+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14147 Wenlingshuguang (1998 SG43) Classification: Main-belt Asteroid          SPK-ID: 2014147 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02884290169383868 4.0148e-08   a 2.324907126300334 6.8327e-09 au q 2.257850058609149 9.4798e-08 au i 3.606561742306992 3.3324e-06 deg node 83.91297284711152 7.0871e-05 deg peri 291.5035661194386 9.6194e-05 deg M 35.43254450853338 6.4511e-05 deg tp 2458873.059730713508 (2020-Jan-24.55973071) 0.00023202 TDB period 1294.812370364429 3.55 5.708e-06 1.563e-08 d yr n .2780325615043954 1.2257e-09 deg/d Q 2.39196419399152 7.0298e-09 au   Orbit Determination Parameters    # obs. used (total)      2072      data-arc span      11122 days (30.45 yr)      first obs. used      1990-05-31      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48096      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:55:38   Additional Information  Earth MOID = 1.26074 au   Jupiter MOID = 2.69961 au   T_jup = 3.572  [ 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 14.0   n/a MPO395140   diameter diameter 4.518 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.286   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14147 Wenlingshuguang           Discovered 1998 Sept. 23 by the Beijing Schmidt CCD Asteroid Program at Xinglong. Wenlingshuguang is the event of the first sunlight ("Shuguang" in Chinese) of the new millennium shining on Wenling, Zhejiang, the first geographical point on China's mainland. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010109/MPCPages.arc Last Updated: 2009-05-11 Alternate Designations  1998 SG43 = 1997 JT13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 15:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin