+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160380 (2004 HB67) Classification: Main-belt Asteroid          SPK-ID: 2160380 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08724522362364988 6.1527e-08   a 3.048247330610204 3.1273e-08 au q 2.782302310590923 2.0649e-07 au i 9.862010492080943 9.283e-06 deg node 63.1703979520677 3.3902e-05 deg peri 239.4300885683031 6.8054e-05 deg M 339.8023183018787 5.6707e-05 deg tp 2459309.561823074426 (2021-Apr-05.06182307) 0.00030595 TDB period 1943.899151081559 5.32 2.9915e-05 8.19e-08 d yr n .1851947925383376 2.85e-09 deg/d Q 3.314192350629484 3.4002e-08 au   Orbit Determination Parameters    # obs. used (total)      225      data-arc span      9014 days (24.68 yr)      first obs. used      1995-10-20      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57343      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 12:28:11   Additional Information  Earth MOID = 1.78081 au   Jupiter MOID = 1.86921 au   T_jup = 3.209  [ 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 15.71   n/a E2021B55   diameter diameter 5.364 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.035   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   160380 (2004 HB67)          Discovered 2004-Apr-21 by Spacewatch at Kitt Peak Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 [ show close-approach data ] Alternate Designations  2004 HB67 = 1995 UQ73 = 2004 KC18  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-12 07:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin