+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1837 Osita (1971 QZ1) Classification: Main-belt Asteroid          SPK-ID: 2001837 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08645985040252553 2.7625e-08   a 2.206141106521604 5.1396e-09 au q 2.015398476484884 6.1096e-08 au i 3.846062576516167 3.0602e-06 deg node 280.9212437986786 5.5228e-05 deg peri 315.413499681942 6.0093e-05 deg M 34.473765774336 2.4859e-05 deg tp 2458885.886814598062 (2020-Feb-06.38681460) 8.2567e-05 TDB period 1196.873791357438 3.28 4.1825e-06 1.145e-08 d yr n .3007835935581019 1.0511e-09 deg/d Q 2.396883736558324 5.5839e-09 au   Orbit Determination Parameters    # obs. used (total)      2771      data-arc span      21017 days (57.54 yr)      first obs. used      1962-12-02      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41561      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:37:26   Additional Information  Earth MOID = 1.00539 au   Jupiter MOID = 2.60492 au   T_jup = 3.653  [ 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 12.9   n/a PDS3 (MPC 17263)   diameter diameter 7.530 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 3.81862 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] [Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.] geometric albedo albedo 0.216   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1837 Osita (1971 QZ1)          Discovered 1971-Aug-16 by Gibson, J. at El Leoncito Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1971 QZ1 = 1962 XQ = 1968 QB1 = 1972 YJ1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-06 08:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin