+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   49728 (1999 VE72) Classification: Main-belt Asteroid          SPK-ID: 2049728 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04944805496893431 5.9655e-08   a 2.582872071890906 1.2643e-08 au q 2.455154071702319 1.5287e-07 au i 15.54721267219478 3.7693e-06 deg node 110.06095915299 1.9912e-05 deg peri 278.1876022253725 4.9856e-05 deg M 52.5135725847147 4.3011e-05 deg tp 2458779.332231698870 (2019-Oct-22.83223170) 0.0001815 TDB period 1516.18700974807 4.15 1.1133e-05 3.048e-08 d yr n .2374377287797879 1.7434e-09 deg/d Q 2.710590072079493 1.3268e-08 au   Orbit Determination Parameters    # obs. used (total)      1240      data-arc span      8081 days (22.12 yr)      first obs. used      1998-09-30      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4714      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:28:33   Additional Information  Earth MOID = 1.5187 au   Jupiter MOID = 2.54629 au   T_jup = 3.370  [ 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 14.2   n/a MPO359074   diameter diameter 5.112 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.186   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   49728 (1999 VE72)          Discovered 1999-Nov-11 by BAO Schmidt CCD Asteroid Program at Xinglong Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 11:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin