+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27289 Myrahalpin (2000 AF126) Classification: Main-belt Asteroid          SPK-ID: 2027289 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2004304636203173 3.9085e-08   a 2.574833435427551 1.2022e-08 au q 2.058758376219713 1.0187e-07 au i 3.863336642896149 4.6151e-06 deg node 213.886802421126 4.6448e-05 deg peri 339.5849071829712 4.7422e-05 deg M 287.1655119764311 1.0053e-05 deg tp 2459305.821022335679 (2021-Apr-01.32102234) 4.2622e-05 TDB period 1509.11430866757 4.13 1.057e-05 2.894e-08 d yr n .2385505179643097 1.6708e-09 deg/d Q 3.09090849463539 1.4432e-08 au   Orbit Determination Parameters    # obs. used (total)      975      data-arc span      10452 days (28.62 yr)      first obs. used      1992-03-25      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55648      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:29:57   Additional Information  Earth MOID = 1.05857 au   Jupiter MOID = 1.87235 au   T_jup = 3.396  [ hide covariance matrix ] Orbital Elements at Epoch 2457104.5 (2015-Mar-23.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2008343919211757 3.9117e-08   q 2.057146032393909 1.0198e-07 au tp 2457797.789826099313 (2017-Feb-13.28982610) 4.1072e-05 TDB node 213.8999675011595 4.6466e-05 deg peri 339.7163948498169 4.743e-05 deg i 3.862435861444139 4.6149e-06 deg   Orbit Determination Parameters    # obs. used (total)      975      data-arc span      10452 days (28.62 yr)      first obs. used      1992-03-25      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55648      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:29:57   Additional Information  Jupiter MOID = 1.87235 au   T_jup = 3.396  Orbit Covariance (6×6)   e q tp node peri i e 1.530129715371149E-15 -3.971369594670313E-15 7.225767208090022E-13 -1.149874425675138E-16 1.817237830304535E-13 1.345688904621332E-15 q -3.971369594670313E-15 1.03991452721652E-14 -1.862228805739399E-12 3.332347765701627E-16 -4.801579498629252E-13 -3.400292390470203E-15 tp 7.225767208090022E-13 -1.862228805739399E-12 1.686922518928266E-9 -7.500291306652584E-12 3.95808520790955E-10 7.01455122003241E-13 node -1.149874425675138E-16 3.332347765701627E-16 -7.500291306652584E-12 2.159101165342432E-9 -2.155516791212291E-9 4.210806832638893E-11 peri 1.817237830304535E-13 -4.801579498629252E-13 3.95808520790955E-10 -2.155516791212291E-9 2.249611197860348E-9 -4.184963183042009E-11 i 1.345688904621332E-15 -3.400292390470203E-15 7.01455122003241E-13 4.210806832638893E-11 -4.184963183042009E-11 2.129718409331657E-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 15.0   n/a MPO452552   27289 Myrahalpin           Discovered 2000 Jan. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Myra Halpin mentored a finalist in the 2011 Intel Science Talent Search (STS), a science competition for high-school seniors. She teaches at the North Carolina School Of Science And Mathematics, Durham, 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 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1928-Feb-13 10:56 00:02 Jupiter 1.86844497227853 1.86844466447805 1.86844528007881 1.70646440033147 1.41610747048731 2425289.955371930 1.60525864926408 122.868072164878 62.7973849042529 -80.9039890290053 1934051.94062581 T 28 CATAB v2.0f-lin.ifort 2020-Dec-18 03:29:59 2020-Dec-18 03:30 2010-Sep-20 23:20 < 00:01 Jupiter 1.90898611527369 1.90898585402136 1.9089863765259 1.72633253481129 1.44665766093938 2455460.472035948 0.14660228509958 62.1645316717416 40.8009725583257 69.3262844336349 2531344.71646171 T 28 CATAB v2.0f-lin.ifort 2020-Dec-18 03:29:59 2020-Dec-18 03:30 2023-Jul-19 19:40 < 00:01 Jupiter 1.90432934728063 1.90432898577997 1.90432970878119 1.94944199305479 1.70609156453215 2460145.319393685 0.207307693515295 41.6178015651809 35.2755545506615 69.9573811890225 1978550.48802507 T 28 CATAB v2.0f-lin.ifort 2020-Dec-18 03:29:59 2020-Dec-18 03:30 2106-Feb-24 03:36 00:02 Jupiter 1.86964833595662 1.86964801976754 1.86964865214538 1.75561951872982 1.47516882683603 2490314.650167965 1.69183680355519 127.079999067928 57.0242565977581 -82.8360501560783 1953253.49376578 T 28 CATAB v2.0f-lin.ifort 2020-Dec-18 03:29:59 2020-Dec-18 03:30 2188-Sep-29 17:03 00:03 Jupiter 1.90556668174223 1.90556555826858 1.9055678052199 1.76876448996379 1.49650585968192 2520483.210202220 3.23334984641271 180.930692118419 41.9186032974508 89.7888862613342 2461516.56161882 T 28 CATAB v2.0f-lin.ifort 2020-Dec-18 03:29:59 2020-Dec-18 03:30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 22:07 UT (server date/time)   Site Manager:   Ryan S. 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