+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27236 Millermatt (1999 RU96) Classification: Main-belt Asteroid          SPK-ID: 2027236 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06655002832879317 3.5323e-08   a 2.657351497985037 1.2393e-08 au q 2.480504680514572 9.188e-08 au i 3.347944401154915 3.8809e-06 deg node 27.2663733904413 6.5664e-05 deg peri 76.46177506408607 7.2504e-05 deg M 179.4017903241383 3.2457e-05 deg tp 2458212.009972675992 (2018-Apr-03.50997268) 0.00014049 TDB period 1582.238445468011 4.33 1.1069e-05 3.031e-08 d yr n .2275257569623239 1.5917e-09 deg/d Q 2.834198315455503 1.3218e-08 au   Orbit Determination Parameters    # obs. used (total)      1144      data-arc span      10011 days (27.41 yr)      first obs. used      1993-03-19      last obs. used      2020-08-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53405      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:24:23   Additional Information  Earth MOID = 1.50001 au   Jupiter MOID = 2.24358 au   T_jup = 3.382  [ hide covariance matrix ] Orbital Elements at Epoch 2457073.5 (2015-Feb-20.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0683160006869913 3.5366e-08   q 2.47265197212755 9.2337e-08 au tp 2456628.990654334780 (2013-Dec-02.49065433) 0.00013287 TDB node 27.350282585515 6.5565e-05 deg peri 75.42838453228806 7.209e-05 deg i 3.351999856231838 3.8852e-06 deg   Orbit Determination Parameters    # obs. used (total)      1144      data-arc span      10011 days (27.41 yr)      first obs. used      1993-03-19      last obs. used      2020-08-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53405      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:24:23   Additional Information  Jupiter MOID = 2.24358 au   T_jup = 3.382  Orbit Covariance (6×6)   e q tp node peri i e 1.250772925130524E-15 -3.241309970317945E-15 2.161794956785499E-13 2.750314652977322E-15 3.403597029351324E-14 1.70194448389234E-16 q -3.241309970317945E-15 8.526150896167434E-15 -9.3008328053579E-14 -6.454293771558235E-15 2.32405339273091E-14 -2.770014529807599E-16 tp 2.161794956785499E-13 -9.3008328053579E-14 1.765548699066594E-8 6.797981773597416E-12 3.998263870941589E-9 1.691338388846979E-12 node 2.750314652977322E-15 -6.454293771558235E-15 6.797981773597416E-12 4.298825349063649E-9 -4.289578873375715E-9 1.97596858547896E-11 peri 3.403597029351324E-14 2.32405339273091E-14 3.998263870941589E-9 -4.289578873375715E-9 5.197027348586446E-9 -1.932394019261584E-11 i 1.70194448389234E-16 -2.770014529807599E-16 1.691338388846979E-12 1.97596858547896E-11 -1.932394019261584E-11 1.509496319404579E-11 [ 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 MPO474122   diameter diameter 2.721 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.345   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   27236 Millermatt           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Matthew Miller (b. 1992) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for his materials and bioengineering project. He attends the Western Alamance High School, Elon, North Carolina, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20110319/MPCPages.arc Last Updated: 2011-03-23 [ show close-approach data ] Alternate Designations  1999 RU96 = 1993 FN61 = 2000 YH21  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 22:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin