2101-Mar-08 05:42 00:06 Jupiter 1.94469040914398 1.94466501234806 1.94471580594001 11.9084092886552 11.8717774077613 2488500.737838602 6.41602110379743 1266.69655844852 127.151661116214 -4.59791705425118 196596.348920332 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2125-Nov-03 12:07 < 00:01 Earth 0.414155286819878 0.414109080032369 0.414201523160488 12.2379990886856 12.2374733764818 2497507.004631088 0.607044078362074 5981.50795131506 71.7968092811687 -67.3462345915812 746857.497042873 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2148-Oct-23 06:32 00:06 Jupiter 1.07300482220095 1.07299810714146 1.07301153728008 5.92889050449266 5.79421751202151 2505896.771971641 5.58147060025652 408.775968269294 48.6632673906758 36.1891729112221 1030921.95518488 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2160-Mar-18 20:20 00:04 Jupiter 0.928011406748452 0.92799179254332 0.928031020969885 9.05963052147072 8.9583172562542 2510061.347520804 4.24282802718941 997.979200060885 162.50790775134 13.3709996434385 191826.65575311 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02
2184-Nov-02 05:54 < 00:01 Earth 0.363665521893463 0.363661345029511 0.363669704462595 10.7605045454147 10.7598236328726 2519055.745640535 0.467855015539845 2508.79030532885 87.081680525781 -85.6693508292312 627752.9682143 T 34 CATAB v2.0f-lin.ifort 2020-May-26 17:02:08 2020-May-26 17:02

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1993.5   112P/1993 U1   1993 XII   1993q 
 1986.9   112P/1986 UD   1986 XVI   1986o 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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