+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46144 (2001 FB63) Classification: Main-belt Asteroid          SPK-ID: 2046144 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05397934372300059 5.8092e-08   a 2.53067536040022 1.5573e-08 au q 2.394071165269848 1.4612e-07 au i 2.739867856014365 4.2553e-06 deg node 124.7556361898912 0.00012363 deg peri 215.6778839317855 0.00014048 deg M 116.825406775743 6.8459e-05 deg tp 2458523.313791906215 (2019-Feb-08.81379191) 0.00027943 TDB period 1470.45954861106 4.03 1.3573e-05 3.716e-08 d yr n .2448214235747201 2.2599e-09 deg/d Q 2.667279555530591 1.6414e-08 au   Orbit Determination Parameters    # obs. used (total)      582      data-arc span      9844 days (26.95 yr)      first obs. used      1993-03-23      last obs. used      2020-03-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58991      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:48:40   Additional Information  Earth MOID = 1.3855 au   Jupiter MOID = 2.52465 au   T_jup = 3.447  [ hide covariance matrix ] Orbital Elements at Epoch 2457174.5 (2015-Jun-01.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05511701488737578 5.7891e-08   q 2.390698426305073 1.4563e-07 au tp 2457048.579274820127 (2015-Jan-26.07927482) 0.00027491 TDB node 124.8180913788668 0.0001236 deg peri 214.5299477055127 0.00013998 deg i 2.74002542442951 4.2555e-06 deg   Orbit Determination Parameters    # obs. used (total)      582      data-arc span      9844 days (26.95 yr)      first obs. used      1993-03-23      last obs. used      2020-03-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58991      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:48:40   Additional Information  Jupiter MOID = 2.52465 au   T_jup = 3.447  Orbit Covariance (6×6)   e q tp node peri i e 3.351311530482824E-15 -8.388302505434465E-15 8.942348284792358E-12 -8.697208593081985E-14 2.059175128724702E-12 -1.766807738729234E-15 q -8.388302505434465E-15 2.120900875067982E-14 -2.263604645518272E-11 2.185392827899555E-13 -5.213072326704502E-12 4.634085357226084E-15 tp 8.942348284792358E-12 -2.263604645518272E-11 7.557793646556788E-8 -3.704011025196252E-10 1.811251563927458E-8 -1.813261152200944E-11 node -8.697208593081985E-14 2.185392827899555E-13 -3.704011025196252E-10 1.527780801718869E-8 -1.534430463557166E-8 -8.136707958287897E-11 peri 2.059175128724702E-12 -5.213072326704502E-12 1.811251563927458E-8 -1.534430463557166E-8 1.95950856547156E-8 7.702728391010732E-11 i -1.766807738729234E-15 4.634085357226084E-15 -1.813261152200944E-11 -8.136707958287897E-11 7.702728391010732E-11 1.810945331255171E-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 15.7   n/a MPO452801   46144 (2001 FB63)          Discovered 2001-Mar-19 by LINEAR at Socorro Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2001 FB63 = 1999 XP63  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 15:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin