+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2768 Gorky (1972 RX3) Classification: Main-belt Asteroid          SPK-ID: 2002768 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1709662169898042 3.4063e-08   a 2.234349126530269 5.7331e-09 au q 1.852350908932916 7.5335e-08 au i 6.276401200437128 3.7633e-06 deg node 53.27908451931388 3.0894e-05 deg peri 335.1573039233906 3.2582e-05 deg M 81.08793036909839 1.0534e-05 deg tp 2458725.724065413431 (2019-Aug-30.22406541) 3.5497e-05 TDB period 1219.90209888082 3.34 4.6952e-06 1.285e-08 d yr n .295105648502676 1.1358e-09 deg/d Q 2.616347344127623 6.7132e-09 au   Orbit Determination Parameters    # obs. used (total)      2687      data-arc span      31636 days (86.61 yr)      first obs. used      1934-04-06      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42656      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:08:20   Additional Information  Earth MOID = .859864 au   Jupiter MOID = 2.82376 au   T_jup = 3.612  [ 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 12.2   n/a MPO502179   diameter diameter 8.887 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 4.507 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pray, D.P.; Galad, A.; Husark, M.; Oey, J. (2008) Minor Planet Bull. 35, 34-37.] [Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Benishek, V. (2020) Minor Planet Bull. 47, 75-83.] geometric albedo albedo 0.323   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   2768 Gorky (1972 RX3)          Discovered 1972-Sep-06 by Zhuravleva, L. at Nauchnyj 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 2180-Mar-17 08:58 00:02 Iris 0.0470285615894235 0.0470272809284862 0.0470298475855721 4.91032410592761 4.91032408103324 2517364.873824661 1.79421031676305 826.430037007463 18.2793095181682 -85.7453884143209 383679.192989278 T 42 CATAB v2.0f-lin.ifort 2020-Dec-18 02:08:27 2020-Dec-18 02:08 Alternate Designations  1972 RX3 = 1934 GM = 1951 JO = 1974 FZ1 = 1979 YV2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-24 20:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin