+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 328 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2840553586088458 8.5116e-08   a 1.574596109900703 5.5988e-09 au q 1.127323647238765 1.3372e-07 au i 32.96318717635235 1.2121e-05 deg node 339.9897851198119 7.4763e-06 deg peri 53.42709126598724 3.1051e-05 deg M 100.5485558180148 4.9806e-05 deg tp 2458998.930172315742 (2020-May-29.43017232) 9.8827e-05 TDB period 721.6924935020471 1.98 3.8492e-06 1.054e-08 d yr n .4988274136718298 2.6605e-09 deg/d Q 2.021868572562641 7.1892e-09 au   Orbit Determination Parameters    # obs. used (total)      1937      # delay obs. used      0      # Doppler obs. used      1      data-arc span      14054 days (38.48 yr)      first obs. used      1982-09-13      last obs. used      2021-03-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47885      source      ORB      producer      Otto Matic      solution date      2021-Mar-07 05:51:17   Additional Information  Earth MOID = .214794 au   Jupiter MOID = 3.61761 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. 2020-October); 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 ] 2021-Mar-09 05:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin