+ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05397934203695164 5.8143e-08   a 2.530675360850614 1.5609e-08 au q 2.394071169962773 1.4629e-07 au i 2.73986793258161 4.2607e-06 deg node 124.7556391738157 0.000124 deg peri 215.6778802748276 0.00014082 deg M 116.8254073562305 6.8461e-05 deg tp 2458523.313789407760 (2019-Feb-08.81378941) 0.00027944 TDB period 1470.459549003615 4.03 1.3604e-05 3.725e-08 d yr n .2448214235093624 2.265e-09 deg/d Q 2.667279551738455 1.6451e-08 au   Orbit Determination Parameters    # obs. used (total)      574      data-arc span      9807 days (26.85 yr)      first obs. used      1993-03-23      last obs. used      2020-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58847      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 08:22:31   Additional Information  Earth MOID = 1.3855 au   Jupiter MOID = 2.52465 au   T_jup = 3.447  [ hide covariance matrix ] Orbital Elements at Epoch 2457156.5 (2015-May-14.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05512250351319084 5.7948e-08   q 2.390710753318551 1.4583e-07 au tp 2457048.623796836395 (2015-Jan-26.12379684) 0.00027488 TDB node 124.8181563506481 0.00012398 deg peri 214.5420639629561 0.00014032 deg i 2.740026760621622 4.2609e-06 deg   Orbit Determination Parameters    # obs. used (total)      574      data-arc span      9807 days (26.85 yr)      first obs. used      1993-03-23      last obs. used      2020-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58847      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 08:22:31   Additional Information  Jupiter MOID = 2.52465 au   T_jup = 3.447  Orbit Covariance (6×6)   e q tp node peri i e 3.358001210320677E-15 -8.407891770249941E-15 8.94761173279004E-12 -8.820512729000859E-14 2.061815976505729E-12 -1.792337367222179E-15 q -8.407891770249941E-15 2.126631868599753E-14 -2.265284334519914E-11 2.217706722631007E-13 -5.220773281748779E-12 4.700297021458143E-15 tp 8.94761173279004E-12 -2.265284334519914E-11 7.555628612602084E-8 -3.774689697271863E-10 1.811437225995377E-8 -1.828634934556905E-11 node -8.820512729000859E-14 2.217706722631007E-13 -3.774689697271863E-10 1.53699123394776E-8 -1.543794913446994E-8 -7.932246623019176E-11 peri 2.061815976505729E-12 -5.220773281748779E-12 1.811437225995377E-8 -1.543794913446994E-8 1.968902975940695E-8 7.494936003582893E-11 i -1.792337367222179E-15 4.700297021458143E-15 -1.828634934556905E-11 -7.932246623019176E-11 7.494936003582893E-11 1.815541838693859E-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 ] 2020-Jul-10 07:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin