+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226653 (2004 FX127) Classification: Main-belt Asteroid          SPK-ID: 2226653 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1057081507810739 4e-08   a 2.291428495031574 1.0767e-08 au q 2.049205826174727 9.2534e-08 au i 2.419625098390863 4.4413e-06 deg node 295.4172146153198 0.00010398 deg peri 271.0453995785658 0.00010614 deg M 283.2165353856182 2.2096e-05 deg tp 2459470.723487507438 (2021-Sep-13.22348751) 7.8252e-05 TDB period 1266.94537673228 3.47 8.9297e-06 2.445e-08 d yr n .2841480040193337 2.0027e-09 deg/d Q 2.533651163888421 1.1905e-08 au   Orbit Determination Parameters    # obs. used (total)      417      data-arc span      9188 days (25.16 yr)      first obs. used      1995-11-23      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58567      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:09:48   Additional Information  Earth MOID = 1.04546 au   Jupiter MOID = 2.43429 au   T_jup = 3.589  [ hide covariance matrix ] Orbital Elements at Epoch 2457349.5 (2015-Nov-23.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1056238749036224 4.004e-08   q 2.049313766506037 9.261e-08 au tp 2456938.108615713341 (2014-Oct-07.60861571) 7.5506e-05 TDB node 295.4814609551601 0.00010405 deg peri 271.246448425105 0.0001062 deg i 2.418708754316253 4.4405e-06 deg   Orbit Determination Parameters    # obs. used (total)      417      data-arc span      9188 days (25.16 yr)      first obs. used      1995-11-23      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58567      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:09:48   Additional Information  Jupiter MOID = 2.43429 au   T_jup = 3.589  Orbit Covariance (6×6)   e q tp node peri i e 1.603219469665138E-15 -3.688046582589523E-15 -4.104343406820521E-13 -3.73572336150205E-15 -1.466506303505844E-13 -1.37549795866627E-16 q -3.688046582589523E-15 8.57659033382504E-15 9.675907478057915E-13 8.29830619708103E-15 3.501716267892839E-13 3.657393386716857E-16 tp -4.104343406820521E-13 9.675907478057915E-13 5.701206865205532E-9 7.311526968427836E-13 1.622922730218291E-9 -1.054918076057963E-12 node -3.73572336150205E-15 8.29830619708103E-15 7.311526968427836E-13 1.082634797615431E-8 -1.081595244341539E-8 5.182205979611471E-11 peri -1.466506303505844E-13 3.501716267892839E-13 1.622922730218291E-9 -1.081595244341539E-8 1.12790920204101E-8 -5.207611196201706E-11 i -1.37549795866627E-16 3.657393386716857E-16 -1.054918076057963E-12 5.182205979611471E-11 -5.207611196201706E-11 1.971781025900199E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.1   n/a MPO503111   diameter diameter 2.158 km 0.323 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.060   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   226653 (2004 FX127)          Discovered 2004-Mar-27 by CSS at Catalina Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-02 18:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin