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4716 Urey (1989 UL5)
Classification: Main-belt Asteroid          SPK-ID: 2004716
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337741771790939 3.2069e-08  
a 3.181256839952718 1.6775e-08 au
q 2.755686823792679 9.7735e-08 au
i 10.13672937426205 5.0039e-06 deg
node 20.13794457168703 1.8797e-05 deg
peri 100.9260083471052 2.691e-05 deg
M 65.44001659553511 1.8454e-05 deg
tp 2458623.763735649897
(2019-May-20.26373565)
0.0001058 TDB
period 2072.509486119089
5.67
1.6393e-05
4.488e-08
d
yr
n .1737024618758796 1.3739e-09 deg/d
Q 3.606826856112757 1.9019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2301  
   data-arc span      24127 days (66.06 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:49:17  

Additional Information
 Earth MOID = 1.79412 au 
 Jupiter MOID = 1.55203 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456935.5 (2014-Oct-05.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353555260602471 3.2059e-08  
q 2.749790504469031 9.7848e-08 au
tp 2456550.740461602619
(2013-Sep-15.24046160)
0.00010348 TDB
node 20.16741996249281 1.8798e-05 deg
peri 100.9437194558367 2.6744e-05 deg
i 10.13881132676719 5.0046e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2301  
   data-arc span      24127 days (66.06 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:49:17  

Additional Information
 Jupiter MOID = 1.55203 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.02778939273498E-15 -3.107090894550992E-15 6.941405530831729E-13 4.140509430998363E-16 1.274868232060956E-13 -8.052964306763182E-17
q -3.107090894550992E-15 9.57418156840904E-15 -2.243441619994176E-12 -6.001774653861166E-16 -4.058085978571762E-13 6.915724709300753E-16
tp 6.941405530831729E-13 -2.243441619994176E-12 1.07088039372246E-8 -6.115926227328079E-12 1.978341007648104E-9 1.003230177799483E-12
node 4.140509430998363E-16 -6.001774653861166E-16 -6.115926227328079E-12 3.533517929289034E-10 -3.484711367046023E-10 -8.449059781225122E-12
peri 1.274868232060956E-13 -4.058085978571762E-13 1.978341007648104E-9 -3.484711367046023E-10 7.152188234612938E-10 8.54717523324858E-12
i -8.052964306763182E-17 6.915724709300753E-16 1.003230177799483E-12 -8.449059781225122E-12 8.54717523324858E-12 2.504622695392445E-11

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 11.6   n/a MPO279564  
diameter diameter 15.409 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.9260 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Shevchenko, V.G.; Velichko, F.P.; Checha, V.A.; Krugly, Y.N. (2014) Minor Planet Bull. 41, 195-198.]
[Clark, M. (2015) Minor Planet Bull. 42, 15-20.]
geometric albedo albedo 0.155   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4716 Urey           Discovered 1989 Oct. 30 by S. J. Bus at Cerro Tololo.
Winner of the 1934 Nobel Prize in chemistry for his discovery of deuterium, Harold Urey (1893-1981) was also one of the founders of planetary science as we know it today. His classic book The Planets (1952) discussed planetary objects and meteorites in the context of chemical and physical relationships.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

[ 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
1903-Jul-20 08:20 00:03 Jupiter 1.59289311679113 1.59289257352376 1.59289366005842 2.93839635821214 2.75148526215052 2416315.847149862 2.94959095154534 282.858148011539 14.8252657162208 -86.9571703354149 1606755.72739204 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
1914-Jul-02 22:29 00:03 Jupiter 1.6487684490825 1.64876764593556 1.64876925223151 2.07557873186098 1.81123334291158 2420316.436956730 2.72119931053255 178.080684050624 62.8772519475731 -61.4603597164379 1638914.57493022 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
1925-May-14 07:36 00:02 Jupiter 1.83761286129583 1.83761190285094 1.83761381974051 1.9270417409937 1.67081334237804 2424284.816458966 2.42976609426637 109.354061372547 16.9477046552821 76.831073699727 2325971.76326776 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2023-Dec-19 19:30 < 00:01 Jupiter 1.98345452074732 1.9834540445029 1.98345499699184 4.27546457122146 4.17438727658987 2460298.312607263 0.322327033060709 52.6991730371167 17.609230563747 -75.6457280901118 3558205.87997183 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2034-Nov-21 09:49 < 00:01 Jupiter 1.68480434121519 1.68480381699351 1.68480486543822 3.56385613538504 3.41988096687389 2464287.909037261 0.589426161516413 157.412422344901 16.6485262599137 -84.1856068201172 2647313.30152858 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2045-Nov-13 16:47 < 00:01 Jupiter 1.56358738866426 1.5635869314863 1.5635878458439 2.90572980481184 2.71290082232573 2468298.199066623 0.940219662659497 283.415809725031 15.2218448412391 -86.8849310193243 2422453.20863467 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2056-Oct-31 07:51 00:02 Jupiter 1.65812843902316 1.65812761505246 1.65812926299461 2.17635624277626 1.92739865424327 2472302.826805707 1.49317609540253 129.781381789646 47.5323779036412 -72.7698791811827 2209997.08163801 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2067-Sep-12 14:37 00:02 Jupiter 1.87585154822649 1.87585040041822 1.87585269603424 2.08431195863488 1.85506759973406 2476271.108899334 2.04795360356079 84.2276670232391 21.8878092055252 83.1075694725241 1952237.07317951 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2166-Apr-06 05:46 00:04 Jupiter 1.92320539139692 1.92320239405119 1.92320838874953 3.95498688420881 3.84201466438454 2512270.740111399 4.46232484751957 241.080102774134 26.6305008787495 -54.885856981403 2305122.00486074 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2177-Mar-09 09:00 00:04 Jupiter 1.6287343147651 1.62873236562195 1.6287362639264 3.39082318839765 3.23381861486458 2516260.875092366 4.41683326233728 335.268359617889 36.6768176273196 -76.5585589920422 1481093.50636023 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2188-Mar-07 15:21 00:05 Jupiter 1.53077968114617 1.53077904798799 1.53078031437405 2.87696921518601 2.67774099506641 2520277.139503644 4.63453665607459 737.574012806235 16.986510173982 -86.2766510443067 2419997.0628962 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49
2199-Feb-24 04:02 00:06 Jupiter 1.66737800540417 1.66737533896553 1.66738067185371 2.27120058835137 2.03527853691571 2524282.667972335 5.6491299859667 283.582456950542 64.3546486285863 -48.8681088042527 2274645.39690062 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:22 2020-Nov-13 03:49

Alternate Designations
 1989 UL5 = 1969 EA1 = 1978 RN16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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