+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14133 (1998 RJ17) Classification: Main-belt Asteroid          SPK-ID: 2014133 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .228190382331233 2.8767e-08   a 2.427633635457816 9.0775e-09 au q 1.873670988022536 6.9454e-08 au i 10.56741266320369 5.399e-06 deg node 178.7515343257883 1.8432e-05 deg peri 261.9504041641884 2.278e-05 deg M 193.3662116339341 1.4568e-05 deg tp 2459639.989934695836 (2022-Mar-01.48993470) 5.7775e-05 TDB period 1381.570801143613 3.78 7.749e-06 2.122e-08 d yr n .2605729649917364 1.4615e-09 deg/d Q 2.981596282893097 1.1149e-08 au   Orbit Determination Parameters    # obs. used (total)      1656      data-arc span      11990 days (32.83 yr)      first obs. used      1987-10-26      last obs. used      2020-08-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50484      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:41:55   Additional Information  Earth MOID = .92287 au   Jupiter MOID = 2.37805 au   T_jup = 3.451  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.33   n/a E2021B10   diameter diameter 3.545 km 0.545 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   rotation period rot_per 5.23990 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Oey, J. (2011) Minor Planet Bull. 38, 221-223.] [Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm] geometric albedo albedo 0.277   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   14133 (1998 RJ17)          Discovered 1998-Sep-14 by LINEAR at Socorro Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1998 RJ17 = 1987 US3 = 1997 MP10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 21:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin