+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100236 (1994 PS27) Classification: Main-belt Asteroid          SPK-ID: 2100236 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1205614225706859 3.3926e-08   a 2.389026803705014 9.9017e-09 au q 2.101002333690838 8.5691e-08 au i 2.304591083715017 3.3105e-06 deg node 67.10230950811574 8.513e-05 deg peri 354.5669129982428 8.6355e-05 deg M 329.5558679115377 1.5213e-05 deg tp 2459314.559393301074 (2021-Apr-10.05939330) 5.7241e-05 TDB period 1348.745349976587 3.69 8.3851e-06 2.296e-08 d yr n .2669147293121339 1.6594e-09 deg/d Q 2.677051273719189 1.1095e-08 au   Orbit Determination Parameters    # obs. used (total)      795      data-arc span      9680 days (26.50 yr)      first obs. used      1994-08-12      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53614      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:31:15   Additional Information  Earth MOID = 1.11321 au   Jupiter MOID = 2.60084 au   T_jup = 3.522  [ hide covariance matrix ] Orbital Elements at Epoch 2457862.5 (2017-Apr-19.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1217249687103965 3.4158e-08   q 2.098562348258129 8.6397e-08 au tp 2457962.371960689439 (2017-Jul-27.87196069) 5.3777e-05 TDB node 67.12963051788857 8.4991e-05 deg peri 353.8320775434593 8.6181e-05 deg i 2.307001944847353 3.314e-06 deg   Orbit Determination Parameters    # obs. used (total)      795      data-arc span      9680 days (26.50 yr)      first obs. used      1994-08-12      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53614      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:31:15   Additional Information  Jupiter MOID = 2.60084 au   T_jup = 3.522  Orbit Covariance (6×6)   e q tp node peri i e 1.166769445797211E-15 -2.939796342977462E-15 -5.575689333492494E-13 1.536168994055828E-15 -1.323151964967383E-13 -6.603669994228971E-16 q -2.939796342977462E-15 7.464464870056727E-15 1.440654301225343E-12 -3.483810651902875E-15 3.408077400162018E-13 1.740065753454785E-15 tp -5.575689333492494E-13 1.440654301225343E-12 2.891978733393911E-9 2.768678542391678E-12 7.788894562543462E-10 1.145651739186027E-12 node 1.536168994055828E-15 -3.483810651902875E-15 2.768678542391678E-12 7.22341839419929E-9 -7.216547868194894E-9 -6.250314324267072E-11 peri -1.323151964967383E-13 3.408077400162018E-13 7.788894562543462E-10 -7.216547868194894E-9 7.427127511594125E-9 6.275700061266629E-11 i -6.603669994228971E-16 1.740065753454785E-15 1.145651739186027E-12 -6.250314324267072E-11 6.275700061266629E-11 1.098236741329739E-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 16.39   n/a E2021B55   100236 (1994 PS27)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 16:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin