+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14938 (1995 DN) Classification: Main-belt Asteroid          SPK-ID: 2014938 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1371398658553225 1.3937e-08   a 2.788045927655765 9.6472e-09 au q 2.405693683138575 3.8446e-08 au i 9.329823883005165 5.4768e-07 deg node 165.6467142675038 5.4806e-06 deg peri 116.1224341140445 1.0636e-05 deg M 88.69894866049293 7.6816e-06 deg tp 2458781.547984776484 (2019-Oct-25.04798478) 3.5604e-05 TDB period 1700.38909996284 4.66 8.8255e-06 2.416e-08 d yr n .2117162477740344 1.0989e-09 deg/d Q 3.170398172172955 1.097e-08 au   Orbit Determination Parameters    # obs. used (total)      2894      data-arc span      15517 days (42.48 yr)      first obs. used      1978-09-12      last obs. used      2021-03-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42555      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:43:03   Additional Information  Earth MOID = 1.40538 au   Jupiter MOID = 2.04978 au   T_jup = 3.297  [ 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 12.57   n/a E2021B10   diameter diameter 7.362 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 7.8185 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] [Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm] geometric albedo albedo 0.392   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14938 (1995 DN)          Discovered 1995-Feb-21 by Kobayashi, T. at Oizumi Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1995 DN = 1978 RR2 = 2000 FG38  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 09:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin