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441787 (2009 DK107)
Classification: Main-belt Asteroid          SPK-ID: 2441787
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359714759533235 2.2103e-07  
a 3.012284784160233 1.7103e-07 au
q 2.301471497650204 6.2279e-07 au
i 2.564891256934366 1.2774e-05 deg
node 195.04101556 0.00043982 deg
peri 36.71882108930048 0.00051833 deg
M 14.42174568542456 0.00019558 deg
tp 2458924.000640127419
(2020-Mar-15.50064013)
0.001042 TDB
period 1909.600276890371
5.23
0.00016263
4.453e-07
d
yr
n .1885211289276889 1.6056e-08 deg/d
Q 3.723098070670262 2.1139e-07 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      5427 days (14.86 yr)  
   first obs. used      2000-08-27  
   last obs. used      2015-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .52664  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:34:58  

Additional Information
 Earth MOID = 1.29152 au 
 Jupiter MOID = 1.27477 au 
 T_jup = 3.205 
[ 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 17.8   n/a MPO342887  

441787 (2009 DK107)          Discovered 2009-Feb-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ 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
1928-Jul-14 21:47 1_13:46 Jupiter 1.30935191104793 1.3093409393206 1.30936406607727 0.685752321779935 n/a 2425442.407670992 2266.32600414008 78318.9163038246 349.797985256152 -89.6662814698049 559755.183567694 F 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
1966-Jan-12 17:57 13:39 Jupiter 1.72457943156809 1.72455681631975 1.72460208745234 1.18809668984746 0.655193988499227 2439138.248254736 819.140985439447 22578.5793477319 3894.43919104261 56.849536406955 225539.720604187 T 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
1974-Sep-22 05:43 04:10 Jupiter 1.84443569633343 1.84441401389761 1.84445737921158 2.03542488974527 1.79568704842983 2442312.738478720 250.082688454707 2041.4016043747 214.449155542286 35.4501011565303 172929.54672803 T 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
2012-Apr-23 09:55 21:20 Jupiter 1.2665803298007 1.26657689983049 1.26658376683534 0.709556449694336 n/a 2456040.912951260 1280.43970381575 4893.44079607255 45.203321723655 88.065978393548 4187703.17997951 F 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
2058-Oct-12 01:14 8_07:13 Jupiter 1.43038864618345 1.43037202398794 1.43041237650183 0.737045547401781 n/a 2473013.551108777 11953.08561814 163175.364318998 211.670987054882 -89.6558131556838 1010566.15174161 F 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
2096-Mar-13 21:29 6_15:42 Jupiter 1.52592178251978 1.52590155176629 1.52594454130606 0.690275492276678 n/a 2486681.395221574 9581.51806432506 101924.273518422 294.492354707985 89.4209996775897 774863.219106541 F 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
2142-Aug-15 01:52 2_06:34 Jupiter 1.25654308377105 1.25653839955751 1.25654866726919 0.707371840237443 n/a 2503635.577542641 3274.03590949658 61362.4485234963 126.998764756921 -89.7938736808393 1479567.56658747 F 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
2180-Apr-04 20:07 09:21 Jupiter 1.9692101018711 1.96917667077433 1.96924354388316 2.03822988396487 1.81496963849283 2517383.338484950 561.179670323984 8591.83853248931 291.510947779589 61.2969531430478 104308.552287619 T 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
2188-Dec-22 00:50 1_13:06 Jupiter 1.59585386715313 1.59581944388259 1.59588834971702 1.10637536997863 0.403159446847979 2520566.534459659 2226.29721610624 161023.336884602 4157.23076574304 -11.0759713104212 149808.598092055 T 7 CATAB v2.0e-lin.ifort 2017-Nov-26 19:33:24 2018-Dec-18 03:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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