+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150652 (2001 DG98) Classification: Outer Main-belt Asteroid          SPK-ID: 2150652 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1634099735264827 6.1641e-08   a 3.21859373954985 3.2924e-08 au q 2.692643421777506 1.8828e-07 au i 26.41057650201375 5.5231e-06 deg node 141.7674940465054 1.1543e-05 deg peri 71.62739274963936 2.4067e-05 deg M 100.0134318999109 1.7491e-05 deg tp 2458614.559524055665 (2019-May-11.05952406) 0.00010236 TDB period 2109.102420873418 5.77 3.2362e-05 8.86e-08 d yr n .1706887235238758 2.6191e-09 deg/d Q 3.744544057322194 3.8305e-08 au   Orbit Determination Parameters    # obs. used (total)      524      data-arc span      10733 days (29.39 yr)      first obs. used      1991-06-17      last obs. used      2020-11-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59729      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:19:27   Additional Information  Earth MOID = 1.81225 au   Jupiter MOID = 1.60307 au   T_jup = 3.007  [ 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 14.73   n/a E2021B55   diameter diameter 8.412 km 1.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.040   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   150652 (2001 DG98)          Discovered 2001-Feb-17 by LINEAR at Socorro Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ show close-approach data ] Alternate Designations  2001 DG98 = 2002 JW108  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 09:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin