+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17707 (1997 VM7) Classification: Main-belt Asteroid          SPK-ID: 2017707 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .126660541405388 3.2695e-08   a 2.31419385157091 8.9895e-09 au q 2.021076805413918 7.7643e-08 au i 4.988109513948558 3.8836e-06 deg node 51.07043453016211 4.5756e-05 deg peri 233.4140377779248 4.8762e-05 deg M 323.0503064548986 1.7549e-05 deg tp 2459332.479466955859 (2021-Apr-27.97946696) 6.2898e-05 TDB period 1285.872859706253 3.52 7.4925e-06 2.051e-08 d yr n .2799654703671396 1.6313e-09 deg/d Q 2.607310897727901 1.0128e-08 au   Orbit Determination Parameters    # obs. used (total)      1388      data-arc span      17929 days (49.09 yr)      first obs. used      1971-05-13      last obs. used      2020-06-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55793      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:19:26   Additional Information  Earth MOID = 1.00758 au   Jupiter MOID = 2.51918 au   T_jup = 3.566  [ 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 14.97   n/a E2021B10   diameter diameter 2.845 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.288   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17707 (1997 VM7)          Discovered 1997-Nov-02 by Beijing Schmidt CCD Asteroid Program at Xinglong Reference: 20001013/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1997 VM7 = 4871 T-1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-11 02:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin