+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118102 Rinjani (2254 T-3) Classification: Inner Main-belt Asteroid          SPK-ID: 2118102 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .062967162652936 6.7681e-08   a 1.923463718642587 6.0029e-09 au q 1.802348665813798 1.3048e-07 au i 21.71708913056697 6.2088e-06 deg node 17.2633385939928 1.0771e-05 deg peri 14.86213558170777 4.8862e-05 deg M 341.6335949069077 4.5584e-05 deg tp 2459050.210265573006 (2020-Jul-19.71026557) 0.00012344 TDB period 974.3711692939164 2.67 4.5613e-06 1.249e-08 d yr n .3694690599896095 1.7296e-09 deg/d Q 2.044578771471376 6.3809e-09 au   Orbit Determination Parameters    # obs. used (total)      705      data-arc span      15188 days (41.58 yr)      first obs. used      1977-10-07      last obs. used      2019-05-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53555      source      ORB      producer      Otto Matic      solution date      2019-May-30 06:55:24   Additional Information  Earth MOID = .80786 au   Jupiter MOID = 3.14541 au   T_jup = 3.833  [ 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 16.3   n/a MPO379343   118102 Rinjani           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. This Hungaria minor planet is named for the 3726-m active volcano Rinjani, situated in Indonesia on the island of Lombok. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2014-02-14 Last Updated: 2014-04-17 Alternate Designations  2254 T-3 = 2000 EP21  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-01 09:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin