+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22446 Philwhitney (1996 TU25) Classification: Main-belt Asteroid          SPK-ID: 2022446 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1421582494032257 3.0391e-08   a 2.152156206790905 6.1277e-09 au q 1.846209447991223 6.4613e-08 au i 3.247959902447504 4.1227e-06 deg node 44.27174435992007 5.815e-05 deg peri 262.3580033335447 6.1336e-05 deg M 307.8277900165951 2.2229e-05 deg tp 2459367.626702543435 (2021-Jun-02.12670254) 7.1548e-05 TDB period 1153.211890674636 3.16 4.9252e-06 1.348e-08 d yr n .3121715990886965 1.3332e-09 deg/d Q 2.458102965590586 6.9988e-09 au   Orbit Determination Parameters    # obs. used (total)      1522      data-arc span      14513 days (39.73 yr)      first obs. used      1980-09-15      last obs. used      2020-06-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49775      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:06:25   Additional Information  Earth MOID = .832793 au   Jupiter MOID = 2.75761 au   T_jup = 3.689  [ 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 15.46   n/a E2021B10   22446 Philwhitney           Discovered 1996 Oct. 6 by Spacewatch at Kitt Peak. Phil Whitney (b. 1927) has long supported astronomy in Hawaii and organized events for the University of Hawaii's "Friends of the Institute for Astronomy". Name suggested by P. and R. Jedicke. 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 2017-07-09 Last Updated: 2017-07-11 [ show close-approach data ] Alternate Designations  1996 TU25 = 1980 RA2 = 1998 FO23  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 01:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin