+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102137 (1999 RR182) Classification: Main-belt Asteroid          SPK-ID: 2102137 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2004982212716028 3.6203e-08   a 2.182990858417774 7.8938e-09 au q 1.745305074252841 8.2009e-08 au i 7.58185166888625 3.6644e-06 deg node 180.3612019199291 2.6901e-05 deg peri 146.96950147309 2.8418e-05 deg M 229.8955699186174 9.1429e-06 deg tp 2459626.261008864544 (2022-Feb-15.76100886) 3.0931e-05 TDB period 1178.084121312089 3.23 6.39e-06 1.749e-08 d yr n .3055808948507434 1.6575e-09 deg/d Q 2.620676642582707 9.4765e-09 au   Orbit Determination Parameters    # obs. used (total)      752      data-arc span      9483 days (25.96 yr)      first obs. used      1995-03-27      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51863      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:40:32   Additional Information  Earth MOID = .738294 au   Jupiter MOID = 2.75044 au   T_jup = 3.642  [ 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 16.15   n/a E2021B55   102137 (1999 RR182)          Discovered 1999-Sep-09 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2085-Mar-07 06:35 < 00:01 Juno 0.0233978084989612 0.0233966814513963 0.0233989363281299 6.05199816861809 6.05199808270249 2482656.774429281 0.624610267139361 429.836373646544 48.6613724365923 -86.2275707543249 71744.298242915 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:40:33 2021-Apr-13 15:40 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 00:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin