+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1988534719480571 3.7561e-08   a 2.233964142771407 3.9929e-09 au q 1.789732616773847 8.4079e-08 au i 4.566970872719657 3.6216e-06 deg node 45.18099331922293 4.1163e-05 deg peri 318.9534547924927 4.1717e-05 deg M 299.2510161042138 7.7767e-06 deg tp 2459602.301834309119 (2022-Jan-22.80183431) 2.6567e-05 TDB period 1219.586824339 3.34 3.2698e-06 8.952e-09 d yr n .2951819360586446 7.9139e-10 deg/d Q 2.678195668768966 4.7869e-09 au   Orbit Determination Parameters    # obs. used (total)      3120      data-arc span      32801 days (89.80 yr)      first obs. used      1931-09-08      last obs. used      2021-06-28      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .39143      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 12:25:27   Additional Information  Earth MOID = .7902 au   Jupiter MOID = 2.78392 au   T_jup = 3.609  [ 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 12.43   n/a E2021B10   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-Jul-28 04:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin