+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180886 (2005 JZ122) Classification: Main-belt Asteroid          SPK-ID: 2180886 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1828958524807989 5.8127e-08   a 2.581252580492867 1.9384e-08 au q 2.109152189315362 1.5561e-07 au i .3809149877143242 6.4101e-06 deg node 331.2950097787376 0.00063181 deg peri 349.0752333965169 0.00063197 deg M 205.6411047908886 1.4116e-05 deg tp 2459849.991306525422 (2022-Sep-27.49130653) 6.175e-05 TDB period 1514.7612324667 4.15 1.7062e-05 4.671e-08 d yr n .2376612183385239 2.677e-09 deg/d Q 3.053352971670372 2.2929e-08 au   Orbit Determination Parameters    # obs. used (total)      435      data-arc span      10100 days (27.65 yr)      first obs. used      1993-07-20      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5899      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:28:21   Additional Information  Earth MOID = 1.09433 au   Jupiter MOID = 2.25635 au   T_jup = 3.401  [ 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 16.6   n/a MPO527376   diameter diameter 1.610 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.156   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   180886 (2005 JZ122)          Discovered 2005-May-11 by Spacewatch at Kitt Peak Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ show close-approach data ] Alternate Designations  2005 JZ122 = 1993 OE5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 18:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin