+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   35107 (1991 VH) Classification: Apollo [NEO, PHA]          SPK-ID: 2035107 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 211 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .144178075474277 1.9958e-08   a 1.137322098636252 2.7834e-09 AU q .973345187260511 2.4409e-08 AU i 13.91130125021044 3.5632e-06 deg node 139.3804947786602 5.5907e-06 deg peri 206.8975481329153 1.1689e-05 deg M 287.8084480040267 5.8306e-06 deg tp 2456489.339789579477 (2013-Jul-15.83978958) 7.2517e-06 JED period 443.0203169810733 1.21 1.6263e-06 4.453e-09 d yr n .8126038156741691 2.983e-09 deg/d Q 1.301299010011992 3.1847e-09 AU   Orbit Determination Parameters    # obs. used (total)      1659      # delay obs. used      3      # Doppler obs. used      0      data-arc span      7755 days (21.23 yr)      first obs. used      1991-11-09      last obs. used      2013-02-01      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .41761      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:38:06   Additional Information  Earth MOID = .0257 AU   T_jup = 5.473  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.9 mag n/a PDS3 (MPO 24105)   rotation period rot_per 2.6236 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 133, 79-88.] [Pravec, P.; et al. (2006) Icarus 181, 63-93.] [Vander Haagen, G. (2010) Minor Planet Bul. 37, 36.] SMASSII spectral type spec_B Sk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 35107 (1991 VH)          Discovered 1991-Nov-09 by McNaught, R. H. at Siding Spring (413) Reference: 20020227/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-20 12:56 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin