+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27881 (1996 EC1) Classification: Main-belt Asteroid          SPK-ID: 2027881 [ 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 .0633873647338925 3.2733e-08   a 2.520129650588035 8.6239e-09 au q 2.360385273249514 8.4222e-08 au i 1.938725430027944 4.1066e-06 deg node 12.88920218856311 9.2427e-05 deg peri 227.8935735457097 9.8142e-05 deg M 320.5280602253999 3.3899e-05 deg tp 2459160.720735745230 (2020-Nov-07.22073575) 0.00013773 TDB period 1461.277687330667 4.00 7.5008e-06 2.054e-08 d yr n .2463597460778425 1.2646e-09 deg/d Q 2.679874027926556 9.1706e-09 au   Orbit Determination Parameters    # obs. used (total)      1584      data-arc span      8867 days (24.28 yr)      first obs. used      1996-03-15      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52999      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:20:43   Additional Information  Earth MOID = 1.34826 au   Jupiter MOID = 2.31231 au   T_jup = 3.453  [ 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 14.8   n/a MPO319429   27881 (1996 EC1)          Discovered 1996-Mar-15 by JPL/GEODSS NEAT at Haleakala Reference: 20010902/Numbers.arc Last Updated: 2004-04-19 [ 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 2049-Dec-13 23:39 00:01 Psych 0.0292860920510534 0.0292805346909415 0.0292916495661295 3.28165179082257 3.28165166493025 2469789.485209097 1.27974218889179 296.777554521116 34.8127858139174 -21.2954479800515 47663.3352417324 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:20:47 2020-Nov-13 01:20 2069-Dec-06 04:18 00:02 Psych 0.0204038920118669 0.0203953307583529 0.0204124534394495 3.37895946845276 3.37895929296082 2477086.679135096 1.80106633749823 436.738793614625 34.8837531431713 -12.5162649500759 20124.5303446236 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:20:47 2020-Nov-13 01:20 2089-Dec-24 01:41 00:04 Psych 0.0445422675548551 0.0445315868580588 0.0445529484618108 3.0139205615342 3.01392047140842 2484409.570040808 3.99160084355984 552.93912042828 34.2918642168294 15.9917406096106 54683.0731793083 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:20:47 2020-Nov-13 01:20 2109-Dec-08 22:56 00:04 Psych 0.0245608857539575 0.024549825498743 0.0245719493820589 3.1413947351385 3.14139457832385 2491698.455725641 3.93161288181514 713.710413028522 34.4741930006454 39.554575253367 67885.4803037046 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:20:47 2020-Nov-13 01:20 2137-Oct-10 18:31 < 00:01 Amphi 0.038850060278583 0.0388346704317284 0.038865454581343 3.32601272921285 3.32601268472336 2501866.271803763 0.468046231446846 1009.60577383944 34.9747480635667 -40.5832355219201 108110.843385364 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:20:47 2020-Nov-13 01:20 Alternate Designations  1996 EC1 = 2000 EX49  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 15:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin