+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   249332 (2008 UB359) Classification: Main-belt Asteroid          SPK-ID: 2249332 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1305014104381662 4.631e-08   a 3.180266043765411 5.5186e-08 au q 2.765236839485418 1.6415e-07 au i 14.29055513065405 5.2642e-06 deg node 154.1775107089839 2.3489e-05 deg peri 316.0070337503967 3.5635e-05 deg M 317.1641803687995 2.9443e-05 deg tp 2459246.989364798620 (2021-Feb-01.48936480) 0.0001735 TDB period 2071.541343004213 5.67 5.392e-05 1.476e-07 d yr n .1737836424147427 4.5234e-09 deg/d Q 3.595295248045404 6.2388e-08 au   Orbit Determination Parameters    # obs. used (total)      256      data-arc span      5311 days (14.54 yr)      first obs. used      2005-04-16      last obs. used      2019-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5924      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 02:45:39   Additional Information  Earth MOID = 1.8005 au   Jupiter MOID = 1.54561 au   T_jup = 3.138  [ 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 15.4   n/a MPO418331   diameter diameter 5.172 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.050   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   249332 (2008 UB359)          Discovered 2008-Oct-27 by Mt. Lemmon Survey at Mount Lemmon Reference: 20100824/Numbers.arc Last Updated: 2010-08-27 [ 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 1939-Aug-31 01:18 00:07 Jupiter 1.81563811111775 1.8156334011495 1.81564282117363 4.33027581175473 4.22116790628721 2429506.554099511 7.45925553799948 683.524424497684 26.5558990783724 70.4339651559384 2843567.05474568 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:45:49 2019-Nov-08 02:46 1950-Aug-23 04:04 00:06 Jupiter 1.62476277924991 1.62476167055116 1.6247638880352 4.02032192534153 3.88848902869353 2433516.669725659 5.73058381573222 678.576491114098 23.3791075325711 86.482940778497 2608698.02830191 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:45:49 2019-Nov-08 02:46 1961-Aug-27 00:13 00:05 Jupiter 1.69116563103935 1.69116370535699 1.69116755675151 3.46904971679219 3.32153628981857 2437538.508922323 4.79247141183998 397.768514128439 35.8216754538253 -74.4582173740208 2198446.17024842 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:45:49 2019-Nov-08 02:46 1972-Jul-21 09:03 00:04 Jupiter 1.93998318468264 1.9399808250936 1.9399855442794 2.57413033422901 2.39852461323154 2441519.877205911 4.34522721880716 264.999258296616 70.5100892990352 57.6940501274089 2374517.69388005 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:45:49 2019-Nov-08 02:46 2081-Oct-01 06:08 00:05 Jupiter 1.71341317548612 1.71341094418259 1.71341540683825 4.1295211772161 4.00802307758292 2481403.755533299 4.71146959838544 489.413196514582 25.4360471047037 77.3758256195412 2650398.44436903 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:45:49 2019-Nov-08 02:46 2092-Oct-03 19:54 00:05 Jupiter 1.5972869611042 1.59728627472537 1.5972876475227 3.89021440878268 3.75142528057147 2485424.329089493 5.43042173058272 623.645678699569 24.6331653023976 -87.3412419791237 2555709.62227868 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:45:49 2019-Nov-08 02:46 2103-Oct-06 18:53 00:07 Jupiter 1.74866616062487 1.74866240812732 1.74866991315692 3.35998385909553 3.21258889603071 2489443.286931833 7.17810466257519 448.915446122852 50.1942300906133 -62.0812674083656 2153426.84743471 T 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:45:49 2019-Nov-08 02:46 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 15:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin