+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   305811 (2009 DH105) Classification: Main-belt Asteroid          SPK-ID: 2305811 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1278996050188874 9.4424e-08   a 2.743517680970771 2.4565e-08 au q 2.392622853212275 2.5354e-07 au i 2.860891778630818 9.3646e-06 deg node 340.0316109436661 0.00012484 deg peri 202.587857180966 0.00012743 deg M 208.6096543198936 2.7144e-05 deg tp 2459898.500529142429 (2022-Nov-15.00052914) 0.00012923 TDB period 1659.816478801357 4.54 2.2292e-05 6.103e-08 d yr n .2168914483003418 2.913e-09 deg/d Q 3.094412508729267 2.7707e-08 au   Orbit Determination Parameters    # obs. used (total)      178      data-arc span      9412 days (25.77 yr)      first obs. used      1995-01-29      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59055      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 06:08:58   Additional Information  Earth MOID = 1.39498 au   Jupiter MOID = 1.86959 au   T_jup = 3.335  [ hide covariance matrix ] Orbital Elements at Epoch 2457597.5 (2016-Jul-28.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1263240063420902 9.4888e-08   q 2.39869043497254 2.5457e-07 au tp 2458239.846929076219 (2018-May-01.34692908) 0.00012189 TDB node 340.1710695878442 0.00012486 deg peri 202.8490027012676 0.0001275 deg i 2.859808869955637 9.3623e-06 deg   Orbit Determination Parameters    # obs. used (total)      178      data-arc span      9412 days (25.77 yr)      first obs. used      1995-01-29      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59055      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 06:08:58   Additional Information  Jupiter MOID = 1.86959 au   T_jup = 3.335  Orbit Covariance (6×6)   e q tp node peri i e 9.003682093878304E-15 -2.407624417024954E-14 -1.844249445391791E-12 -4.338684122633528E-14 -1.976003442862116E-13 2.407348383981246E-15 q -2.407624417024954E-14 6.480380543348857E-14 5.826359614717739E-12 1.179207229955591E-13 6.748386392498767E-13 -5.583552856890991E-15 tp -1.844249445391791E-12 5.826359614717739E-12 1.485762464308589E-8 1.503378887818382E-11 3.157009697307158E-9 2.88761345183404E-12 node -4.338684122633528E-14 1.179207229955591E-13 1.503378887818382E-11 1.558905239017205E-8 -1.556608518537151E-8 1.481827880757181E-10 peri -1.976003442862116E-13 6.748386392498767E-13 3.157009697307158E-9 -1.556608518537151E-8 1.625499400572535E-8 -1.473467948660892E-10 i 2.407348383981246E-15 -5.583552856890991E-15 2.88761345183404E-12 1.481827880757181E-10 -1.473467948660892E-10 8.765254775498006E-11 [ 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 16.8   n/a MPO397067   305811 (2009 DH105)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak Reference: 20111110/Numbers.arc Last 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 1916-Feb-03 11:42 00:04 Jupiter 1.86720084970869 1.86719993667915 1.86720176273854 2.23450016035043 2.02131800415946 2420896.987238933 3.95057710916776 233.388847969669 24.0382644524764 87.7488402407744 1143748.30849383 T 9 CATAB v2.0f-lin.ifort 2020-Dec-18 06:08:59 2020-Dec-18 06:08 1975-Jan-09 21:04 00:02 Jupiter 1.87636092725295 1.87636015889102 1.87636169561468 2.30396854246935 2.09891297204963 2442422.377879268 1.67398750705881 143.026067417112 23.4597855588123 88.7485360800417 1243111.55114783 T 9 CATAB v2.0f-lin.ifort 2020-Dec-18 06:08:59 2020-Dec-18 06:08 2033-Dec-17 11:26 < 00:01 Jupiter 1.92401725634671 1.92401641984842 1.92401809284467 2.50333764166678 2.32082452147476 2463948.976061089 0.685993900154102 97.6360590459985 21.1229982448335 87.7461710249001 1374934.38123672 T 9 CATAB v2.0f-lin.ifort 2020-Dec-18 06:08:59 2020-Dec-18 06:08 2071-Jan-02 16:39 00:02 Jupiter 1.92535893820351 1.92535817412225 1.92535970228434 2.37764556509773 2.18479726747986 2477479.193763790 2.12864454278229 98.4407493614806 15.0915797254992 89.2542749878813 1407453.33625562 T 9 CATAB v2.0f-lin.ifort 2020-Dec-18 06:08:59 2020-Dec-18 06:08 2129-Dec-11 18:27 00:04 Jupiter 1.87527722218268 1.87527639973889 1.87527804462625 2.21227714272795 1.99770193865625 2499006.268626547 4.41953489745502 214.442978889326 20.9232386977294 86.3964993676149 1243645.92525784 T 9 CATAB v2.0f-lin.ifort 2020-Dec-18 06:08:59 2020-Dec-18 06:08 2188-Nov-20 00:17 00:07 Jupiter 1.86176269449898 1.86176178468421 1.86176360432804 2.20451610455155 1.98745482190348 2520534.511516997 6.72623345305878 447.49897902205 24.0167049151297 87.9064952805252 1257712.83306543 T 9 CATAB v2.0f-lin.ifort 2020-Dec-18 06:08:59 2020-Dec-18 06:08 Alternate Designations  2009 DH105 = 2004 BU63  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 17:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin