+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22591 (1998 HO102) Classification: Main-belt Asteroid          SPK-ID: 2022591 [ 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 .1301053261186896 3.0469e-08   a 2.250710012317025 6.5668e-09 au q 1.957880652165919 6.8821e-08 au i 4.194050666945159 3.6931e-06 deg node 215.9532432900318 4.2035e-05 deg peri 23.00767302465923 4.4575e-05 deg M 245.1131567397327 1.6509e-05 deg tp 2459594.091342433675 (2022-Jan-14.59134243) 5.7223e-05 TDB period 1233.325585899587 3.38 5.3976e-06 1.478e-08 d yr n .2918937254815939 1.2775e-09 deg/d Q 2.543539372468131 7.4211e-09 au   Orbit Determination Parameters    # obs. used (total)      1583      data-arc span      9919 days (27.16 yr)      first obs. used      1994-01-16      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50564      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:07:59   Additional Information  Earth MOID = .945238 au   Jupiter MOID = 2.45504 au   T_jup = 3.613  [ 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 15.0   n/a MPO502332   22591 (1998 HO102)          Discovered 1998-Apr-25 by Elst, E. W. at La Silla Reference: 20010309/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 HO102 = 1994 BU3 = 1998 KG4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 06:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin