+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 ON3) Classification: Apollo [NEO]          SPK-ID: 3843409 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458695.5 (2019-Jul-31.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5469126135606081 0.0016695   a 1.801424134342025 0.0059693 au q .8162025528978722 0.0003054 au i 6.335032977640033 0.015328 deg node 305.2403702406407 0.0037526 deg peri 296.7279552637875 0.016337 deg M 18.95763155856406 0.11508 deg tp 2458648.994537279429 (2019-Jun-14.49453728) 0.051274 TDB period 883.1254330313441 2.42 4.3896 0.01202 d yr n .4076431122182649 0.0020262 deg/d Q 2.786645715786178 0.0092341 au   Orbit Determination Parameters    # obs. used (total)      18      first obs. used      2019-07-30      last obs. used      2019-07-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .5425      source      ORB      producer      Otto Matic      solution date      2019-Jul-30 20:42:03   Additional Information  Earth MOID = .000535247 au   Jupiter MOID = 2.28408 au   T_jup = 3.868  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 27.8   .35217 MPO473742 autocmod 2.6q [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Feb-25 07:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin