+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14964 Robertobacci (1996 VS) Classification: Outer Main-belt Asteroid          SPK-ID: 2014964 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06783558705113529 3.4189e-08   a 3.212558183406914 1.9111e-08 au q 2.994632413099577 1.0993e-07 au i 9.539374522324097 4.2272e-06 deg node 193.7135027866727 2.2675e-05 deg peri 53.38490799498532 3.9358e-05 deg M 199.6434271030177 3.3859e-05 deg tp 2460137.326560511387 (2023-Jul-11.82656051) 0.00020054 TDB period 2103.172671323946 5.76 1.8767e-05 5.138e-08 d yr n .1711699685472711 1.5274e-09 deg/d Q 3.43048395371425 2.0407e-08 au   Orbit Determination Parameters    # obs. used (total)      1390      data-arc span      11106 days (30.41 yr)      first obs. used      1990-09-24      last obs. used      2021-02-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52559      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:43:50   Additional Information  Earth MOID = 1.99303 au   Jupiter MOID = 1.58508 au   T_jup = 3.166  [ 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 13.7   n/a MPO416869   diameter diameter 8.241 km 0.563 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.104   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14964 Robertobacci           Discovered 1996 Nov. 2 by L. Tesi and G. Cattani at San Marcello Pistoiese. Roberto Bacci (b. 1965), an active amateur astronomer since his adolescence, has turned his primary interest to variable stars and meteors. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010509/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 17:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin