+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3485 Barucci (1983 NU) Classification: Main-belt Asteroid          SPK-ID: 2003485 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1659135615533844 3.3402e-08   a 2.439007730907899 9.4012e-09 au q 2.034343271616731 8.1771e-08 au i 1.801250195945896 3.8454e-06 deg node 315.3060271152516 0.00010122 deg peri 339.3361142552011 0.00010218 deg M 254.5597163851679 1.7997e-05 deg tp 2459407.994974285072 (2021-Jul-12.49497428) 7.1163e-05 TDB period 1391.291693395922 3.81 8.0441e-06 2.202e-08 d yr n .2587523534488279 1.496e-09 deg/d Q 2.843672190199067 1.0961e-08 au   Orbit Determination Parameters    # obs. used (total)      2942      data-arc span      13990 days (38.30 yr)      first obs. used      1982-02-22      last obs. used      2020-06-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4407      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:58:10   Additional Information  Earth MOID = 1.01843 au   Jupiter MOID = 2.34542 au   T_jup = 3.483  [ 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 13.00   n/a E2021B10   diameter diameter 15.342 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 14.65 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Angeli, C.A.; Barucci, M.A. (1996) Planet. Space Sci. 44, 181-186.] geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   3485 Barucci (1983 NU)          Discovered 1983-Jul-11 by Bowell, E. at Flagstaff (AM) Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1983 NU = 1952 HT3 = 1982 DB5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 20:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin