+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101089 (1998 RR32) Classification: Main-belt Asteroid          SPK-ID: 2101089 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1487587316934836 4.9968e-08   a 2.565798456772821 1.8409e-08 au q 2.184113532562199 1.2569e-07 au i 3.252466275293163 5.3607e-06 deg node 340.2831509887948 8.5917e-05 deg peri 292.2360231719628 9.1326e-05 deg M 210.4673428415876 4.0912e-05 deg tp 2459824.042107022661 (2022-Sep-01.54210702) 0.00017606 TDB period 1501.178155955276 4.11 1.6156e-05 4.423e-08 d yr n .239811642989778 2.5808e-09 deg/d Q 2.947483380983443 2.1147e-08 au   Orbit Determination Parameters    # obs. used (total)      632      data-arc span      9657 days (26.44 yr)      first obs. used      1994-09-12      last obs. used      2021-02-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57139      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:35:09   Additional Information  Earth MOID = 1.16861 au   Jupiter MOID = 2.16618 au   T_jup = 3.415  [ 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 15.7   n/a MPO264058   diameter diameter 1.796 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.315   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101089 (1998 RR32)          Discovered 1998-Sep-14 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 RR32 = 2001 FZ172  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 05:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin