+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175328 (2005 NL16) Classification: Main-belt Asteroid          SPK-ID: 2175328 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .176532683235373 5.0559e-08   a 3.189668581464219 3.0731e-08 au q 2.626587828146774 1.6623e-07 au i 6.343994115724967 5.1875e-06 deg node 93.16061818031793 6.3617e-05 deg peri 169.3803176629314 6.6548e-05 deg M 281.3890181174187 2.0533e-05 deg tp 2459654.857276652904 (2022-Mar-16.35727665) 0.00012075 TDB period 2080.734977199021 5.70 3.0071e-05 8.233e-08 d yr n .1730157871833412 2.5004e-09 deg/d Q 3.752749334781664 3.6156e-08 au   Orbit Determination Parameters    # obs. used (total)      325      data-arc span      7028 days (19.24 yr)      first obs. used      2001-12-17      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59934      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:04:55   Additional Information  Earth MOID = 1.60955 au   Jupiter MOID = 1.33414 au   T_jup = 3.163  [ 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 15.3   n/a MPO325676   diameter diameter 5.754 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.040   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   175328 (2005 NL16)          Discovered 2005-Jul-02 by Spacewatch at Kitt Peak Reference: 20080122/Numbers.arc Last Updated: 2008-01-28 [ show close-approach data ] Alternate Designations  2005 NL16 = 2004 FQ115  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 12:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin