+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14168 (1998 UR15) Classification: Main-belt Asteroid          SPK-ID: 2014168 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1552836342998364 2.9506e-08   a 3.165273600144367 1.6013e-08 au q 2.673758411960622 9.9039e-08 au i .650546303386535 4.8731e-06 deg node 7.760867422172364 0.00028608 deg peri 75.18571071068651 0.00028647 deg M 299.5856545675681 1.5156e-05 deg tp 2459545.685769901706 (2021-Nov-27.18576990) 8.6986e-05 TDB period 2056.910097678629 5.63 1.5609e-05 4.274e-08 d yr n .1750198029589557 1.3281e-09 deg/d Q 3.656788788328111 1.8499e-08 au   Orbit Determination Parameters    # obs. used (total)      2136      data-arc span      11655 days (31.91 yr)      first obs. used      1989-02-15      last obs. used      2021-01-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48833      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:16:28   Additional Information  Earth MOID = 1.6895 au   Jupiter MOID = 1.57641 au   T_jup = 3.185  [ 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 13.22   n/a E2021B10   diameter diameter 12.618 km 4.682 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 5.844 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: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] geometric albedo albedo 0.064   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   14168 (1998 UR15)          Discovered 1998-Oct-23 by Korlevic, K. at Visnjan Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 [ 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 1901-Jan-25 18:03 00:03 Jupiter 1.6177724700651 1.61777203017933 1.6177729099506 1.52100344722682 1.12530210647362 2415410.252108655 2.55121949827481 80.4674545025195 65.4293541166244 67.9549846003657 2780080.3862188 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 1911-Sep-20 14:10 00:02 Jupiter 1.8072984312362 1.8072973396606 1.80729952281159 1.96527725133645 1.71025704072103 2419300.090435112 2.27349525314396 83.2845959383912 11.14623289071 -85.0379701843776 2077447.7733988 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 1986-Sep-22 15:41 < 00:01 Jupiter 1.94035448869292 1.94035382634875 1.94035515103709 3.5654264609322 3.44081477133644 2446696.153411116 0.804769666162881 45.5657126517575 20.5882466876035 68.8110996174897 2566925.04707975 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 1997-Apr-28 07:50 < 00:01 Jupiter 1.6734502099735 1.67344970043513 1.67345071951158 2.04000378197377 1.7746291521662 2450566.826085436 0.58211802427037 49.5845038730055 14.0301163144037 -87.0472799960901 2018820.08824851 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 2007-Dec-13 15:14 < 00:01 Jupiter 1.61089741658599 1.61089714169395 1.61089769147775 1.52085735204892 1.12311681252433 2454448.134415275 0.331126538744622 80.5729578014378 67.8357110563766 65.2121432861338 2861872.94701324 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 2018-Aug-05 17:11 < 00:01 Jupiter 1.81250461247265 1.81250421314039 1.81250501180481 1.99782095273621 1.74832645778684 2458336.215674366 0.298472930116572 46.8197648639353 8.81373812980877 86.8169275038666 3073715.49912421 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 2093-Aug-05 10:21 00:02 Jupiter 1.92654452952941 1.92654368156754 1.92654537749161 3.50641345482375 3.37870055590213 2485729.931134273 1.66125610501427 75.3158248333486 19.8698973110423 70.8922376987137 2516108.04774583 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 2104-Mar-09 09:15 00:02 Jupiter 1.65705457897 1.65705388130367 1.65705527663559 1.99040223469463 1.71446144366889 2489597.885427549 1.93638895510192 62.3350381571315 25.3444302469983 -71.1032505881646 1397079.76457441 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 2114-Oct-24 02:13 00:02 Jupiter 1.60599378071974 1.60599340154777 1.60599415989153 1.52180871400095 1.12297600909482 2493478.592144840 2.15074681821543 82.2234036004542 70.7583341714848 -88.802205195692 2984465.08857983 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 2125-Jun-13 10:20 00:02 Jupiter 1.82217482874866 1.82217369282862 1.8221759646686 2.04883192512476 1.80776912763457 2497363.930722896 2.44712015347677 80.2775217180201 6.49759581350394 84.8308051045696 1991563.8797056 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 2200-Jun-18 23:24 00:04 Jupiter 1.91003265855825 1.9100307514101 1.9100345657102 3.43670381123913 3.30514956996589 2524762.475329367 4.01552497147035 173.812376946769 20.0720122081946 67.6743860915406 2374739.05955495 T 28 CATAB v2.0f-lin.ifort 2021-Feb-24 02:16:33 2021-Feb-24 02:16 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 12:37 UT (server date/time)   Site Manager:   Ryan S. 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