+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   9991 Anezka (1997 TY7) Classification: Main-belt Asteroid          SPK-ID: 2009991 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1577108009024704 3.1835e-08   a 3.199142571060711 1.833e-08 au q 2.694603233977538 9.942e-08 au i 2.177497833952802 3.4217e-06 deg node 80.5976720639145 9.6293e-05 deg peri 114.9020956968956 9.6916e-05 deg M 168.9904907919666 1.2107e-05 deg tp 2458019.410594552209 (2017-Sep-22.91059455) 6.7385e-05 TDB period 2090.012191253987 5.72 1.7963e-05 4.918e-08 d yr n .1722477990829343 1.4804e-09 deg/d Q 3.703681908143884 2.1221e-08 au   Orbit Determination Parameters    # obs. used (total)      1881      data-arc span      15632 days (42.80 yr)      first obs. used      1977-02-19      last obs. used      2019-12-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52708      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 21:53:25   Additional Information  Earth MOID = 1.69434 au   Jupiter MOID = 1.25227 au   T_jup = 3.174  [ 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 13.3   n/a MPO358727   diameter diameter 12.293 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 4.469 h n/a LCDB (Rev. 2019-August); 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 0.097   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   9991 Anezka (1997 TY7)          Discovered 1997-Oct-05 by Klet at Klet Reference: 19990202/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 1904-Jan-09 22:55 00:06 Jupiter 1.37596342501851 1.37596310546162 1.37596374457783 1.29314128166216 0.664111640766366 2416489.454929287 5.71538535531506 513.679737432213 349.999665942667 76.7998400594357 2621529.28072202 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 1915-Sep-30 20:38 00:04 Jupiter 1.3748979662147 1.37489749946518 1.3748984329929 1.284490410583 0.646367877547442 2420771.359581792 3.86933244390301 809.499556274965 249.763383895032 42.6786327773066 2939389.33407471 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 1927-Jun-14 15:53 00:03 Jupiter 1.39261836860095 1.39261765271651 1.39261908451254 1.31625437712636 0.718386799853184 2425046.161800001 2.75443271149433 746.653420637663 173.462129830879 41.4820200295133 2925080.985677 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 1939-Feb-03 05:17 00:02 Jupiter 1.4367354901385 1.43673461978626 1.43673636050348 1.41796701035509 0.911886644763269 2429297.720209215 2.12139297340908 440.105936711241 91.8554280904562 47.6688385476495 2919226.46262628 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 1950-Aug-12 23:16 00:02 Jupiter 1.53029287152675 1.53029187949492 1.53029386356024 1.68717811932885 1.31892491596203 2433506.469442671 1.75702710202089 167.54384344359 32.6734034846578 60.688847399755 2686246.47790365 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 1961-Dec-29 01:44 00:01 Jupiter 1.69937864618572 1.69937763519386 1.69937965717718 2.26486488385888 2.03291699526183 2437662.572366493 1.46434396920831 59.5692087415743 7.59027869715146 -83.0806502179313 1967807.8834173 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 1973-Apr-02 22:49 00:01 Jupiter 1.93148967419186 1.93148880665393 1.93149054172958 3.17897342317292 3.03789490454397 2441775.451008806 1.13859439331992 38.9493947267602 26.0647998585781 -51.7201354971682 1949905.65180277 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2096-Jun-20 20:34 00:02 Jupiter 1.88851142860515 1.8885100177913 1.88851283941846 3.01671724970289 2.86418510931586 2486780.356820817 2.01087578603864 55.8495710653568 29.8536523717787 -34.5031457703059 1265670.77386442 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2107-Sep-30 10:53 00:02 Jupiter 1.6603938705373 1.6603924502318 1.6603952908411 2.15032323440086 1.89832111019032 2490897.953274277 2.21666666561925 49.3838554965995 6.10846499317097 -84.937276399312 972998.761907351 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2119-Feb-24 11:33 00:02 Jupiter 1.50357219306557 1.50357098169633 1.503573404432 1.63517641779167 1.24383347319536 2495062.981055111 2.3452056572915 137.131037131806 71.7916584213461 24.6823735386004 1040800.54933873 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2130-Sep-12 05:47 00:03 Jupiter 1.41790777948286 1.41790682282543 1.41790873613779 1.40085442980311 0.876152576072229 2499280.741099020 2.60021382231025 384.493651309846 126.637753877197 13.2228996966598 1212044.69615805 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2142-May-09 22:15 00:03 Jupiter 1.38263304200824 1.38263231932026 1.38263376469457 1.32094112148654 0.720870533247141 2503538.427381685 3.22202664832131 599.624460652587 170.095740228631 8.55682749882082 1342232.74177492 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2154-Jan-25 12:58 00:04 Jupiter 1.37260823833222 1.37260781061202 1.37260866605125 1.30416993546651 0.683139561574765 2507817.040289557 4.43785113721668 550.057048973541 188.320022287362 1.29326692608451 1596183.54915446 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2165-Oct-13 01:12 00:07 Jupiter 1.38025053430091 1.38025003540309 1.38025103321214 1.32469342028963 0.726268968607361 2512095.549913294 6.50178887248105 385.634842958475 258.991116414344 67.1724587125099 2768783.18328613 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2177-Jun-13 03:09 00:10 Jupiter 1.40798391600043 1.40798182999448 1.40798600212692 1.3967008397461 0.86464010367883 2516356.631462804 9.70275423456713 1130.74636792888 132.247321189492 55.4461064811406 2727017.19454955 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2189-Jan-03 18:35 00:14 Jupiter 1.47496876391642 1.47496351847249 1.47497400967383 1.60217609648524 1.19098229019262 2520579.274087102 14.1577774637708 1528.06471740758 48.6210748154252 66.3652598830712 3026504.58182277 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 2200-Jun-04 17:13 00:19 Jupiter 1.61585281191642 1.61584312415933 1.61586249988127 2.10503400596496 1.83923285208635 2524748.217340002 19.1332574413099 1182.08397254376 6.56294505545089 88.6860375912462 3129385.30224247 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:53:47 2020-Jan-28 21:53 Alternate Designations  1997 TY7 = 1977 DX9 = 1983 GV1 = 1994 BZ  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-15 09:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin