+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26203 (1997 KS) Classification: Main-belt Asteroid          SPK-ID: 2026203 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1339912496249906 3.4579e-08   a 2.458530613083197 9.4892e-09 au q 2.129109023994885 8.6835e-08 au i 5.728638159258518 4.3442e-06 deg node 224.7710955211763 3.909e-05 deg peri 74.72458724312091 4.2599e-05 deg M 330.5212776723361 1.7877e-05 deg tp 2459115.797001544776 (2020-Sep-23.29700154) 7.0148e-05 TDB period 1408.029835715368 3.85 8.1519e-06 2.232e-08 d yr n .255676400363418 1.4803e-09 deg/d Q 2.787952202171509 1.0761e-08 au   Orbit Determination Parameters    # obs. used (total)      1852      data-arc span      9412 days (25.77 yr)      first obs. used      1995-02-03      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51829      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:28:45   Additional Information  Earth MOID = 1.12225 au   Jupiter MOID = 2.40906 au   T_jup = 3.472  [ 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 14.2   n/a MPO333060   rotation period rot_per 12.857 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Warner, B.D. (2018) Minor Planet Bull. 45, 190-195.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] 26203 (1997 KS)          Discovered 1997-May-31 by Beijing Schmidt CCD Asteroid Program at Xinglong Reference: 20010705/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 09:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin