+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06306961513091638 4.8229e-08   a 1.923703555236231 4.8856e-09 au q 1.802376312381507 9.1444e-08 au i 21.71610143774511 4.0813e-06 deg node 17.26121298692834 9.7927e-06 deg peri 14.92308039996017 3.624e-05 deg M 55.46465453334665 3.3126e-05 deg tp 2459050.352031762215 (2020-Jul-19.85203176) 8.9625e-05 TDB period 974.5534164123308 2.67 3.7126e-06 1.016e-08 d yr n .3693999671411393 1.4072e-09 deg/d Q 2.045030798090956 5.1937e-09 au   Orbit Determination Parameters    # obs. used (total)      1112      data-arc span      15853 days (43.40 yr)      first obs. used      1977-10-07      last obs. used      2021-03-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47528      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 16:55:43   Additional Information  Earth MOID = .806598 au   Jupiter MOID = 3.14425 au   T_jup = 3.832  [ 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 ] 2021-Apr-17 21:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin