+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1472 Muonio (1938 UQ) Classification: Main-belt Asteroid          SPK-ID: 2001472 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1986677663492933 3.987e-08   a 2.23371116218461 4.1765e-09 au q 1.789944754923909 8.8927e-08 au i 4.567058118862862 3.7184e-06 deg node 45.18604990209718 4.2591e-05 deg peri 319.0128270821476 4.3133e-05 deg M 182.2513456340141 7.9578e-06 deg tp 2459602.564152139717 (2022-Jan-23.06415214) 2.7662e-05 TDB period 1219.379665873714 3.34 3.4199e-06 9.363e-09 d yr n .2952320840466465 8.2803e-10 deg/d Q 2.67747756944531 5.0063e-09 au   Orbit Determination Parameters    # obs. used (total)      2994      data-arc span      32474 days (88.91 yr)      first obs. used      1931-09-08      last obs. used      2020-08-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .396      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 22:35:24   Additional Information  Earth MOID = .79124 au   Jupiter MOID = 2.78314 au   T_jup = 3.610  [ 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 12.4   n/a MPO502167   diameter diameter 8.388 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 8.706 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm] [Stephens, R.D. (2009) Minor Planet Bull. 36, 18-19.] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.240   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   1472 Muonio (1938 UQ)          Discovered 1938-Oct-18 by Vaisala, Y. at Turku Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1938 UQ = 1931 RX = 1948 VU = 1948 WB = 1961 OA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-25 20:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin