+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1607 Mavis (1950 RA) Classification: Main-belt Asteroid          SPK-ID: 2001607 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 50 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3029567547308792 1.0014e-08   a 2.551867922844877 4.418e-09 au q 1.778762298437963 2.5782e-08 au i 8.580876931237498 5.0736e-07 deg node 122.3895929508295 2.0887e-06 deg peri 236.1324906942056 3.8411e-06 deg M 136.2999302214162 2.2111e-06 deg tp 2458832.760002986633 (2019-Dec-15.26000299) 8.392e-06 TDB period 1488.969206331435 4.08 3.8668e-06 1.059e-08 d yr n .2417780021703595 6.2788e-10 deg/d Q 3.324973547251791 5.7565e-09 au   Orbit Determination Parameters    # obs. used (total)      3410      data-arc span      43242 days (118.39 yr)      first obs. used      1903-01-22      last obs. used      2021-06-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .39677      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 12:34:10   Additional Information  Earth MOID = .790157 au   Jupiter MOID = 2.16515 au   T_jup = 3.359  [ 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 11.44   n/a MPCxxxxx   diameter diameter 12.756 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 6.1339 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Bembrick, C.; Allen, B.; Bolt, G. (2008) Minor Planet Bull. 35, 74-75.] [Oey, J. (2008) Minor Planet Bull. 35, 132-135.] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] geometric albedo albedo 0.193   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   1607 Mavis (1950 RA)          Discovered 1950-Sep-03 by Johnson, E. L. at Johannesburg (UO) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1950 RA = 1934 VQ = 1958 OB = 1958 PD = A903 BH  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-28 05:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin