+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14656 Lijiang (1998 YN22) Classification: Main-belt Asteroid          SPK-ID: 2014656 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03828811896488849 3.4928e-08   a 2.723187861013857 1.0427e-08 au q 2.618922120227618 9.7516e-08 au i 9.92251609662677 3.7235e-06 deg node 136.2697981863211 2.1036e-05 deg peri 349.5016188895499 5.2379e-05 deg M 262.2089965317152 4.8472e-05 deg tp 2459446.373059688700 (2021-Aug-19.87305969) 0.00022147 TDB period 1641.401517471794 4.49 9.427e-06 2.581e-08 d yr n .2193247637266098 1.2596e-09 deg/d Q 2.827453601800096 1.0826e-08 au   Orbit Determination Parameters    # obs. used (total)      2317      data-arc span      10786 days (29.53 yr)      first obs. used      1991-05-07      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47079      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:57:19   Additional Information  Earth MOID = 1.63423 au   Jupiter MOID = 2.19076 au   T_jup = 3.335  [ 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 13.1   n/a MPO299068   diameter diameter 8.117 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.185   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14656 Lijiang           Discovered 1998 Dec. 29 by the Beijing Schmidt CCD Asteroid Program at Xinglong. Lijiang City, in the northwest of Yunnan Province in China, is in the center of the World Natural Heritage "Three Parallel Rivers of Yunnan Protected Areas" and contains the World Cultural Heritage "Old Town of Lijiang". NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040504/MPCPages.arc Last Updated: 2004-05-11 [ show close-approach data ] Alternate Designations  1998 YN22 = 1992 OQ4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 18:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin