+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19831 (2000 SV225) Classification: Main-belt Asteroid          SPK-ID: 2019831 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1792753875919989 3.3402e-08   a 2.600481230276677 1.2724e-08 au q 2.134278949793107 8.7068e-08 au i 14.93081588489779 3.857e-06 deg node 70.73109308527201 1.6864e-05 deg peri 178.8111880291587 2.1288e-05 deg M 26.02713772504216 1.4528e-05 deg tp 2458889.760407385333 (2020-Feb-10.26040739) 6.1617e-05 TDB period 1531.71869156102 4.19 1.1242e-05 3.078e-08 d yr n .2350301017957242 1.725e-09 deg/d Q 3.066683510760246 1.5005e-08 au   Orbit Determination Parameters    # obs. used (total)      1434      data-arc span      11009 days (30.14 yr)      first obs. used      1990-04-27      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49964      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 18:36:20   Additional Information  Earth MOID = 1.12027 au   Jupiter MOID = 1.97563 au   T_jup = 3.345  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.9   n/a MPO384924   diameter diameter 4.764 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.258   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19831 (2000 SV225)          Discovered 2000-Sep-27 by LINEAR at Socorro Reference: 20001211/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 SV225 = 1990 HP1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-05 05:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin