+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   59004 (1998 SO43) Classification: Main-belt Asteroid          SPK-ID: 2059004 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1750886711965368 2.8499e-08   a 3.122034815906841 1.4244e-08 au q 2.575401888560387 8.9037e-08 au i .7699353707126469 3.9481e-06 deg node 227.8714058095817 0.00026414 deg peri 76.95739901302589 0.00026448 deg M 16.49506669028695 1.1753e-05 deg tp 2458908.177700159745 (2020-Feb-28.67770016) 6.5782e-05 TDB period 2014.907157790552 5.52 1.3789e-05 3.775e-08 d yr n .1786682818650355 1.2227e-09 deg/d Q 3.668667743253293 1.6738e-08 au   Orbit Determination Parameters    # obs. used (total)      1236      data-arc span      9088 days (24.88 yr)      first obs. used      1995-12-27      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52253      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:57:26   Additional Information  Earth MOID = 1.56042 au   Jupiter MOID = 1.58138 au   T_jup = 3.192  [ 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 14.5   n/a MPO445616   rotation period rot_per 4.35 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result. Published Reference List: [Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.] 59004 (1998 SO43)          Discovered 1998-Sep-25 by BAO Schmidt CCD Asteroid Program at Xinglong Reference: 20030614/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 1905-May-09 13:05 00:03 Jupiter 1.85113587866707 1.85113472187812 1.85113703545729 2.97697726444469 2.81908770707661 2416975.044937686 2.57137079848443 108.502231365324 13.431579073567 -73.8947875009599 2531267.50515302 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 1967-Nov-29 14:15 00:01 Jupiter 1.78286800258055 1.78286737312773 1.78286863203286 1.83814435014402 1.55839498368134 2439824.093537680 1.12917619779975 59.0154701592547 20.1721718903317 86.1396077680568 2038970.70918607 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 1978-Feb-27 08:24 < 00:01 Jupiter 1.60015631702629 1.60015601040399 1.6001566236485 1.57605328044942 1.1938464007593 2443566.849930677 0.865323049474762 76.0215025752387 48.5947288850409 -43.2013474841413 2980354.01373394 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 1988-May-18 00:41 < 00:01 Jupiter 1.8797789071189 1.87977843907178 1.87977937516603 3.13313884078649 2.98586088593267 2447299.528674506 0.603470096356351 37.3385014829058 14.2095676931585 -79.9643151176469 2970284.00878163 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 2050-Dec-06 08:55 < 00:01 Jupiter 1.756456529995 1.75645604383126 1.75645701615835 1.74789703283632 1.44591723659835 2470146.871561291 0.863299396576051 61.2582719584513 28.960472765272 87.7314103317647 2335540.2375357 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 2061-Mar-05 19:06 00:01 Jupiter 1.61082977157966 1.61082936331386 1.6108301798452 1.62153178055167 1.25606745169176 2473889.295575795 1.14945464422966 81.4831489674528 48.2607916482118 -36.9807878431725 2263395.61375777 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 2071-May-29 09:16 00:01 Jupiter 1.90566524840696 1.90566437564062 1.90566612117351 3.27917082548356 3.1407020316206 2477625.886225418 1.3724642586181 65.1436969029615 16.3764008507419 -66.3789533153512 2486318.32931819 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 2133-Dec-15 20:21 00:03 Jupiter 1.74433449279692 1.74433338337935 1.74433560221351 1.69831818826426 1.38315394634345 2500471.348262076 2.82194147187165 100.726109161385 40.5978705992253 69.0277221509275 1537480.04712118 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 2144-Mar-15 15:14 00:03 Jupiter 1.63065879533422 1.63065810641592 1.63065948425131 1.69047241227964 1.3486383599124 2504214.134960034 3.14219612028405 111.671010066707 49.9146574364302 -21.7694756877115 1273474.96992557 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 2154-Jun-09 02:07 00:03 Jupiter 1.93800826930247 1.93800656428574 1.93800997432164 3.44497656050707 3.31568197945467 2507951.587910921 3.2945607507934 145.59090006977 17.0079056032684 -65.8866173464262 2557446.58093882 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 03:57:29 2020-Dec-18 03:57 Alternate Designations  1998 SO43 = 1999 XT80  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 19:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin