+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5035 Swift (1991 UX) Classification: Main-belt Asteroid          SPK-ID: 2005035 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .157069124964484 2.983e-08   a 2.60882823882948 1.0352e-08 au q 2.199061870173897 7.946e-08 au i 13.49186205256454 4.1825e-06 deg node 51.86625526423396 1.837e-05 deg peri 53.17423077499264 2.4442e-05 deg M 275.7265923963856 1.7138e-05 deg tp 2459560.792076501643 (2021-Dec-12.29207650) 7.4048e-05 TDB period 1539.099358016567 4.21 9.1607e-06 2.508e-08 d yr n .2339030278486575 1.3922e-09 deg/d Q 3.018594607485062 1.1978e-08 au   Orbit Determination Parameters    # obs. used (total)      2905      data-arc span      15478 days (42.38 yr)      first obs. used      1978-09-27      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .37428      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 17:03:59   Additional Information  Earth MOID = 1.24271 au   Jupiter MOID = 2.27462 au   T_jup = 3.355  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.39   n/a E2021B10   diameter diameter 8.859 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 9.4752 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Warner, B.D. (2005) Minor Planet Bull. 32, 54-58.] [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.316   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   5035 Swift (1991 UX)          Discovered 1991-Oct-18 by Ueda and Kaneda at Kushiro Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 UX = 1949 WL = 1978 SX = 1978 TR9 = 1980 BN1 = 1988 AD2 = 1990 JE1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 18:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin