+ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06735717502026317 4.5802e-08   a 2.149358865545156 6.1215e-09 au q 2.004584124257276 9.909e-08 au i 3.661692737016299 4.253e-06 deg node 335.1169305914699 4.2195e-05 deg peri 1.589812616819729 4.6812e-05 deg M 263.6551562614477 2.0879e-05 deg tp 2459508.526302318982 (2021-Oct-21.02630232) 6.6955e-05 TDB period 1150.96422944803 3.15 4.917e-06 1.346e-08 d yr n .3127812235942778 1.3362e-09 deg/d Q 2.294133606833035 6.5338e-09 au   Orbit Determination Parameters    # obs. used (total)      1919      data-arc span      9738 days (26.66 yr)      first obs. used      1993-10-14      last obs. used      2020-06-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48341      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:04:00   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-Mar-08 16:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin