+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27868 (1995 MY1) Classification: Main-belt Asteroid          SPK-ID: 2027868 [ 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 .06297373963429738 3.8879e-08   a 3.038850695113319 2.0027e-08 au q 2.84748290265175 1.1665e-07 au i 8.892344403957239 4.5376e-06 deg node 171.9636137499603 2.33e-05 deg peri 137.0078976768557 3.9197e-05 deg M 199.457659471321 3.288e-05 deg tp 2459863.378326337309 (2022-Oct-10.87832634) 0.00017914 TDB period 1934.917582853725 5.30 1.9128e-05 5.237e-08 d yr n .1860544362148241 1.8392e-09 deg/d Q 3.230218487574889 2.1288e-08 au   Orbit Determination Parameters    # obs. used (total)      968      data-arc span      10449 days (28.61 yr)      first obs. used      1991-10-03      last obs. used      2020-05-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57878      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:20:47   Additional Information  Earth MOID = 1.84142 au   Jupiter MOID = 1.98348 au   T_jup = 3.219  [ hide covariance matrix ] Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06183440908355747 3.8673e-08   q 2.85246698626142 1.155e-07 au tp 2457921.846918684535 (2017-Jun-17.34691868) 0.00017831 TDB node 171.9862710385048 2.3297e-05 deg peri 135.6782412116841 3.9771e-05 deg i 8.890807653365867 4.5376e-06 deg   Orbit Determination Parameters    # obs. used (total)      968      data-arc span      10449 days (28.61 yr)      first obs. used      1991-10-03      last obs. used      2020-05-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57878      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:20:47   Additional Information  Jupiter MOID = 1.98348 au   T_jup = 3.219  Orbit Covariance (6×6)   e q tp node peri i e 1.495627238174646E-15 -4.40862210394761E-15 1.874845168110974E-12 4.888241775402073E-15 3.209377140781776E-13 1.833763510000225E-15 q -4.40862210394761E-15 1.333983090316452E-14 -4.962911240695109E-12 -1.47909342703856E-14 -8.69170819247339E-13 -5.602182723008249E-15 tp 1.874845168110974E-12 -4.962911240695109E-12 3.179326931243302E-8 8.761792155428943E-13 5.756807670303126E-9 -9.418430688308903E-13 node 4.888241775402073E-15 -1.47909342703856E-14 8.761792155428943E-13 5.427564129053849E-10 -5.357796435752304E-10 -1.273710230718973E-11 peri 3.209377140781776E-13 -8.69170819247339E-13 5.756807670303126E-9 -5.357796435752304E-10 1.581712136939249E-9 1.240861046810332E-11 i 1.833763510000225E-15 -5.602182723008249E-15 -9.418430688308903E-13 -1.273710230718973E-11 1.240861046810332E-11 2.058989895657146E-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 14.6   n/a MPO431820   27868 (1995 MY1)          Discovered 1995-Jun-23 by Spacewatch at Kitt Peak Reference: 20010902/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-24 12:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin