+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1067 Lunaria (1926 RG) Classification: Main-belt Asteroid          SPK-ID: 2001067 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1923712640105371 3.5232e-08   a 2.870720266057436 1.0019e-08 au q 2.318476179855302 1.0103e-07 au i 10.54977088082232 4.2323e-06 deg node 289.5779451022617 2.2082e-05 deg peri 114.9797604884527 2.4636e-05 deg M 106.140003829009 1.1224e-05 deg tp 2458676.705012692574 (2019-Jul-12.20501269) 5.4555e-05 TDB period 1776.579881553918 4.86 9.3004e-06 2.546e-08 d yr n .2026365398695833 1.0608e-09 deg/d Q 3.42296435225957 1.1946e-08 au   Orbit Determination Parameters    # obs. used (total)      2578      data-arc span      34465 days (94.36 yr)      first obs. used      1926-09-09      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .37441      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:52:15   Additional Information  Earth MOID = 1.35085 au   Jupiter MOID = 2.05382 au   T_jup = 3.246  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.79   n/a E2021B10   diameter diameter 20.011 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 6.057 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pray, D. (2005) Minor Planet Bull. 32, 8-9.] geometric albedo albedo 0.185   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1067 Lunaria (1926 RG)          Discovered 1926-Sep-09 by Reinmuth, K. at Heidelberg Sept. 10, given by some authorities, refers to the local meridian. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1926 RG = 1974 PJ = 1974 QC3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-11 22:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin