+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243440 Colonia (2009 FD2) Classification: Main-belt Asteroid          SPK-ID: 2243440 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2102032544251194 5.2058e-08   a 2.802449673718947 2.4612e-08 au q 2.213365631940611 1.458e-07 au i 3.420077743906179 4.8723e-06 deg node 141.1014876368507 0.00012673 deg peri 122.5130485713183 0.00012772 deg M 78.10804617167106 1.981e-05 deg tp 2458628.709375542188 (2019-May-25.20937554) 9.1397e-05 TDB period 1713.583060452435 4.69 2.2574e-05 6.18e-08 d yr n .210086110389624 2.7675e-09 deg/d Q 3.391533715497284 2.9785e-08 au   Orbit Determination Parameters    # obs. used (total)      240      data-arc span      9332 days (25.55 yr)      first obs. used      1995-04-24      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55918      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:39:40   Additional Information  Earth MOID = 1.2 au   Jupiter MOID = 1.70428 au   T_jup = 3.289  [ 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 16.7   n/a MPO433595   diameter diameter 2.364 km 0.704 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.066   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   243440 Colonia           Discovered 2009 Mar. 17 by S. Karge and E. Schwab at Taunus. Colonia (Colonia Claudia Ara Agrippinensium) is the Roman name for Köln, Germany's fourth-largest city, founded in the year 38 BC by the Romans. It was the birthplace of Agrippina, sister of Caligula and mother of Nero. Köln's gothic cathedral is one of the world's largest churches and a world heritage site. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20110517/MPCPages.arc Last Updated: 2011-06-24 [ 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 1917-Aug-24 15:22 00:05 Jupiter 1.71656020066361 1.71655931093089 1.71656109039242 1.31053934979529 0.854768877115189 2421465.140571495 4.53561595147767 776.207215292144 197.538050224738 14.0152743972336 776276.812975175 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 1941-Feb-22 14:43 00:03 Jupiter 1.7393879206356 1.73938677924736 1.73938906202106 1.44479817482646 1.05522986483562 2430048.113370691 3.21421081391336 448.864829067431 126.833081575983 24.9495606801211 893660.905768899 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 1964-Aug-08 21:16 00:02 Jupiter 1.7950870172837 1.79508585294325 1.79508818162312 1.71254986979975 1.41035992840638 2438616.385988548 2.15170616088617 198.674762613655 60.5108562152727 49.0106100252686 1120921.49470678 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 1987-Dec-30 23:33 00:01 Jupiter 1.88314614360278 1.88314513549006 1.88314715171506 2.15544774652012 1.93555486588424 2447160.481264180 1.19744198452459 92.336742598621 17.1679123228063 79.507534211909 1313417.42684465 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 2097-May-19 05:28 00:03 Jupiter 1.99697579324959 1.9969741111787 1.99697747531992 2.0003202260567 1.77566206406068 2487112.727731953 2.90526192163143 135.790686614593 19.8355024298267 86.5447433522184 1182406.97161417 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 2120-Sep-21 06:04 00:04 Jupiter 1.87013053494363 1.87012874510683 1.8701323247766 1.57678249823728 1.25713954870364 2495637.752941993 3.57718812112897 215.015903323664 84.8430096478203 37.8155603571148 950409.974570799 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 2144-Feb-17 19:14 00:04 Jupiter 1.79346382073209 1.79346218339141 1.79346545806533 1.35665652552222 0.946546819351425 2504187.301090930 4.24216029387733 458.702682741296 127.992335451365 9.19900608758982 731967.943453882 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 2167-Aug-03 17:06 00:05 Jupiter 1.74189711351654 1.74189583830455 1.74189838872141 1.2310822455565 0.736908908925336 2512755.212252699 5.08279458124656 786.357662833615 191.937236111564 -3.40325042864098 804191.125910182 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 2191-Feb-03 00:10 00:06 Jupiter 1.72030646866457 1.72030558502571 1.72030735230098 1.19979275952356 0.674365051844311 2521339.507141593 6.30466145058248 754.411917094833 253.473653889001 -8.88261247483417 1201018.42257064 T 15 CATAB v2.0f-lin.ifort 2020-Dec-18 05:39:41 2020-Dec-18 05:39 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 08:06 UT (server date/time)   Site Manager:   Ryan S. 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