+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243219 (2007 VA1) Classification: Main-belt Asteroid          SPK-ID: 2243219 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0604951881969104 7.3857e-08   a 2.662960802755396 2.7469e-08 au q 2.501864487831713 1.8578e-07 au i 28.72792478734719 5.114e-06 deg node 276.2070844299332 1.5838e-05 deg peri 359.8206694458102 7.4496e-05 deg M 135.7861313918676 7.5162e-05 deg tp 2458401.814827459235 (2018-Oct-10.31482746) 0.00033105 TDB period 1587.250921028771 4.35 2.4559e-05 6.724e-08 d yr n .2268072396308123 3.5094e-09 deg/d Q 2.824057117679079 2.9131e-08 au   Orbit Determination Parameters    # obs. used (total)      705      data-arc span      7050 days (19.30 yr)      first obs. used      2001-06-24      last obs. used      2020-10-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4488      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 00:57:55   Additional Information  Earth MOID = 1.48546 au   Jupiter MOID = 2.32635 au   T_jup = 3.206  [ 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 14.5   n/a MPO503158   diameter diameter 7.369 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.053   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   243219 (2007 VA1)          Discovered 2007-Nov-02 by Mt. Lemmon Survey at Mount Lemmon Reference: 20100626/Numbers.arc Last Updated: 2010-06-28 Alternate Designations  2007 VA1 = 2006 VC149  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-03 20:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin