+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1048 Feodosia (A924 WQ) Classification: Main-belt Asteroid          SPK-ID: 2001048 [ 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 101 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1803760942262857 4.5291e-08   a 2.732895113099754 1.1459e-08 au q 2.239946166668717 1.2419e-07 au i 15.8058258810637 5.212e-06 deg node 52.76063183683469 1.4899e-05 deg peri 183.501242766894 1.9545e-05 deg M 254.1164795770758 1.6199e-05 deg tp 2459485.854146763458 (2021-Sep-28.35414676) 7.5992e-05 TDB period 1650.185903688709 4.52 1.0379e-05 2.842e-08 d yr n .2181572386452226 1.3721e-09 deg/d Q 3.225844059530791 1.3526e-08 au   Orbit Determination Parameters    # obs. used (total)      2502      data-arc span      34843 days (95.39 yr)      first obs. used      1924-11-29      last obs. used      2020-04-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43103      source      ORB      producer      Otto Matic      solution date      2020-May-20 01:17:58   Additional Information  Earth MOID = 1.22877 au   Jupiter MOID = 1.77815 au   T_jup = 3.276  [ 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 9.7   n/a MPO502163 IRAS observations used: 9 diameter diameter 62.218 km 1.596 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 10.46 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Schober, H.J.; Erikson, A.; Hahn, G.; Lagerkvist, C.-I.; et al. (1994) Astron. Astrophys. Suppl. Ser. 105, 281-300.] geometric albedo albedo 0.057   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.709   0.013 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=10.90, mean=14.54, max.=21.05) deg. U-B UB 0.309   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=10.90, mean=11.29, max.=11.68) deg. Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 1048 Feodosia (A924 WQ)          Discovered 1924-Nov-29 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A924 WQ = 1942 XP = 1942 XZ = 1959 SK  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-21 02:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin