+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   434647 (2005 XW97) Classification: Outer Main-belt Asteroid          SPK-ID: 2434647 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09923149451081795 6.7782e-08   a 3.425629007500901 6.0742e-08 au q 3.085698721446977 2.1339e-07 au i 8.008380079649315 8.0756e-06 deg node 202.7964106509715 5.836e-05 deg peri 234.1246149541754 8.5594e-05 deg M 100.2213978625304 5.6009e-05 deg tp 2458555.786338234139 (2019-Mar-13.28633823) 0.00036481 TDB period 2315.841957763029 6.34 6.1595e-05 1.686e-07 d yr n .155451022377943 4.1346e-09 deg/d Q 3.765559293554825 6.6769e-08 au   Orbit Determination Parameters    # obs. used (total)      117      data-arc span      6504 days (17.81 yr)      first obs. used      2002-05-08      last obs. used      2020-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62009      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 10:07:54   Additional Information  Earth MOID = 2.10902 au   Jupiter MOID = 1.59182 au   T_jup = 3.118  [ hide covariance matrix ] Orbital Elements at Epoch 2457838.5 (2017-Mar-26.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09935256692487687 6.7466e-08   q 3.085498487687276 2.1282e-07 au tp 2458559.541050508902 (2019-Mar-17.04105051) 0.00036489 TDB node 202.8211494692637 5.8363e-05 deg peri 234.8563564868395 8.5616e-05 deg i 8.007822358887507 8.0755e-06 deg   Orbit Determination Parameters    # obs. used (total)      117      data-arc span      6504 days (17.81 yr)      first obs. used      2002-05-08      last obs. used      2020-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62009      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 10:07:54   Additional Information  Jupiter MOID = 1.59182 au   T_jup = 3.118  Orbit Covariance (6×6)   e q tp node peri i e 4.551639015058097E-15 -1.397519090942757E-14 -4.215118872363677E-12 8.461745034335528E-15 -8.991084116652171E-13 -2.724862013966721E-15 q -1.397519090942757E-14 4.529128840631246E-14 8.777174651138193E-12 -2.862153388456272E-14 1.93640582989411E-12 1.352609007551427E-14 tp -4.215118872363677E-12 8.777174651138193E-12 1.331424690123003E-7 -4.162688190956981E-11 2.292287382081208E-8 -6.498908649761188E-11 node 8.461745034335528E-15 -2.862153388456272E-14 -4.162688190956981E-11 3.406244263206482E-9 -3.380293585770128E-9 -1.280656714788323E-10 peri -8.991084116652171E-13 1.93640582989411E-12 2.292287382081208E-8 -3.380293585770128E-9 7.330168622850467E-9 1.159080537324217E-10 i -2.724862013966721E-15 1.352609007551427E-14 -6.498908649761188E-11 -1.280656714788323E-10 1.159080537324217E-10 6.521301326988646E-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 16.36   n/a E2021B25   434647 (2005 XW97)          Discovered 2005-Dec-01 by Buie, M. W. at Kitt Peak Reference: Last Updated: 2015-06-04 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 21:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin