+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22124 (2000 ST183) Classification: Main-belt Asteroid          SPK-ID: 2022124 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .222916755696545 3.365e-08   a 2.233153158385066 6.2076e-09 au q 1.735345901344374 7.6981e-08 au i 2.348677094198572 3.7996e-06 deg node 133.8129224617809 8.6052e-05 deg peri 277.1963317533732 8.6771e-05 deg M 347.1250311467035 1.0024e-05 deg tp 2459244.093313201828 (2021-Jan-29.59331320) 3.3961e-05 TDB period 1218.922774220134 3.34 5.0824e-06 1.391e-08 d yr n .2953427465741855 1.2315e-09 deg/d Q 2.730960415425757 7.5913e-09 au   Orbit Determination Parameters    # obs. used (total)      1338      data-arc span      22072 days (60.43 yr)      first obs. used      1960-09-27      last obs. used      2021-03-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .479      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:01:13   Additional Information  Earth MOID = .747129 au   Jupiter MOID = 2.64619 au   T_jup = 3.606  [ 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 15.46   n/a E2021B10   diameter diameter 2.022 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 4.76 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.] geometric albedo albedo 0.394   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   22124 (2000 ST183)          Discovered 2000-Sep-20 by JPL/GEODSS NEAT at Haleakala Reference: 20010208/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 ST183 = 1987 WC2 = 1990 RS3 = 2000 QV96  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 03:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin