+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2512 Tavastia (1940 GG) Classification: Main-belt Asteroid          SPK-ID: 2002512 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1214460506480412 2.9519e-08   a 2.243804374517862 6.3637e-09 au q 1.971303194805869 6.5752e-08 au i 6.380508477650798 3.3418e-06 deg node 69.521691934 3.4902e-05 deg peri 14.95942711499083 3.9079e-05 deg M 44.27058813911394 1.6518e-05 deg tp 2458849.530678452336 (2020-Jan-01.03067845) 5.6363e-05 TDB period 1227.653799998661 3.36 5.2226e-06 1.43e-08 d yr n .2932422805194693 1.2475e-09 deg/d Q 2.516305554229855 7.1365e-09 au   Orbit Determination Parameters    # obs. used (total)      2453      data-arc span      29281 days (80.17 yr)      first obs. used      1940-04-03      last obs. used      2020-06-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4333      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:08:40   Additional Information  Earth MOID = .98802 au   Jupiter MOID = 2.67741 au   T_jup = 3.615  [ 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 12.5   n/a MPO412184   diameter diameter 7.548 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 7.296 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.352   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   2512 Tavastia (1940 GG)          Discovered 1940-Apr-03 by Vaisala, Y. at Turku Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1905-Mar-05 18:32 < 00:01 Juno 0.0369648344186543 0.0369605856047323 0.0369690846101697 6.16459028124823 6.16459022785908 2416910.272446686 0.682112232976615 416.12776645054 24.9212032888263 -59.5761976612732 191375.059224008 T 42 CATAB v2.0f-lin.ifort 2020-Nov-13 04:08:46 2020-Nov-13 04:08 Alternate Designations  1940 GG = 1943 DN = 1965 UC2 = 1965 VF = 1965 WY = 1970 ER = 1972 XC1 = 1975 VP2 = 1977 FW  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 09:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin