+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .126606424563033 3.2974e-08   a 2.314363839904669 9.0968e-09 au q 2.021350508996367 7.8153e-08 au i 4.987963264368969 3.9415e-06 deg node 51.07203198207736 4.5964e-05 deg peri 233.365337435476 4.9001e-05 deg M 267.0989059732993 1.7507e-05 deg tp 2459332.367105328798 (2021-Apr-27.86710533) 6.3055e-05 TDB period 1286.014542347905 3.52 7.5822e-06 2.076e-08 d yr n .2799346260445392 1.6505e-09 deg/d Q 2.60737717081297 1.0249e-08 au   Orbit Determination Parameters    # obs. used (total)      1357      data-arc span      17873 days (48.93 yr)      first obs. used      1971-05-13      last obs. used      2020-04-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55684      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:39:47   Additional Information  Earth MOID = 1.00974 au   Jupiter MOID = 2.51988 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 14.9   n/a MPO309293   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 ] 2020-Jul-12 04:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin