+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5863 Tara (1983 RB) Classification: Amor [NEO]          SPK-ID: 2005863 [ 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 230 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5059235552597159 3.151e-08   a 2.222045133163092 5.3716e-09 au q 1.097860159445672 7.0816e-08 au i 19.49203874222842 4.8271e-06 deg node 168.9000476717633 1.2541e-05 deg peri 115.4948953156097 1.397e-05 deg M 110.5092553796995 7.8532e-06 deg tp 2458829.115398792728 (2019-Dec-11.61539879) 2.5584e-05 TDB period 1209.839447159808 3.31 4.387e-06 1.201e-08 d yr n .2975601439059768 1.079e-09 deg/d Q 3.346230106880512 8.0892e-09 au   Orbit Determination Parameters    # obs. used (total)      1066      data-arc span      13668 days (37.42 yr)      first obs. used      1983-09-07      last obs. used      2021-02-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49878      source      ORB      producer      Otto Matic      solution date      2021-Feb-08 05:24:30   Additional Information  Earth MOID = .234244 au   Jupiter MOID = 2.25437 au   T_jup = 3.404  [ 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 15.7   n/a MPO431565   diameter diameter 1.345 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   rotation period rot_per 5.867 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: [Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.] [Warner, B.D. (2016) Minor Planet Bull. 43, 311-319.] geometric albedo albedo 0.488   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   5863 Tara (1983 RB)          Discovered 1983-Sep-07 by Shoemaker, C. S. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ 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 1930-Aug-19 04:05 < 00:01 Earth 0.241167177171527 0.241166342599779 0.24116801178887 13.2336382469858 13.2328033582576 2426207.670334207 0.193444006642058 178.949619757267 12.9695890998826 -77.2020449419459 2443877.03370118 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 1940-Aug-16 07:18 < 00:01 Earth 0.412335702755602 0.412331893263002 0.412339512265992 9.43575312471866 9.43506826660115 2429857.804264216 0.222750574412714 234.821125816479 38.8541178486768 -36.587022607211 943778.529738274 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 1947-Apr-21 16:17 < 00:01 Mars 0.0507249511594623 0.0507209176558402 0.0507289846860044 13.4700453850761 13.4696263771436 2432297.178236884 0.379834034402497 208.229200602376 13.4721178591956 15.0303765923359 150877.048066511 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 1973-Aug-29 08:08 < 00:01 Earth 0.432458787171907 0.432456437841295 0.432461136505837 19.9589684562773 19.95865975893 2441923.839089247 0.161730877770625 131.789495380699 14.8804000316334 -27.4531430353132 1855962.14083926 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 1983-Aug-17 15:13 < 00:01 Earth 0.237498590071456 0.237498244179619 0.237498935967166 12.1546267225479 12.1537036705086 2445564.133997144 0.0819030625270348 64.9986443954182 11.1454930659464 78.1334596294285 2799192.04903118 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 1993-Aug-20 19:48 < 00:01 Earth 0.498180471955013 0.498179303834365 0.498181640075859 9.48815669749195 9.48759298623188 2449220.325030860 0.117499334522965 79.0663207308079 55.6307784432913 -72.1002431647399 1255401.20993862 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2026-Aug-27 22:36 < 00:01 Earth 0.388368544274779 0.388367309694578 0.388369778856041 18.8181400441677 18.8177754616662 2461280.441692018 0.0831443038055259 69.7272576063714 14.8349622282654 -28.7219236594375 1846090.01878512 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2036-Aug-14 19:01 < 00:01 Earth 0.278471446078531 0.2784703185037 0.27847257365363 10.6381336324217 10.637234166724 2464920.292304107 0.0640453447362087 57.981671066302 10.2843375560955 14.3441840912653 1809325.92405633 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2079-Aug-24 03:22 < 00:01 Earth 0.310158500060268 0.310155320312361 0.310161679831289 16.3965663173722 16.3960423759942 2480634.640193808 0.218219095530397 207.643625972347 14.3691580773611 -40.3342226644046 1893521.52560871 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2089-Aug-14 12:10 < 00:01 Earth 0.309011046542028 0.309007508073588 0.309014585017178 10.2975734965145 10.2967361193567 2484278.006884968 0.0667089178511062 190.676491779195 19.2266424510307 -22.3865159790984 1018786.30910399 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2132-Aug-20 17:53 < 00:01 Earth 0.241644130368165 0.241641891042196 0.241646369780437 14.0529438288736 14.0521591699453 2499989.244845157 0.270015117710066 255.147475581469 13.4767247345904 -64.2130234034984 2178133.5839193 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2142-Aug-16 22:41 < 00:01 Earth 0.396532484190021 0.396526940947339 0.396538027509768 9.8529258703345 9.85224387186293 2503637.445215066 0.216822566650968 391.649231119503 31.5389035189985 -45.2936445886784 1291744.4027966 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2175-Aug-31 09:51 < 00:01 Earth 0.437081859070227 0.437075005168994 0.437088712991782 20.1979765958603 20.1976747779865 2515704.910235455 0.415323853013304 372.783705068795 15.2496929978849 -23.5571092775228 1559741.51135712 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2182-May-31 00:38 < 00:01 Mars 0.0266213144941481 0.0266147476481492 0.0266278815353103 14.4434596295917 14.4427150405277 2518169.526735517 0.629843568254364 346.667020992685 13.959310267791 19.1749268025408 93849.4296122848 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2185-Aug-18 04:40 < 00:01 Earth 0.228735463985184 0.228734728336174 0.228736199695617 12.3447195265443 12.3437758694164 2519344.694733265 0.216911094331973 199.257507806392 10.9497393167904 79.8602923468544 2723300.33331061 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 2195-Aug-20 04:08 < 00:01 Earth 0.483041898648226 0.483039307002261 0.483044490308551 9.86603969020383 9.86548058053627 2522998.672143736 0.197566278251551 188.515150010414 37.5429497161618 -47.9801046775342 1387206.34058706 T 230 CATAB v2.0f-lin.ifort 2021-Feb-08 05:24:33 2021-Feb-08 05:24 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 18:48 UT (server date/time)   Site Manager:   Ryan S. 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