+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08665560005278346 1.277e-08   a 2.205644006265643 4.6243e-09 au q 2.014512601399868 2.9352e-08 au i 3.845439220240275 6.1716e-07 deg node 280.9149891305049 8.0369e-06 deg peri 315.1960098348871 1.4802e-05 deg M 94.83162314749488 1.3753e-05 deg tp 2458885.324654725984 (2020-Feb-05.82465473) 4.5536e-05 TDB period 1196.469284535736 3.28 3.7627e-06 1.03e-08 d yr n .300885283603156 9.4624e-10 deg/d Q 2.396775411131417 5.025e-09 au   Orbit Determination Parameters    # obs. used (total)      3100      data-arc span      21220 days (58.10 yr)      first obs. used      1962-12-02      last obs. used      2021-01-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .40351      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 13:00:43   Additional Information  Earth MOID = 1.00315 au   Jupiter MOID = 2.60362 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 12.94   n/a E2021B10   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. 2020-October); 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 ] 2021-May-17 04:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin