+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146507 (2001 SP58) Classification: Main-belt Asteroid          SPK-ID: 2146507 [ 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 .1158562322718479 4.045e-08   a 2.753034744225892 1.5164e-08 au q 2.434078511446389 1.1149e-07 au i 4.561652790401623 5.0553e-06 deg node 181.7086534416917 5.2354e-05 deg peri 134.00118524 5.6372e-05 deg M 86.31131314034165 2.0699e-05 deg tp 2458600.480476045322 (2019-Apr-26.98047605) 9.5576e-05 TDB period 1668.460638404719 4.57 1.3785e-05 3.774e-08 d yr n .2157677512513632 1.7827e-09 deg/d Q 3.071990977005394 1.692e-08 au   Orbit Determination Parameters    # obs. used (total)      788      data-arc span      6975 days (19.10 yr)      first obs. used      2001-09-17      last obs. used      2020-10-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53564      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 14:27:11   Additional Information  Earth MOID = 1.42339 au   Jupiter MOID = 2.20059 au   T_jup = 3.330  [ 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 15.2   n/a MPO359750   diameter diameter 5.065 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.075   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   146507 (2001 SP58)          Discovered 2001-Sep-17 by LINEAR at Socorro Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ 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 2002-Dec-24 00:41 < 00:01 Inter 0.0243497024863407 0.024348857688947 0.0243505473334047 5.60432571983195 5.60432561255617 2452632.528339234 0.681671065108146 113.831637008172 36.0113652999348 -78.3392441153928 99228.3420696617 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 14:27:13 2020-Nov-12 14:27 2046-Jul-22 11:45 00:02 Iris 0.0415433036407632 0.0415373189936527 0.04154928969145 4.65875645293029 4.65875642322717 2468548.989825404 1.61424950297459 489.397803015189 57.5478143294821 -52.9583666802854 86502.9278899272 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 14:27:13 2020-Nov-12 14:27 2158-Apr-05 00:43 < 00:01 Inter 0.03824621360708 0.0382212936500716 0.0382711449441718 5.53180341245291 5.53180334325969 2509347.530112212 0.941459210075379 1620.3479259041 33.4987610049459 -39.9493545492138 109650.847741582 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 14:27:13 2020-Nov-12 14:27 2184-Jan-01 07:44 00:03 Juno 0.0364525005772017 0.0364285031250685 0.0364765422976813 6.32615184773202 6.32615179497515 2518749.822023595 2.85849676640107 2334.49957472844 48.3826224967552 59.1634552746715 96744.1290063462 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 14:27:13 2020-Nov-12 14:27 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 05:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin