+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58094 (1972 AP) Classification: Main-belt Asteroid          SPK-ID: 2058094 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1877030384953153 3.9522e-08   a 2.425946092890338 1.0919e-08 au q 1.970588640028983 9.4644e-08 au i 13.09183943591192 5.8476e-06 deg node 77.67543958563741 2.1282e-05 deg peri 52.43952119161672 2.8267e-05 deg M 273.4325742463634 1.9285e-05 deg tp 2459332.373173671452 (2021-Apr-27.87317367) 7.5258e-05 TDB period 1380.130476118539 3.78 9.318e-06 2.551e-08 d yr n .2608449028764724 1.7611e-09 deg/d Q 2.881303545751693 1.2969e-08 au   Orbit Determination Parameters    # obs. used (total)      939      data-arc span      17834 days (48.83 yr)      first obs. used      1972-01-14      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54768      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:56:54   Additional Information  Earth MOID = 1.01408 au   Jupiter MOID = 2.28819 au   T_jup = 3.451  [ 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 14.8   n/a MPO432135   diameter diameter 2.216 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.394   0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58094 (1972 AP)          Discovered 1972-Jan-14 by Kohoutek, L. at Bergedorf Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1972 AP = 1999 JV88 = 2001 UP51  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 21:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin