+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14906 (1993 NJ1) Classification: Main-belt Asteroid          SPK-ID: 2014906 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .17197661295708 3.3005e-08   a 2.391506897659531 9.1112e-09 au q 1.980223641536551 7.8755e-08 au i 3.293533831639642 3.7143e-06 deg node 132.7924727487622 6.1837e-05 deg peri 171.1870778245922 6.2738e-05 deg M 141.8025159423795 9.8321e-06 deg tp 2458668.407277277791 (2019-Jul-03.90727728) 3.7048e-05 TDB period 1350.846132080136 3.70 7.7197e-06 2.114e-08 d yr n .266499634155701 1.523e-09 deg/d Q 2.802790153782512 1.0678e-08 au   Orbit Determination Parameters    # obs. used (total)      1119      data-arc span      11040 days (30.23 yr)      first obs. used      1990-11-18      last obs. used      2021-02-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54302      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:41:56   Additional Information  Earth MOID = .963098 au   Jupiter MOID = 2.42723 au   T_jup = 3.509  [ 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 15.5   n/a MPO435840   diameter diameter 5.327 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.039   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14906 (1993 NJ1)          Discovered 1993-Jul-12 by Elst, E. W. at La Silla Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 NJ1 = 1997 QK3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 03:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin