+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17588 (1995 BH2) Classification: Main-belt Asteroid          SPK-ID: 2017588 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1856294432103563 3.346e-08   a 2.32169888254941 5.6348e-09 au q 1.890723211679656 7.6804e-08 au i 2.098495362793073 2.922e-06 deg node 109.2097215297601 0.00010663 deg peri 77.0559958989562 0.00010699 deg M 27.8400924057145 8.2746e-06 deg tp 2458900.574705459897 (2020-Feb-21.07470546) 2.9667e-05 TDB period 1292.133140587322 3.54 4.704e-06 1.288e-08 d yr n .2786090602369092 1.0143e-09 deg/d Q 2.752674553419163 6.6808e-09 au   Orbit Determination Parameters    # obs. used (total)      1421      data-arc span      9747 days (26.69 yr)      first obs. used      1993-10-09      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52691      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 18:11:47   Additional Information  Earth MOID = .89356 au   Jupiter MOID = 2.20365 au   T_jup = 3.553  [ 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 15.4   n/a MPO421788   diameter diameter 2.580 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.167   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17588 (1995 BH2)          Discovered 1995-Jan-30 by Kobayashi, T. at Oizumi Reference: 20001013/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1995 BH2 = 1993 TR40  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-05 23:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin