+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20237 Clavius (1998 CC3) Classification: Main-belt Asteroid          SPK-ID: 2020237 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06735717593963529 4.58e-08   a 2.149358864609964 6.1208e-09 au q 2.004584121409016 9.9084e-08 au i 3.661692740560469 4.2519e-06 deg node 335.1169306394127 4.2195e-05 deg peri 1.589812706893468 4.6811e-05 deg M 263.6551562870718 2.0877e-05 deg tp 2459508.526302036025 (2021-Oct-21.02630204) 6.6948e-05 TDB period 1150.964228696849 3.15 4.9164e-06 1.346e-08 d yr n .3127812237984158 1.3361e-09 deg/d Q 2.294133607810912 6.533e-09 au   Orbit Determination Parameters    # obs. used (total)      1923      data-arc span      9738 days (26.66 yr)      first obs. used      1993-10-14      last obs. used      2020-06-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48326      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:15:49   Additional Information  Earth MOID = .992836 au   Jupiter MOID = 2.91065 au   T_jup = 3.701  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.74   n/a E2021B10   diameter diameter 3.639 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.193   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20237 Clavius           Discovered 1998 Feb. 6 by E. W. Elst at the European Southern Observatory. Christopher Clavius (1538-1612) was a German mathematician and astronomer. He figured out where to place the leap years in the Gregorian calendar. Pope Gregory XII revised the Julian calendar with the assistance of Clavius. 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 Alternate Designations  1998 CC3 = 1993 TB12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jun-17 01:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin