+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226067 (2002 HQ14) Classification: Jupiter Trojan          SPK-ID: 2226067 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03454917906448122 5.4473e-08   a 5.259994974928239 1.4742e-07 au q 5.078266466661172 3.4097e-07 au i 7.52047949487384 7.0261e-06 deg node 19.95339278600793 4.0518e-05 deg peri 111.8021599182271 0.00011848 deg M 257.148112002575 0.00011599 deg tp 2460459.385375031396 (2024-May-28.88537503) 0.0014496 TDB period 4406.323926913708 12.06 0.00018525 5.072e-07 d yr n .08170075690557603 3.4348e-09 deg/d Q 5.441723483195307 1.5252e-07 au   Orbit Determination Parameters    # obs. used (total)      388      data-arc span      7678 days (21.02 yr)      first obs. used      2000-01-04      last obs. used      2021-01-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50705      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:08:01   Additional Information  Earth MOID = 4.10099 au   Jupiter MOID = .296694 au   T_jup = 2.982  [ hide covariance matrix ] Orbital Elements at Epoch 2457501.5 (2016-Apr-23.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03593323788005525 5.5075e-08   q 5.060339231389298 3.4021e-07 au tp 2456086.013322568814 (2012-Jun-07.51332257) 0.0012869 TDB node 19.96009376506288 4.0513e-05 deg peri 113.7570612547236 0.00011384 deg i 7.525222492262555 7.0304e-06 deg   Orbit Determination Parameters    # obs. used (total)      388      data-arc span      7678 days (21.02 yr)      first obs. used      2000-01-04      last obs. used      2021-01-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50705      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:08:01   Additional Information  Jupiter MOID = .296694 au   T_jup = 2.982  Orbit Covariance (6×6)   e q tp node peri i e 3.033217479643668E-15 -1.706747626675294E-14 1.736781944715794E-11 -5.015249628129129E-16 1.383765955311741E-12 1.021047881174957E-15 q -1.706747626675294E-14 1.157400362594374E-13 -2.598927214814636E-12 5.427963626371871E-15 5.435044959767651E-13 -8.060411606421273E-16 tp 1.736781944715794E-11 -2.598927214814636E-12 1.656199458309766E-6 7.651628954022113E-11 1.368840510166358E-7 1.654181010524029E-11 node -5.015249628129129E-16 5.427963626371871E-15 7.651628954022113E-11 1.641294202627431E-9 -1.620685720763126E-9 -6.515809768384535E-11 peri 1.383765955311741E-12 5.435044959767651E-13 1.368840510166358E-7 -1.620685720763126E-9 1.295878834564362E-8 6.606775386354701E-11 i 1.021047881174957E-15 -8.060411606421273E-16 1.654181010524029E-11 -6.515809768384535E-11 6.606775386354701E-11 4.94259490360484E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.9   n/a MPO454622   diameter diameter 14.325 km 0.812 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)   geometric albedo albedo 0.065   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)   226067 (2002 HQ14)          Discovered 2002-Apr-17 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 11:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin