+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357453 (2004 DK8) Classification: Main-belt Asteroid          SPK-ID: 2357453 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1558880300152057 6.529e-08   a 2.73841767262655 2.9886e-08 au q 2.311531136281973 1.942e-07 au i 4.729252151786213 8.788e-06 deg node 338.4338468022054 6.0652e-05 deg peri 109.459431320139 6.7747e-05 deg M 306.9712910519992 2.7938e-05 deg tp 2459444.312806290393 (2021-Aug-17.81280629) 0.00012913 TDB period 1655.190405457729 4.53 2.7096e-05 7.418e-08 d yr n .217497635808519 3.5605e-09 deg/d Q 3.165304208971127 3.4544e-08 au   Orbit Determination Parameters    # obs. used (total)      131      data-arc span      6167 days (16.88 yr)      first obs. used      2004-02-17      last obs. used      2021-01-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60762      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 09:20:44   Additional Information  Earth MOID = 1.33285 au   Jupiter MOID = 2.04644 au   T_jup = 3.328  [ 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 17.0   n/a MPO450330   357453 (2004 DK8)          Discovered 2004-Feb-17 by Spacewatch at Kitt Peak Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ 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 2005-Sep-20 21:10 00:03 Inter 0.0199722154366384 0.0199373673029067 0.0200070635976973 4.93384262387336 4.93384247531155 2453634.381625142 3.09441186877388 1737.11959039785 167.102729413295 1.20700495741061 1759.13541642123 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 09:20:45 2021-Apr-14 09:20 Alternate Designations  2004 DK8 = 2013 CW187  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 21:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin