+ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1986677657527029 3.9896e-08   a 2.233711162532501 4.1937e-09 au q 1.789944756535297 8.8993e-08 au i 4.567058063298204 3.7469e-06 deg node 45.18604911693961 4.2946e-05 deg peri 319.0128266250026 4.3506e-05 deg M 182.2513463487694 8.0042e-06 deg tp 2459602.564149859376 (2022-Jan-23.06414986) 2.7799e-05 TDB period 1219.379666158584 3.34 3.434e-06 9.402e-09 d yr n .2952320839776746 8.3142e-10 deg/d Q 2.677477568529706 5.0268e-09 au   Orbit Determination Parameters    # obs. used (total)      2845      data-arc span      32375 days (88.64 yr)      first obs. used      1931-09-08      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40126      source      ORB      producer      Otto Matic      solution date      2020-May-20 01:25:03   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. 2019-August); 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.] 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 ] 2020-Aug-08 12:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin