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305486 (2008 DC89)
Classification: Main-belt Asteroid          SPK-ID: 2305486
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09437646933700555 8.5909e-08  
a 2.969041989474727 4.3553e-08 au
q 2.688834289194784 2.679e-07 au
i 3.959412078289539 9.6114e-06 deg
node 14.39150383794676 0.00010004 deg
peri 118.404383297576 0.00012245 deg
M 177.5299961171632 6.1556e-05 deg
tp 2458079.006705916833
(2017-Nov-21.50670592)
0.00032339 TDB
period 1868.628362110737
5.12
4.1116e-05
1.126e-07
d
yr
n .1926546804594984 4.2391e-09 deg/d
Q 3.249249689754671 4.7663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5460 days (14.95 yr)  
   first obs. used      2003-04-04  
   last obs. used      2018-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:32:25  

Additional Information
 Earth MOID = 1.70589 au 
 Jupiter MOID = 1.77993 au 
 T_jup = 3.253 
[ 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 16.4   n/a MPO437356  

305486 (2008 DC89)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1903-Jun-05 04:26 00:07 Jupiter 1.78460857996793 1.78460746718835 1.7846096927467 2.54912676946402 2.35558788759398 2416270.684789840 7.23248700638609 360.85958217831 25.38770481844 -87.2310244729087 956777.766778819 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
1939-Apr-25 13:18 00:05 Jupiter 1.79827149001375 1.79827023314163 1.79827274688567 2.67209610797322 2.48958969622305 2429379.054237595 4.78004327759998 259.090223089395 30.8145109746109 89.6737816188274 934284.24497333 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
1975-Mar-22 04:12 00:02 Jupiter 1.82904273222085 1.82904143531638 1.8290440291246 2.84042502219711 2.6724187828067 2442493.675114335 2.47557154283465 148.148664000943 37.8917044040463 89.909184333714 950243.328073218 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
2011-Feb-19 09:24 < 00:01 Jupiter 1.86989169479478 1.86989044393513 1.86989294565401 3.03468761713768 2.8815568758859 2455611.891698445 0.49581910193706 92.7648255534647 35.2313216269348 -77.4982758292542 1014669.96478749 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
2047-Jan-23 22:09 00:02 Jupiter 1.93336255176165 1.93336105564835 1.9333640478744 3.29344363464166 3.15761841077148 2468734.423030973 2.09563226067131 93.6481660439255 53.4238192732858 87.2781789464043 940731.713425251 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
2091-Sep-01 07:14 00:05 Jupiter 1.96581197665433 1.96580980492556 1.96581414838209 2.74109132034109 2.57911385732216 2485025.801554074 4.8940760479146 97.194118924572 72.5485255415277 -59.1886260941371 964393.220004895 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
2127-Aug-09 14:50 00:07 Jupiter 1.89857511525882 1.89857253028046 1.89857770023695 2.5892690219016 2.41081775956586 2498151.118096565 6.93036469337437 142.949096126951 62.0108101183012 -54.9535384868826 1087593.46908855 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
2163-Jul-14 16:00 00:09 Jupiter 1.84653091790343 1.84652839164876 1.84653344416303 2.50788538044479 2.31777236512204 2511274.166334875 8.84003247367438 222.872273558704 45.8987012067398 -65.1459880808075 1347431.7136706 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
2199-Jun-12 06:01 00:11 Jupiter 1.79888775091881 1.7988855892473 1.79888991260997 2.45497088098428 2.25503081908378 2524390.750601306 10.7596478818065 362.791990444793 34.8055545966995 -74.8840317290506 1249472.62646032 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 13:32:27 2019-Jul-14 13:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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