+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   39849 Giampieri (1998 CF2) Classification: Main-belt Asteroid          SPK-ID: 2039849 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08499008468179531 5.1509e-08   a 2.312918531867326 9.0473e-09 au q 2.116343389981828 1.2067e-07 au i 6.335087019557606 5.272e-06 deg node 304.4558126185618 3.9574e-05 deg peri 64.93672177717599 4.8585e-05 deg M 254.7091316437512 2.7448e-05 deg tp 2459376.274354366413 (2021-Jun-10.77435437) 9.8621e-05 TDB period 1284.81006647411 3.52 7.5385e-06 2.064e-08 d yr n .2801970574436298 1.644e-09 deg/d Q 2.509493673752823 9.8162e-09 au   Orbit Determination Parameters    # obs. used (total)      1142      data-arc span      8609 days (23.57 yr)      first obs. used      1996-10-02      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54411      source      ORB      producer      Otto Matic      solution date      2020-May-20 08:46:44   Additional Information  Earth MOID = 1.12349 au   Jupiter MOID = 2.86482 au   T_jup = 3.570  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.2   n/a MPO365720   diameter diameter 2.077 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.283   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   39849 Giampieri           Discovered 1998 Feb. 13 by L. Tesi and A. Boattini at San Marcello Pistoiese. Giuliano Giampieri (b. 1932) is a friend of the first discoverer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20051215/MPCPages.arc Last Updated: 2006-03-22 Alternate Designations  1998 CF2 = 1996 TS56  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-23 17:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin