+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22754 Olympus (1998 WJ8) Classification: Main-belt Asteroid          SPK-ID: 2022754 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06954900425689788 2.0077e-08   a 3.129553631704121 1.647e-08 au q 2.911896292850541 6.0557e-08 au i 17.21112857759721 2.73e-07 deg node 79.81025318178212 9.7743e-07 deg peri 255.1021532875713 1.0339e-05 deg M 61.77902067850177 9.8177e-06 deg tp 2458853.475175319554 (2020-Jan-04.97517532) 5.4007e-05 TDB period 2022.190308504425 5.54 1.5963e-05 4.37e-08 d yr n .1780247875217291 1.4053e-09 deg/d Q 3.347210970557701 1.7616e-08 au   Orbit Determination Parameters    # obs. used (total)      2403      data-arc span      9028 days (24.72 yr)      first obs. used      1996-06-21      last obs. used      2021-03-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4458      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:11:26   Additional Information  Earth MOID = 1.95329 au   Jupiter MOID = 1.92451 au   T_jup = 3.141  [ 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 12.51   n/a E2021B10   diameter diameter 21.999 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   22754 Olympus           Discovered 1998 Nov. 26 by J. Broughton at Reedy Creek. Mount Olympus is the highest point in Greece. The cloud-veiled summit, and the heavens above, were believed by the ancients to be the dwelling place of the gods. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2018-05-29 Last Updated: 2018-09-17 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 23:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin