+ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1331622060863879 4.4573e-08   a 2.785418948517831 2.3632e-08 au q 2.41450641645837 1.2659e-07 au i 8.388300681090076 6.6998e-06 deg node 171.3451390551894 3.2648e-05 deg peri 291.9480306695403 4.1636e-05 deg M 79.58249321540488 2.5052e-05 deg tp 2458625.138906602277 (2019-May-21.63890660) 0.00011739 TDB period 1697.986430978301 4.65 2.1609e-05 5.916e-08 d yr n .2120158285320246 2.6981e-09 deg/d Q 3.156331480577293 2.6778e-08 au   Orbit Determination Parameters    # obs. used (total)      243      data-arc span      6976 days (19.10 yr)      first obs. used      2001-03-23      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60521      source      ORB      producer      Otto Matic      solution date      2020-May-21 16:27:04   Additional Information  Earth MOID = 1.44621 au   Jupiter MOID = 2.01323 au   T_jup = 3.303  [ hide covariance matrix ] Orbital Elements at Epoch 2457599.5 (2016-Jul-30.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1338163858226793 4.4614e-08   q 2.412410403346133 1.2677e-07 au tp 2456928.462934727905 (2014-Sep-27.96293473) 0.00011564 TDB node 171.357817836306 3.2649e-05 deg peri 292.2686089274869 4.1546e-05 deg i 8.388549723771503 6.7002e-06 deg   Orbit Determination Parameters    # obs. used (total)      243      data-arc span      6976 days (19.10 yr)      first obs. used      2001-03-23      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60521      source      ORB      producer      Otto Matic      solution date      2020-May-21 16:27:04   Additional Information  Jupiter MOID = 2.01323 au   T_jup = 3.303  Orbit Covariance (6×6)   e q tp node peri i e 1.990382975876823E-15 -5.582044430333574E-15 9.92725093898331E-13 -2.287535839327283E-16 1.658326705764077E-13 -2.852867332800612E-15 q -5.582044430333574E-15 1.607086904252905E-14 -2.88082574215091E-12 1.285149581950478E-15 -4.49506076698946E-13 9.638640052490121E-15 tp 9.92725093898331E-13 -2.88082574215091E-12 1.337307243718172E-8 -2.789591514019776E-12 2.979122182377516E-9 -3.703938061184538E-12 node -2.287535839327283E-16 1.285149581950478E-15 -2.789591514019776E-12 1.065974764175119E-9 -1.054303199362517E-9 7.339575531596801E-12 peri 1.658326705764077E-13 -4.49506076698946E-13 2.979122182377516E-9 -1.054303199362517E-9 1.726072286763418E-9 -7.855807108830885E-12 i -2.852867332800612E-15 9.638640052490121E-15 -3.703938061184538E-12 7.339575531596801E-12 -7.855807108830885E-12 4.48930926296025E-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 ] 2020-Sep-18 14:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin