+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120329 (2004 ND17) Classification: Outer Main-belt Asteroid          SPK-ID: 2120329 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1375727101573481 3.7006e-08   a 3.969258785470271 3.7185e-08 au q 3.423197097037262 1.4858e-07 au i 3.538117381783254 4.5992e-06 deg node 152.4661051690408 6.3051e-05 deg peri 112.7905598336144 6.5631e-05 deg M 59.55332813206397 1.663e-05 deg tp 2458722.678062264842 (2019-Aug-27.17806226) 0.00013466 TDB period 2888.434668222049 7.91 4.0589e-05 1.111e-07 d yr n .124634981002217 1.7514e-09 deg/d Q 4.51532047390328 4.23e-08 au   Orbit Determination Parameters    # obs. used (total)      610      data-arc span      6875 days (18.82 yr)      first obs. used      2002-02-10      last obs. used      2020-12-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52747      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:24:43   Additional Information  Earth MOID = 2.40793 au   Jupiter MOID = .616966 au   T_jup = 3.038  [ 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 14.26   n/a E2021B55   diameter diameter 9.809 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)   geometric albedo albedo 0.038   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)   120329 (2004 ND17)          Discovered 2004-Jul-11 by LINEAR at Socorro Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2004 ND17 = 2002 GR165  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 06:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin