+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14922 Ohyama (1994 TA3) Classification: Main-belt Asteroid          SPK-ID: 2014922 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2096037929766897 3.5262e-08   a 2.290076978219612 7.0065e-09 au q 1.810068157376185 8.2437e-08 au i 5.448686120818969 3.9574e-06 deg node 9.000996886530327 3.9145e-05 deg peri 354.9512964953104 4.0079e-05 deg M 155.0883995262836 9.8698e-06 deg tp 2458455.181336543769 (2018-Dec-02.68133654) 3.3816e-05 TDB period 1265.824648677044 3.47 5.8092e-06 1.59e-08 d yr n .2843995812344531 1.3052e-09 deg/d Q 2.770085799063038 8.475e-09 au   Orbit Determination Parameters    # obs. used (total)      2462      data-arc span      13947 days (38.18 yr)      first obs. used      1982-02-20      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43023      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:06:01   Additional Information  Earth MOID = .808075 au   Jupiter MOID = 2.68727 au   T_jup = 3.564  [ 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 14.6   n/a MPO492917   diameter diameter 2.706 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.392   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   14922 Ohyama           Discovered 1994 Oct. 2 by K. Endate and K. Watanabe at Kitami. Tetsuya Ohyama (b. 1959) is a Japanese amateur astronomer skilled in the making of his own personal observatories. The Apollo 11 mission to the moon in 1969 was instrumental in steering him to his now deep interest in astronomy. 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 2015-09-28 Last Updated: 2015-10-05 [ show close-approach data ] Alternate Designations  1994 TA3 = 1982 DF7 = 1987 SR20 = 1987 SZ11 = 1987 UJ7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-04 06:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin