+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19737 (2000 AQ51) Classification: Main-belt Asteroid          SPK-ID: 2019737 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06281593612689633 2.5855e-08   a 3.069814430685052 1.6102e-08 au q 2.876981163485715 8.5953e-08 au i 6.516195617386823 1.1682e-06 deg node 311.7289060276478 8.3924e-06 deg peri 113.8762459256927 1.6997e-05 deg M 307.0870057099511 1.4238e-05 deg tp 2459489.252963115617 (2021-Oct-01.75296312) 7.7371e-05 TDB period 1964.565946727603 5.38 1.5457e-05 4.232e-08 d yr n .1832465846207176 1.4418e-09 deg/d Q 3.262647697884389 1.7113e-08 au   Orbit Determination Parameters    # obs. used (total)      2154      data-arc span      14934 days (40.89 yr)      first obs. used      1980-03-23      last obs. used      2021-02-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .45133      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:05:06   Additional Information  Earth MOID = 1.89829 au   Jupiter MOID = 1.93661 au   T_jup = 3.218  [ 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 13.08   n/a E2021B10   diameter diameter 47.698 km 36.870 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.005   0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   19737 (2000 AQ51)          Discovered 2000-Jan-04 by LINEAR at Socorro Reference: 20001211/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 AQ51 = 1980 FR5 = 1993 PJ8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 19:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin