+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344236 (2001 SC127) Classification: Mars-crossing Asteroid          SPK-ID: 2344236 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3164130893822658 8.3673e-08   a 2.374788274042591 1.4224e-08 au q 1.623374179623995 2.038e-07 au i 5.70082969667117 6.0133e-06 deg node 186.0919432481111 8.0148e-05 deg peri 138.4625181801821 9.317e-05 deg M 108.3375840357602 3.0682e-05 deg tp 2458798.234843547992 (2019-Nov-10.73484355) 0.0001125 TDB period 1336.705609707173 3.66 1.201e-05 3.288e-08 d yr n .2693188368371282 2.4197e-09 deg/d Q 3.126202368461186 1.8725e-08 au   Orbit Determination Parameters    # obs. used (total)      108      data-arc span      6576 days (18.00 yr)      first obs. used      2001-08-22      last obs. used      2019-08-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61208      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 08:31:34   Additional Information  Earth MOID = .615427 au   Jupiter MOID = 2.25549 au   T_jup = 3.466  [ hide covariance matrix ] Orbital Elements at Epoch 2457835.5 (2017-Mar-23.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3167245353822004 8.4213e-08   q 1.622011512214856 2.0547e-07 au tp 2457462.714084243705 (2016-Mar-15.21408424) 0.00010893 TDB node 186.124248519652 8.0108e-05 deg peri 138.5261003839925 9.3143e-05 deg i 5.703019961429609 6.0174e-06 deg   Orbit Determination Parameters    # obs. used (total)      108      data-arc span      6576 days (18.00 yr)      first obs. used      2001-08-22      last obs. used      2019-08-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61208      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 08:31:34   Additional Information  Jupiter MOID = 2.25549 au   T_jup = 3.466  Orbit Covariance (6×6)   e q tp node peri i e 7.091887633442645E-15 -1.729018388201783E-14 4.707827816590184E-12 -8.894604248389187E-14 2.47683373530573E-12 1.933192683646806E-14 q -1.729018388201783E-14 4.221900729911027E-14 -1.095286619265482E-11 2.251058577056959E-13 -5.837998654329366E-12 -4.008681750486049E-14 tp 4.707827816590184E-12 -1.095286619265482E-11 1.186547674086835E-8 -1.149989787900587E-10 5.197459448840541E-9 1.044204512364561E-10 node -8.894604248389187E-14 2.251058577056959E-13 -1.149989787900587E-10 6.417214575495891E-9 -6.434309293025369E-9 1.982016424973799E-10 peri 2.47683373530573E-12 -5.837998654329366E-12 5.197459448840541E-9 -6.434309293025369E-9 8.675555688884875E-9 -1.542985828535988E-10 i 1.933192683646806E-14 -4.008681750486049E-14 1.044204512364561E-10 1.982016424973799E-10 -1.542985828535988E-10 3.620938288750352E-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 18.4   n/a MPO494801   344236 (2001 SC127)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ show close-approach data ] Alternate Designations  2001 SC127 = 2012 SE35  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 15:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin