+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26159 (1994 WN3) Classification: Main-belt Asteroid          SPK-ID: 2026159 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2349696027414475 5.9628e-08   a 2.523140179568565 7.2274e-09 au q 1.930278933914355 1.5173e-07 au i 6.786243739731161 2.7421e-06 deg node 133.0167549201319 4.0332e-05 deg peri 259.1899938424928 4.0695e-05 deg M 199.7101849691124 6.3121e-06 deg tp 2459852.299350179105 (2022-Sep-29.79935018) 2.6812e-05 TDB period 1463.896917088973 4.01 6.2899e-06 1.722e-08 d yr n .2459189549465524 1.0566e-09 deg/d Q 3.116001425222775 8.9256e-09 au   Orbit Determination Parameters    # obs. used (total)      1991      data-arc span      12255 days (33.55 yr)      first obs. used      1986-12-05      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48361      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:30:31   Additional Information  Earth MOID = .948539 au   Jupiter MOID = 2.36008 au   T_jup = 3.406  [ show covariance matrix ] [ 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 14.13   n/a E2020-QM5   diameter diameter 3.750 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.379   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   26159 (1994 WN3)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro Reference: 20010705/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1972-Apr-27 10:37 < 00:01 Juno 0.0414681029878839 0.0414648759915825 0.0414713302150004 3.10222437676869 3.10222428219756 2441434.942161495 0.882448952830231 228.962093293262 52.7215200550894 -47.0514159958862 87939.540004183 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 01:30:36 2020-Nov-13 01:30 2098-Jan-17 04:50 00:02 Iris 0.0221220350549756 0.0221130941623276 0.0221309803957872 3.49231287422748 3.49231279981688 2487355.701102403 2.07787404165051 666.110304029748 24.6130625080647 48.050939541022 99981.828785025 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 01:30:36 2020-Nov-13 01:30 2120-Aug-11 18:28 00:02 Juno 0.00468343586797033 0.0046781673676714 0.00468874676655796 2.86752895439704 2.86752804851082 2495597.269363264 1.9500872877965 759.932720129782 47.1429748547635 70.0325688415216 13943.17584129 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 01:30:36 2020-Nov-13 01:30 2196-Sep-19 02:13 00:36 Europ 0.0472967419829486 0.0472954688309378 0.0472980151568839 2.12398389434424 2.12398378854336 2523394.592591614 36.3849067740528 169.363723282745 59.957314140802 -82.5776397562862 116869.936845359 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 01:30:36 2020-Nov-13 01:30 Alternate Designations  1994 WN3 = 1986 XU4 = 1998 QU98  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 03:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin