+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   245336 (2005 EH148) Classification: Main-belt Asteroid          SPK-ID: 2245336 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1606026801963578 5.1185e-08   a 2.707593092838426 2.7218e-08 au q 2.272746385247429 1.3006e-07 au i 3.574543134193545 5.5439e-06 deg node 128.9670930218731 0.00012323 deg peri 159.9375140048879 0.00012709 deg M 108.5954724928277 3.6245e-05 deg tp 2458709.611631572312 (2019-Aug-14.11163157) 0.00015869 TDB period 1627.322102637746 4.46 2.4538e-05 6.718e-08 d yr n .2212223378619831 3.3357e-09 deg/d Q 3.142439800429424 3.1589e-08 au   Orbit Determination Parameters    # obs. used (total)      228      data-arc span      9068 days (24.83 yr)      first obs. used      1996-02-16      last obs. used      2020-12-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55206      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:40:33   Additional Information  Earth MOID = 1.2549 au   Jupiter MOID = 2.02952 au   T_jup = 3.343  [ 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 16.7   n/a MPO437143   diameter diameter 2.634 km 0.857 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.044   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   245336 (2005 EH148)          Discovered 2005-Mar-10 by Spacewatch at Kitt Peak Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2200-Mar-09 02:05 00:03 Thisb 0.048293803436204 0.0482327033633746 0.0483549056141481 2.43872474788297 2.4387246899907 2524660.586797166 2.85496619489092 3082.74587745101 54.5059374501144 -9.32847825231441 21575.3738119129 T 16 CATAB v2.0f-lin.ifort 2021-Feb-24 13:40:34 2021-Feb-24 13:40 Alternate Designations  2005 EH148 = 2000 CE144  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 22:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin