+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277604 (2006 AD66) Classification: Main-belt Asteroid          SPK-ID: 2277604 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1331622070015276 4.3315e-08   a 2.785418948020803 2.3007e-08 au q 2.414506413478479 1.2195e-07 au i 8.38830058900645 6.6097e-06 deg node 171.3451397114538 3.1506e-05 deg peri 291.9480300452809 4.0657e-05 deg M 79.58249332660802 2.5049e-05 deg tp 2458625.138906178242 (2019-May-21.63890618) 0.00011737 TDB period 1697.98643052382 4.65 2.1038e-05 5.76e-08 d yr n .2120158285887726 2.6268e-09 deg/d Q 3.156331482563126 2.6071e-08 au   Orbit Determination Parameters    # obs. used (total)      251      data-arc span      7003 days (19.17 yr)      first obs. used      2001-03-23      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60158      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 21:17:11   Additional Information  Earth MOID = 1.44621 au   Jupiter MOID = 2.01323 au   T_jup = 3.303  [ hide covariance matrix ] Orbital Elements at Epoch 2457704.5 (2016-Nov-12.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1337828826460789 4.3341e-08   q 2.412526979765557 1.2208e-07 au tp 2456928.338289807563 (2014-Sep-27.83828981) 0.00011551 TDB node 171.3575123096617 3.1508e-05 deg peri 292.2512051336547 4.0575e-05 deg i 8.388549669603647 6.6101e-06 deg   Orbit Determination Parameters    # obs. used (total)      251      data-arc span      7003 days (19.17 yr)      first obs. used      2001-03-23      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60158      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 21:17:11   Additional Information  Jupiter MOID = 2.01323 au   T_jup = 3.303  Orbit Covariance (6×6)   e q tp node peri i e 1.878449217517024E-15 -5.22047598557654E-15 9.251417269650421E-13 1.367927155878868E-15 1.471408436142475E-13 -2.771251555483988E-15 q -5.22047598557654E-15 1.490339043945155E-14 -2.658456231693025E-12 -3.361467619653255E-15 -3.8858484598747E-13 9.311892925781063E-15 tp 9.251417269650421E-13 -2.658456231693025E-12 1.334286873351969E-8 1.108633085389924E-11 2.957788486350323E-9 -5.320294963896673E-12 node 1.367927155878868E-15 -3.361467619653255E-15 1.108633085389924E-11 9.927383494876511E-10 -9.787235056487312E-10 1.669437046965311E-11 peri 1.471408436142475E-13 -3.8858484598747E-13 2.957788486350323E-9 -9.787235056487312E-10 1.646303903026188E-9 -1.746904896289225E-11 i -2.771251555483988E-15 9.311892925781063E-15 -5.320294963896673E-12 1.669437046965311E-11 -1.746904896289225E-11 4.369386868719833E-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 16.6   n/a MPO418475   277604 (2006 AD66)          Discovered 2006-Jan-08 by Mt. Lemmon Survey at Mount Lemmon Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ show close-approach data ] Alternate Designations  2006 AD66 = 2001 FO194  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 10:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin