+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2348310892291312 5.9619e-08   a 2.523438800956427 7.2461e-09 au q 1.930856918724776 1.5172e-07 au i 6.786178991312837 2.7421e-06 deg node 133.0157714391246 4.0329e-05 deg peri 259.2136734879902 4.0693e-05 deg M 150.4968788781921 6.2423e-06 deg tp 2458388.413805371280 (2018-Sep-26.91380537) 2.4644e-05 TDB period 1464.156809821187 4.01 6.3065e-06 1.727e-08 d yr n .2458753035093049 1.059e-09 deg/d Q 3.116020683188077 8.9477e-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 = .950259 au   Jupiter MOID = 2.35888 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 14.1   n/a MPO337480   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 [ show close-approach data ] Alternate Designations  1994 WN3 = 1986 XU4 = 1998 QU98  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 21:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin