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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100540494677548 5.2041e-08  
a 2.802700070770148 2.4536e-08 au
q 2.213981571461316 1.457e-07 au
i 3.420021974032637 4.8721e-06 deg
node 141.1000702284362 0.00012672 deg
peri 122.534019231015 0.00012772 deg
M 120.1166718921308 2.016e-05 deg
tp 2458628.673663892364
(2019-May-25.17366389)
9.1468e-05 TDB
period 1713.81272687622
4.69
2.2505e-05
6.162e-08
d
yr
n .2100579569485254 2.7583e-09 deg/d
Q 3.391418570078981 2.9689e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:43:37  

Additional Information
 Earth MOID = 1.19888 au 
 Jupiter MOID = 1.7035 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.arcLast 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 15:23 00:05 Jupiter 1.71656010276977 1.71655921301085 1.71656099252478 1.31053845844528 0.854767480755916 2421465.141111696 4.53608415484213 776.260090444151 197.539703769317 14.0157738163547 776263.657079389 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
1941-Feb-22 14:44 00:03 Jupiter 1.73938780746085 1.73938666604135 1.73938894887778 1.44479745528962 1.05522885218378 2430048.113677199 3.21440732272961 448.883701193997 126.833616031731 24.9498216055292 893656.677781928 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
1964-Aug-08 21:16 00:02 Jupiter 1.79508694128349 1.79508577692922 1.79508810563674 1.71254940377239 1.41035935020938 2438616.386135094 2.15176657412271 198.678663676554 60.5109920451083 49.010707684208 1120921.1277155 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
1987-Dec-30 23:33 00:01 Jupiter 1.88314613402999 1.88314512591567 1.88314714214376 2.15544779605978 1.93555492115442 2447160.481290335 1.19744997023336 92.3371164949384 17.167924951571 79.5075477270059 1313417.62303052 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
2097-May-19 05:28 00:03 Jupiter 1.99697562965878 1.99697394744988 1.99697731186723 2.00031974809637 1.77566150737994 2487112.727613874 2.90550681134429 135.798790970784 19.835642112196 86.544377360627 1182375.55065675 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
2120-Sep-21 06:04 00:04 Jupiter 1.87013042506629 1.87012863498254 1.8701322151462 1.5767821637239 1.25713910995865 2495637.752849016 3.57769783426308 215.045007002758 84.8430877130365 37.8150519055804 950369.706461956 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
2144-Feb-17 19:13 00:04 Jupiter 1.7934637542639 1.7934621165943 1.79346539192606 1.35665633637049 0.946546532510502 2504187.301017516 4.24307533742349 458.787296137244 127.993336741056 9.20032602484944 731881.102510593 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
2167-Aug-03 17:06 00:05 Jupiter 1.74189708080478 1.74189580527239 1.74189835632993 1.23108220099623 0.736908825736172 2512755.212186298 5.08432080482065 786.503913340904 191.938713787943 -3.40210709208701 804022.485500856 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
2191-Feb-03 00:10 00:06 Jupiter 1.72030646409607 1.72030558025186 1.72030734793783 1.19979278807053 0.67436510472796 2521339.507039905 6.3071170510647 754.448859977971 253.480740481667 -8.88437271440472 1200976.36211795 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 01:43:38 2021-Apr-14 01:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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