+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312439 (2008 HO32) Classification: Main-belt Asteroid          SPK-ID: 2312439 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09103670035268416 9.3014e-08   a 3.170908476002643 5.7766e-08 au q 2.882239431227004 2.7921e-07 au i 9.398644825496053 9.0593e-06 deg node 190.4926020313814 4.5847e-05 deg peri 187.3443283428693 6.6023e-05 deg M 259.9888589190691 5.3172e-05 deg tp 2459573.454149199463 (2021-Dec-24.95414920) 0.00031586 TDB period 2062.405162889745 5.65 5.6358e-05 1.543e-07 d yr n .1745534807988868 4.7699e-09 deg/d Q 3.459577520778282 6.3025e-08 au   Orbit Determination Parameters    # obs. used (total)      118      data-arc span      5340 days (14.62 yr)      first obs. used      2004-09-09      last obs. used      2019-04-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5907      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 10:47:37   Additional Information  Earth MOID = 1.88397 au   Jupiter MOID = 2.00127 au   T_jup = 3.175  [ 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 16.3   n/a MPO437379   diameter diameter 3.221 km 0.950 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.047   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   312439 (2008 HO32)          Discovered 2008-Apr-29 by Mt. Lemmon Survey at Mount Lemmon Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 Alternate Designations  2008 HO32 = 2004 SF37  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 05:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin