+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233935 (2009 VE31) Classification: Main-belt Asteroid          SPK-ID: 2233935 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1584813653852207 1.3333e-07   a 2.570826979326902 2.4737e-08 au q 2.163398809474012 3.5383e-07 au i 8.462672819516127 1.0641e-05 deg node 31.60711057853759 3.7806e-05 deg peri 19.53088812003693 6.1029e-05 deg M 204.6377040148244 4.3506e-05 deg tp 2459650.256795422926 (2022-Mar-11.75679542) 0.00018753 TDB period 1505.593392972082 4.12 2.1731e-05 5.95e-08 d yr n .2391083819047255 3.4511e-09 deg/d Q 2.978255149179792 2.8657e-08 au   Orbit Determination Parameters    # obs. used (total)      314      data-arc span      6318 days (17.30 yr)      first obs. used      2001-12-19      last obs. used      2019-04-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59824      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 07:25:48   Additional Information  Earth MOID = 1.17556 au   Jupiter MOID = 2.4206 au   T_jup = 3.397  [ 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 16.6   n/a MPO338669   diameter diameter 2.952 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.061   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   233935 (2009 VE31)          Discovered 2009-Nov-09 by Mt. Lemmon Survey at Mount Lemmon Reference: 20100228/Numbers.arc Last Updated: 2010-03-03 Alternate Designations  2009 VE31 = 2001 YJ152 = 2005 YM181  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-05 12:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin