+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4332 Milton (1983 RC) Classification: Main-belt Asteroid          SPK-ID: 2004332 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3147746870167226 4.1011e-08   a 2.586176992278941 1.149e-08 au q 1.772113938964488 1.1044e-07 au i 19.1650315327432 3.9763e-06 deg node 165.9639653949425 9.9631e-06 deg peri 198.2416876597046 1.1127e-05 deg M 297.8620095529776 7.9754e-06 deg tp 2459262.704714222217 (2021-Feb-17.20471422) 3.4979e-05 TDB period 1519.098001736572 4.16 1.0124e-05 2.772e-08 d yr n .2369827355367872 1.5794e-09 deg/d Q 3.400240045593393 1.5107e-08 au   Orbit Determination Parameters    # obs. used (total)      2313      data-arc span      31833 days (87.15 yr)      first obs. used      1933-09-16      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42995      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:17:02   Additional Information  Earth MOID = .776051 au   Jupiter MOID = 2.07083 au   T_jup = 3.276  [ 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 12.8   n/a MPO337288   diameter diameter 11.54 km 0.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5 rotation period rot_per 3.295 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Oey, J. (2009) Minor Planet Bull. 36, 162-165.] [Kabas, A. (2016) Icarus 271, 279-282.] geometric albedo albedo 0.2306   0.028 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5 SMASSII spectral type spec_B Xe   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 4332 Milton (1983 RC)          Discovered 1983-Sep-05 by Shoemaker, C. S. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ 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 1906-Mar-15 12:10 < 00:01 Thisb 0.038546198471043 0.0385424712133933 0.0385499267476608 7.20571711188346 7.20571708733547 2417285.006939816 0.37681782440939 368.11841802313 33.7631395352763 60.0931166712764 148224.987583447 T 36 CATAB v2.0f-lin.ifort 2020-Dec-18 02:17:07 2020-Dec-18 02:17 Alternate Designations  1983 RC = 1933 SH1 = 1989 ET4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 23:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin