+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160671 (2000 AY237) Classification: Main-belt Asteroid          SPK-ID: 2160671 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2907697438798277 7.7914e-08   a 2.56780038296144 2.0874e-08 au q 1.821161723273218 2.1082e-07 au i 4.680201456327422 6.3716e-06 deg node 266.8435072442297 9.0127e-05 deg peri 109.6178405973361 9.3121e-05 deg M 18.77618032804154 3.097e-05 deg tp 2458922.112816067656 (2020-Mar-13.61281607) 0.00012841 TDB period 1502.935406595949 4.11 1.8326e-05 5.017e-08 d yr n .239531252254797 2.9208e-09 deg/d Q 3.31443904264966 2.6944e-08 au   Orbit Determination Parameters    # obs. used (total)      339      data-arc span      8729 days (23.90 yr)      first obs. used      1995-12-24      last obs. used      2019-11-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55425      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 12:24:37   Additional Information  Earth MOID = .829394 au   Jupiter MOID = 2.18835 au   T_jup = 3.366  [ hide covariance matrix ] Orbital Elements at Epoch 2456302.5 (2013-Jan-10.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2943529501201577 7.8075e-08   q 1.810008593606475 2.1181e-07 au tp 2455917.397941323394 (2011-Dec-21.89794132) 9.0747e-05 TDB node 267.0297993190118 9.0521e-05 deg peri 109.2750173851892 9.3325e-05 deg i 4.671634644553895 6.3629e-06 deg   Orbit Determination Parameters    # obs. used (total)      339      data-arc span      8729 days (23.90 yr)      first obs. used      1995-12-24      last obs. used      2019-11-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55425      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 12:24:37   Additional Information  Jupiter MOID = 2.18835 au   T_jup = 3.366  Orbit Covariance (6×6)   e q tp node peri i e 6.095721479362208E-15 -1.651744990179564E-14 -5.487133260049549E-12 -1.832523994224281E-13 -1.327720043456547E-12 -1.935982698905057E-14 q -1.651744990179564E-14 4.486546576525967E-14 1.527726887098438E-11 5.02856042760787E-13 3.699648263561856E-12 5.308920893126601E-14 tp -5.487133260049549E-12 1.527726887098438E-11 8.235020005947844E-9 1.657226019960933E-10 2.13240878068155E-9 1.827717473458806E-11 node -1.832523994224281E-13 5.02856042760787E-13 1.657226019960933E-10 8.194103653825955E-9 -8.120347816870732E-9 2.265927535603128E-10 peri -1.327720043456547E-12 3.699648263561856E-12 2.13240878068155E-9 -8.120347816870732E-9 8.709550557810431E-9 -2.207952614997473E-10 i -1.935982698905057E-14 5.308920893126601E-14 1.827717473458806E-11 2.265927535603128E-10 -2.207952614997473E-10 4.048627858056605E-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 16.5   n/a MPO345274   160671 (2000 AY237)          Discovered 2000-Jan-06 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ show close-approach data ] Alternate Designations  2000 AY237 = 1995 YC24 = 1999 WT20  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-11 21:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin