+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100893 (1998 HH130) Classification: Main-belt Asteroid          SPK-ID: 2100893 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04259279751241032 3.3031e-08   a 2.997018219491811 1.7336e-08 au q 2.869366829327991 9.7424e-08 au i 11.57844244746568 3.8756e-06 deg node 186.6555654300654 1.801e-05 deg peri 51.98639077555003 6.41e-05 deg M 88.76962058687721 5.8178e-05 deg tp 2458733.201524246109 (2019-Sep-06.70152425) 0.00030791 TDB period 1895.101614259572 5.19 1.6443e-05 4.502e-08 d yr n .189963428499666 1.6483e-09 deg/d Q 3.12466960965563 1.8075e-08 au   Orbit Determination Parameters    # obs. used (total)      1054      data-arc span      10087 days (27.62 yr)      first obs. used      1993-04-22      last obs. used      2020-12-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56216      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:34:14   Additional Information  Earth MOID = 1.87436 au   Jupiter MOID = 1.86276 au   T_jup = 3.222  [ hide covariance matrix ] Orbital Elements at Epoch 2457425.5 (2016-Feb-07.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04013443489052203 3.2931e-08   q 2.876822341821486 9.6782e-08 au tp 2456845.718043265129 (2014-Jul-07.21804326) 0.00033546 TDB node 186.8481332497583 1.8017e-05 deg peri 53.32841323267066 6.7822e-05 deg i 11.57479765985117 3.8743e-06 deg   Orbit Determination Parameters    # obs. used (total)      1054      data-arc span      10087 days (27.62 yr)      first obs. used      1993-04-22      last obs. used      2020-12-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56216      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:34:14   Additional Information  Jupiter MOID = 1.86276 au   T_jup = 3.222  Orbit Covariance (6×6)   e q tp node peri i e 1.084431969476659E-15 -3.142556570937249E-15 -2.871777425558587E-12 4.910400453854228E-15 -5.808925192761441E-13 -3.08577509895972E-16 q -3.142556570937249E-15 9.366848349181639E-15 6.02532220644144E-12 -1.482060265251755E-14 1.251869648691998E-12 2.091255755171296E-15 tp -2.871777425558587E-12 6.02532220644144E-12 1.125320982152834E-7 -1.119265775210819E-10 2.194626349462539E-8 -3.168336214829287E-11 node 4.910400453854228E-15 -1.482060265251755E-14 -1.119265775210819E-10 3.246221906164872E-10 -3.398435465774283E-10 -5.145206420656286E-12 peri -5.808925192761441E-13 1.251869648691998E-12 2.194626349462539E-8 -3.398435465774283E-10 4.59983450658806E-9 -9.825050682844728E-13 i -3.08577509895972E-16 2.091255755171296E-15 -3.168336214829287E-11 -5.145206420656286E-12 -9.825050682844728E-13 1.501050077653734E-11 [ 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 14.6   n/a MPO302562   100893 (1998 HH130)          Discovered 1998-Apr-19 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 03:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin