+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26264 McIntyre (1998 RH44) Classification: Main-belt Asteroid          SPK-ID: 2026264 [ 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 .1802878993996329 4.5316e-08   a 2.300418438195962 7.5612e-09 au q 1.885680830233428 1.0371e-07 au i 7.752662937142566 4.5707e-06 deg node 146.7270074898746 3.0789e-05 deg peri 203.8665557276169 3.2775e-05 deg M 80.63564960472615 1.0606e-05 deg tp 2458715.047878598679 (2019-Aug-19.54787860) 3.7375e-05 TDB period 1274.408579929792 3.49 6.2833e-06 1.72e-08 d yr n .2824839738758134 1.3927e-09 deg/d Q 2.715156046158496 8.9244e-09 au   Orbit Determination Parameters    # obs. used (total)      676      data-arc span      9652 days (26.43 yr)      first obs. used      1994-06-13      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5212      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 20:50:30   Additional Information  Earth MOID = .881892 au   Jupiter MOID = 2.70824 au   T_jup = 3.558  [ 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 16.0   n/a MPO502353   26264 McIntyre           Discovered 1998 Sept. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Nancy McIntyre mentored a finalist in the 2010 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Chaminade College Preparatory, West Hills, California. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20100228/MPCPages.arc Last Updated: 2010-10-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 13:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin