+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   215780 (2004 HR69) Classification: Main-belt Asteroid          SPK-ID: 2215780 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1050244796012972 5.259e-08   a 2.865379751711898 3.1702e-08 au q 2.564444734428262 1.6373e-07 au i 14.06666757836385 5.076e-06 deg node 225.0433231113082 2.2933e-05 deg peri 256.7001277930427 4.0356e-05 deg M 202.7971915828132 3.8802e-05 deg tp 2459774.123240450682 (2022-Jul-13.62324045) 0.00019733 TDB period 1771.624625325694 4.85 2.9401e-05 8.05e-08 d yr n .2032033168052278 3.3723e-09 deg/d Q 3.166314768995535 3.5032e-08 au   Orbit Determination Parameters    # obs. used (total)      321      data-arc span      6988 days (19.13 yr)      first obs. used      2001-09-29      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50679      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 23:51:11   Additional Information  Earth MOID = 1.62416 au   Jupiter MOID = 2.09833 au   T_jup = 3.248  [ hide covariance matrix ] Orbital Elements at Epoch 2457979.5 (2017-Aug-14.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1028739149715166 5.2149e-08   q 2.570315171618884 1.6216e-07 au tp 2457995.313130600429 (2017-Aug-29.81313060) 0.00018817 TDB node 225.1657456804217 2.2856e-05 deg peri 255.432414521912 4.1135e-05 deg i 14.09148671086527 5.0845e-06 deg   Orbit Determination Parameters    # obs. used (total)      321      data-arc span      6988 days (19.13 yr)      first obs. used      2001-09-29      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50679      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 23:51:11   Additional Information  Jupiter MOID = 2.09833 au   T_jup = 3.248  Orbit Covariance (6×6)   e q tp node peri i e 2.719484683201542E-15 -8.345626907151593E-15 -1.705331334225228E-12 -4.473366161283812E-15 -2.513032381968424E-13 6.538271925987465E-15 q -8.345626907151593E-15 2.629485990286222E-14 7.08709620386524E-12 1.415047652573288E-14 1.105040987067148E-12 -1.787131330035166E-14 tp -1.705331334225228E-12 7.08709620386524E-12 3.540694803455417E-8 6.441700101799029E-11 6.48039434043767E-9 8.478808709332727E-12 node -4.473366161283812E-15 1.415047652573288E-14 6.441700101799029E-11 5.223772670841224E-10 -4.941440828700919E-10 -1.466821373503366E-11 peri -2.513032381968424E-13 1.105040987067148E-12 6.48039434043767E-9 -4.941440828700919E-10 1.692080883370433E-9 1.587067650805289E-11 i 6.538271925987465E-15 -1.787131330035166E-14 8.478808709332727E-12 -1.466821373503366E-11 1.587067650805289E-11 2.585212024281723E-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 15.8   n/a MPO433412   215780 (2004 HR69)          Discovered 2004-Apr-22 by Spacewatch at Kitt Peak Reference: 20090607/Numbers.arc Last Updated: 2009-06-08 Alternate Designations  2004 HR69 = 2008 CX35  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 11:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin