+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3199 Nefertiti (1982 RA) Classification: Amor [NEO]          SPK-ID: 2003199 [ 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 296 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2839877792876317 8.6211e-08   a 1.574480940543635 5.7815e-09 au q 1.127347594707946 1.3539e-07 au i 32.96251068713449 1.2313e-05 deg node 339.991225275111 7.5347e-06 deg peri 53.42211549127073 3.1748e-05 deg M .7873353955072955 5.0998e-05 deg tp 2458998.921800818489 (2020-May-29.42180082) 0.00010222 TDB period 721.6133157305856 1.98 3.9746e-06 1.088e-08 d yr n .498882146645983 2.7478e-09 deg/d Q 2.021614286379323 7.4233e-09 au   Orbit Determination Parameters    # obs. used (total)      1796      # delay obs. used      0      # Doppler obs. used      1      data-arc span      13912 days (38.09 yr)      first obs. used      1982-09-13      last obs. used      2020-10-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47882      source      ORB      producer      Otto Matic      solution date      2020-Oct-16 08:06:01   Additional Information  Earth MOID = .216441 au   Jupiter MOID = 3.61686 au   T_jup = 4.190  [ 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 14.8   n/a MPO473809   diameter diameter 2.2 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543   rotation period rot_per 3.021 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Harris, A.W.; Young, J.W. (1985) Bull. Amer. Astron. Soc. 17, 726.] [Pravec, P.; Wolf, M.; Sarounova, L.; Mottola, S.; et al. (1997) Icarus 130, 275-286.] [Kaasalainen, M.; et al. (2004) Icarus 167, 178-196.] [Gandolfi, D.; Cigna, M.; Fulvio, D.; Blanco, C. (2009) Planet. Space Sci. 57, 1-9.] geometric albedo albedo 0.42   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543   B-V BV 0.895   0.076 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=21.11, mean=44.90, max.=56.99) deg. U-B UB 0.418   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=21.11, mean=44.90, max.=56.99) deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices SMASSII spectral type spec_B Sq   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) 3199 Nefertiti (1982 RA)          Discovered 1982-Sep-13 by Shoemaker, C. and Shoemaker, E. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-21 20:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin