+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14088 Ancus (1997 JB10) Classification: Main-belt Asteroid          SPK-ID: 2014088 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09010782037658806 4.5531e-08   a 2.280715526801555 7.0346e-09 au q 2.075205221782425 1.0415e-07 au i 2.952845327668892 3.2283e-06 deg node 115.6394624328489 0.0001003 deg peri 50.82424996208822 0.00010236 deg M .7079545595010569 2.1368e-05 deg tp 2459198.025952759280 (2020-Dec-14.52595276) 7.4673e-05 TDB period 1258.070867269878 3.44 5.8206e-06 1.594e-08 d yr n .286152401558452 1.3239e-09 deg/d Q 2.486225831820685 7.6685e-09 au   Orbit Determination Parameters    # obs. used (total)      1290      data-arc span      10272 days (28.12 yr)      first obs. used      1993-01-29      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5294      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:17:04   Additional Information  Earth MOID = 1.08335 au   Jupiter MOID = 2.48115 au   T_jup = 3.598  [ 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 15.35   n/a E2021B10   diameter diameter 1.981 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.411   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14088 Ancus           Discovered 1997 May 3 by V. S. Casulli at Colleverde di Guidonia. Ancus Marcius, fourth king of Rome, reigned from 640 to 616 B.C. He transferred to Rome the neighboring populations, thereby beginning the long battle between Patricii and Plebeii. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020624/MPCPages.arc Last Updated: 2003-10-02 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2059-Nov-16 15:21 00:01 Thisb 0.0057317203343704 0.00572991794076105 0.00573352677460894 4.47412063366103 4.47412036778322 2473414.139468919 1.06109198495897 286.803959558107 42.4775441989417 -73.7702719424995 19388.3569158279 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 00:17:10 2021-Apr-13 00:17 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 03:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin