+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1081 Reseda (1927 QF) Classification: Main-belt Asteroid          SPK-ID: 2001081 [ 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 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1480086720838094 3.2258e-08   a 3.095214041455351 1.0484e-08 au q 2.637095521364383 1.0011e-07 au i 4.189013789080147 3.7554e-06 deg node 30.31435711508568 4.2363e-05 deg peri 9.158021148984062 4.3854e-05 deg M 22.5068793176762 1.0549e-05 deg tp 2459076.149585086590 (2020-Aug-14.64958509) 5.8335e-05 TDB period 1988.998507388339 5.45 1.0106e-05 2.767e-08 d yr n .18099561093824 9.1963e-10 deg/d Q 3.553332561546318 1.2036e-08 au   Orbit Determination Parameters    # obs. used (total)      3329      data-arc span      34110 days (93.39 yr)      first obs. used      1927-08-31      last obs. used      2021-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41887      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:52:22   Additional Information  Earth MOID = 1.64399 au   Jupiter MOID = 1.87098 au   T_jup = 3.203  [ 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 11.11   n/a E2021B10   diameter diameter 37.810 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 7.3002 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Yankov, A.; Ditteon, R. (2009) Minor Planet Bull. 36, 3-4.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] geometric albedo albedo 0.043   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1081 Reseda (1927 QF)          Discovered 1927-Aug-31 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1927 QF = 1949 UA1 = 1975 LS  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 02:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin