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305504 (2008 ED109)
Classification: Main-belt Asteroid          SPK-ID: 2305504
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185897493153643 6.4497e-08  
a 3.057752488473789 3.7445e-08 au
q 2.489323966182198 2.1111e-07 au
i 12.20089726138702 6.3926e-06 deg
node 151.7001130329561 3.0316e-05 deg
peri 197.3979268499158 3.3932e-05 deg
M 254.6025603218282 1.765e-05 deg
tp 2459572.280683693611
(2021-Dec-23.78068369)
0.00010087 TDB
period 1952.99854302182
5.35
3.5874e-05
9.822e-08
d
yr
n .1843319347504387 3.386e-09 deg/d
Q 3.62618101076538 4.4406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7152 days (19.58 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:56  

Additional Information
 Earth MOID = 1.48517 au 
 Jupiter MOID = 1.80114 au 
 T_jup = 3.174 
[ 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 15.7   n/a MPO471208  

305504 (2008 ED109)          Discovered 2008-Mar-07 by Mt. Lemmon Survey at Mount Lemmon
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
1933-Sep-04 13:02 00:05 Jupiter 1.91085600901775 1.91085412038993 1.9108578976712 3.08134195692401 2.93396165710732 2427320.042971458 4.61692980405067 390.631017834825 29.787410383264 -75.9020859535791 1930115.44745827 T 13 CATAB v2.0f-lin.ifort 2020-May-21 19:59:58 2020-May-21 20:00
1943-May-19 23:31 00:04 Jupiter 1.94075584335949 1.94075409174663 1.94075759497433 3.09555823199251 2.95120344293052 2430864.479739176 4.17106373733452 154.029851375074 54.0371367284634 62.4751406402356 2499342.46407446 T 13 CATAB v2.0f-lin.ifort 2020-May-21 19:59:58 2020-May-21 20:00
1992-May-30 00:14 00:01 Jupiter 1.81637823867623 1.81637763174423 1.81637884560896 3.14243893194798 2.99036327459902 2448772.509605580 1.26150850447331 139.692275135312 24.6701254709897 -83.0661625343191 2011606.19064309 T 13 CATAB v2.0f-lin.ifort 2020-May-21 19:59:58 2020-May-21 20:00
2051-Feb-26 01:33 00:02 Jupiter 1.80233761489437 1.80233711538428 1.80233811440447 3.18812088792159 3.03713669629985 2470228.564292209 2.05458212424939 210.536986816223 23.1889889996737 89.6045893766304 2176355.72883775 T 13 CATAB v2.0f-lin.ifort 2020-May-21 19:59:58 2020-May-21 20:00
2100-Mar-08 13:25 00:05 Jupiter 1.99230872321554 1.99230636303106 1.99231108341577 2.87364930914013 2.72168475744112 2488136.059255605 4.99488525407457 324.027914603335 35.8325687153907 -68.5444508910306 1801795.9453804 T 13 CATAB v2.0f-lin.ifort 2020-May-21 19:59:58 2020-May-21 20:00
2109-Nov-21 21:26 00:05 Jupiter 1.87178277261765 1.87178097737709 1.87178456787876 3.22596711235655 3.08250226329794 2491681.392735045 5.47912648813267 349.528945351105 32.5810120826455 76.1584347818473 2566015.7996674 T 13 CATAB v2.0f-lin.ifort 2020-May-21 19:59:58 2020-May-21 20:00
2158-Nov-26 20:40 00:08 Jupiter 1.86941084764345 1.86940817655527 1.8694135188259 3.00332930880364 2.8484723981527 2509583.361356027 8.15119174280894 710.375024108191 28.9842071877792 -78.2997153462119 1837151.61208482 T 13 CATAB v2.0f-lin.ifort 2020-May-21 19:59:58 2020-May-21 20:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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