+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2275 Cuitlahuac (1979 MH) Classification: Main-belt Asteroid          SPK-ID: 2002275 [ 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 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1699708999095101 1.2648e-08   a 2.295679304550737 6.668e-09 au q 1.90548062725261 2.8635e-08 au i 6.394306415146262 3.7342e-07 deg node 197.1917757010866 3.3022e-06 deg peri 154.2173396938555 5.7323e-06 deg M 269.2099501973981 4.3325e-06 deg tp 2459520.906272148402 (2021-Nov-02.40627215) 1.6373e-05 TDB period 1270.472460629922 3.48 5.5353e-06 1.515e-08 d yr n .283359152721426 1.2346e-09 deg/d Q 2.685877981848865 7.8014e-09 au   Orbit Determination Parameters    # obs. used (total)      2969      data-arc span      32399 days (88.70 yr)      first obs. used      1931-12-05      last obs. used      2020-08-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4535      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 13:34:26   Additional Information  Earth MOID = .900938 au   Jupiter MOID = 2.76197 au   T_jup = 3.568  [ 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 12.66   n/a E2021B10   diameter diameter 7.013 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 6.2891 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Oey, J. (2011) http://minorplanet.haoeydental.com.au] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.177   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   2275 Cuitlahuac (1979 MH)          Discovered 1979-Jun-16 by Schuster, H.-E. at La Silla Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1979 MH = 1931 XS = 1948 PX = 1955 QF = 1969 TH = 1972 LS = 1976 WF = 1982 HH  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 00:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin