+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2001 FB90) Classification: Apollo [NEO, PHA]          SPK-ID: 3071769 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2451993.5 (2001-Mar-25.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7812157977276931 0.0087767   a 2.448307800501923 0.066463 au q .5356510690498796 0.006949 au i 1.916195633924237 0.023885 deg node 265.9844980689276 0.64076 deg peri 14.67422907574944 0.3403 deg M 342.9671523189045 0.73869 deg tp 2452059.703692558737 (2001-May-30.20369256) 0.17536 TDB period 1399.256881020403 3.83 56.978 0.156 d yr n .2572794208719355 0.010476 deg/d Q 4.360964531953967 0.11839 au   Orbit Determination Parameters    # obs. used (total)      34      data-arc span      11 days      first obs. used      2001-03-17      last obs. used      2001-03-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      9      norm. resid. RMS      .2724      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:16:27   Additional Information  Earth MOID = .0318224 au   Jupiter MOID = .808133 au   T_jup = 2.981  [ 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 19.8   n/a MPO180965   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-01 20:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin