+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180955 (2005 MU29) Classification: Main-belt Asteroid          SPK-ID: 2180955 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06650450722496264 4.3592e-08   a 2.649909082033686 1.8399e-08 au q 2.473678184342083 1.1867e-07 au i 9.766152835852415 6.6536e-06 deg node 153.2101374651186 2.5445e-05 deg peri 140.1498509026692 5.5498e-05 deg M 221.5324040011735 4.9191e-05 deg tp 2459806.524998004610 (2022-Aug-15.02499800) 0.00021703 TDB period 1575.596064248191 4.31 1.6409e-05 4.493e-08 d yr n .2284849576415876 2.3796e-09 deg/d Q 2.826139979725289 1.9622e-08 au   Orbit Determination Parameters    # obs. used (total)      317      data-arc span      7142 days (19.55 yr)      first obs. used      2001-08-25      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .64402      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:28:38   Additional Information  Earth MOID = 1.46463 au   Jupiter MOID = 2.34198 au   T_jup = 3.367  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.24   n/a E2021B55   diameter diameter 3.207 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.075   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   180955 (2005 MU29)          Discovered 2005-Jun-29 by Spacewatch at Kitt Peak Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ show close-approach data ] Alternate Designations  2005 MU29 = 2004 FP50  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 18:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin