+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   447871 (2007 VT108) Classification: Main-belt Asteroid          SPK-ID: 2447871 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1938307524419403 3.3667e-07   a 2.542676340653991 5.9721e-08 au q 2.049827472328708 9.007e-07 au i 1.049655001766367 2.2157e-05 deg node 218.2723178540381 0.0002624 deg peri 126.5368691767979 0.00035608 deg M 85.54187227007736 0.00019447 deg tp 2458648.606454819538 (2019-Jun-14.10645482) 0.00081166 TDB period 1480.931769473084 4.05 5.2175e-05 1.428e-07 d yr n .2430901999813861 8.5643e-09 deg/d Q 3.035525208979273 7.1297e-08 au   Orbit Determination Parameters    # obs. used (total)      131      data-arc span      5809 days (15.90 yr)      first obs. used      2003-12-01      last obs. used      2019-10-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56033      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 16:23:39   Additional Information  Earth MOID = 1.04262 au   Jupiter MOID = 2.37923 au   T_jup = 3.418  [ hide covariance matrix ] Orbital Elements at Epoch 2457075.5 (2015-Feb-22.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1958719967327741 3.4049e-07   q 2.043829625936085 9.1232e-07 au tp 2457167.419981012306 (2015-May-24.91998101) 0.00084466 TDB node 218.342745439983 0.00026302 deg peri 126.3409395492685 0.00035422 deg i 1.046849205853688 2.2161e-05 deg   Orbit Determination Parameters    # obs. used (total)      131      data-arc span      5809 days (15.90 yr)      first obs. used      2003-12-01      last obs. used      2019-10-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56033      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 16:23:39   Additional Information  Jupiter MOID = 2.37923 au   T_jup = 3.418  Orbit Covariance (6×6)   e q tp node peri i e 1.159348388550466E-13 -3.10575490749957E-13 2.814609094065975E-10 -2.200998617459232E-12 7.870708710925655E-11 -3.597764226210705E-13 q -3.10575490749957E-13 8.323322038525503E-13 -7.558599731463174E-10 5.906578470166671E-12 -2.114226017207584E-10 9.65842200575009E-13 tp 2.814609094065975E-10 -7.558599731463174E-10 7.134548884648493E-7 -5.490257632127434E-9 2.004287183085651E-7 -9.015594000213823E-10 node -2.200998617459232E-12 5.906578470166671E-12 -5.490257632127434E-9 6.918107921733584E-8 -7.066639910067426E-8 1.17995499368221E-9 peri 7.870708710925655E-11 -2.114226017207584E-10 2.004287183085651E-7 -7.066639910067426E-8 1.254697148324317E-7 -1.425888168334028E-9 i -3.597764226210705E-13 9.65842200575009E-13 -9.015594000213823E-10 1.17995499368221E-9 -1.425888168334028E-9 4.911051719006836E-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.8   n/a MPO495224   447871 (2007 VT108)          Discovered 2007-Nov-03 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-10-28 Alternate Designations  2007 VT108 = 2003 XY30  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 04:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin