+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   413047 (2001 QC177) Classification: Main-belt Asteroid          SPK-ID: 2413047 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .287894159749786 1.5625e-07   a 2.648459296153743 2.4738e-08 au q 1.885983332456052 4.1464e-07 au i 4.964184440322466 2.0203e-05 deg node 163.8421896474776 0.00014527 deg peri 145.8513201088006 0.00016122 deg M 147.9457508914358 4.8536e-05 deg tp 2458353.523693034594 (2018-Aug-23.02369303) 0.00020951 TDB period 1574.303209819518 4.31 2.2057e-05 6.039e-08 d yr n .228672594805464 3.2039e-09 deg/d Q 3.410935259851434 3.186e-08 au   Orbit Determination Parameters    # obs. used (total)      72      data-arc span      6164 days (16.88 yr)      first obs. used      2001-08-24      last obs. used      2018-07-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57044      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 11:14:21   Additional Information  Earth MOID = .874145 au   Jupiter MOID = 1.89962 au   T_jup = 3.326  [ 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 17.4   n/a MPO450426   413047 (2001 QC177)          Discovered 2001-Aug-24 by LINEAR at Socorro Reference: Last Updated: 2014-11-10 [ 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 1942-Dec-31 10:49 00:03 Jupiter 1.88329768776135 1.8832951927776 1.88330018274513 0.861139521555822 n/a 2430724.950800396 3.44124289479572 232.167529946488 124.152547172737 -87.6415517900362 2267333.68472294 F 9 CATAB v2.0e-lin.ifort 2019-Jul-14 11:14:23 2019-Jul-14 11:14 1990-Apr-02 13:49 00:02 Jupiter 1.90829248254071 1.90828952440749 1.90829545156872 0.95857071634676 0.176435903897762 2447984.075510226 1.94164212441657 215638.600482465 3254.40797878839 -7.97312275299242 1709131.25419516 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 11:14:23 2019-Jul-14 11:14 2037-Jul-01 11:34 00:02 Jupiter 1.95561174900463 1.95560846239534 1.9556150355351 1.16227069723725 0.696150154788915 2465240.982164553 1.73849899805421 3946.13657745063 438.470302876916 -2.72662674550872 208502.152778383 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 11:14:23 2019-Jul-14 11:14 2145-Oct-05 10:51 00:05 Jupiter 1.97053287930767 1.97053027021335 1.97053548845597 1.27075594693806 0.868983247344808 2504782.951916221 5.20302219428679 1552.82005743606 860.460494323369 17.6210465956531 310633.12667962 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 11:14:23 2019-Jul-14 11:14 2193-Jan-06 02:54 00:07 Jupiter 1.92783214563114 1.92782963989902 1.9278346514551 1.15393602246873 0.672932224224524 2522042.620876582 6.93079049210659 3404.42874408311 1161.43295156509 11.3946593204673 296008.663893245 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 11:14:23 2019-Jul-14 11:14 Alternate Designations  2001 QC177 = 2014 SP287  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 19:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin