+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3012 Minsk (1979 QU9) Classification: Outer Main-belt Asteroid          SPK-ID: 2003012 [ 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 48 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07025666801187287 3.7921e-08   a 3.222843079801357 1.6946e-08 au q 2.996416863489391 1.214e-07 au i 18.19242342250775 4.1809e-06 deg node 354.8765241186233 1.2847e-05 deg peri 91.62070997095718 3.9711e-05 deg M 288.7523522929631 3.7922e-05 deg tp 2459418.739644564165 (2021-Jul-23.23964456) 0.0002244 TDB period 2113.280604886947 5.79 1.6668e-05 4.563e-08 d yr n .1703512534812 1.3436e-09 deg/d Q 3.449269296113322 1.8137e-08 au   Orbit Determination Parameters    # obs. used (total)      2018      data-arc span      24377 days (66.74 yr)      first obs. used      1953-04-10      last obs. used      2020-01-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46524      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 18:51:21   Additional Information  Earth MOID = 2.08463 au   Jupiter MOID = 1.73215 au   T_jup = 3.106  [ hide covariance matrix ] Orbital Elements at Epoch 2455623.5 (2011-Mar-03.0) TDB Reference: JPL 48 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06574236943192764 3.7259e-08   q 3.014255251550796 1.1873e-07 au tp 2455169.804173843563 (2009-Dec-04.30417384) 0.00022709 TDB node 355.0932786639639 1.2795e-05 deg peri 88.67882250632937 4.2897e-05 deg i 18.2312064966333 4.1849e-06 deg   Orbit Determination Parameters    # obs. used (total)      2018      data-arc span      24377 days (66.74 yr)      first obs. used      1953-04-10      last obs. used      2020-01-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46524      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 18:51:21   Additional Information  Jupiter MOID = 1.73215 au   T_jup = 3.106  Orbit Covariance (6×6)   e q tp node peri i e 1.388248717635011E-15 -4.381937029309443E-15 6.547910582953138E-13 -1.583824807762763E-15 1.274341492082246E-13 -3.061926778761054E-15 q -4.381937029309443E-15 1.409722065878037E-14 -3.37040376892664E-13 4.188767280240663E-15 -7.870884261959734E-14 1.182932187666707E-14 tp 6.547910582953138E-13 -3.37040376892664E-13 5.15701080473783E-8 9.684229054292154E-12 9.317114432240762E-9 -9.684335598514906E-13 node -1.583824807762763E-15 4.188767280240663E-15 9.684229054292154E-12 1.637168909310043E-10 -1.536777028302525E-10 4.61091140148125E-12 peri 1.274341492082246E-13 -7.870884261959734E-14 9.317114432240762E-9 -1.536777028302525E-10 1.840137549495808E-9 -4.244530792775306E-12 i -3.061926778761054E-15 1.182932187666707E-14 -9.684335598514906E-13 4.61091140148125E-12 -4.244530792775306E-12 1.751369825560343E-11 [ 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 11.0   n/a MPO319121   diameter diameter 21.061 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 3.91220 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Odden, C.E.; Hirschfield, L.; Driscoll, A.; Brown, E.; et al. (2016) Minor Planet Bull. 43, 218-219.] geometric albedo albedo 0.174   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   3012 Minsk (1979 QU9)          Discovered 1979-Aug-27 by Chernykh, N. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1979 QU9 = 1950 SU = 1953 GA2 = 1973 SN2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-05 00:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin