+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   392546 (2011 SC13) Classification: Main-belt Asteroid          SPK-ID: 2392546 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1423082651649029 7.3308e-08   a 2.808710154319321 3.3138e-08 au q 2.409007484907092 2.1919e-07 au i 6.270289190393538 5.08e-06 deg node 249.1174752839543 6.2401e-05 deg peri 94.44712348069793 6.6098e-05 deg M 348.9346763921905 2.5184e-05 deg tp 2459253.347011398326 (2021-Feb-07.84701140) 0.00012096 TDB period 1719.328306853138 4.71 3.0428e-05 8.331e-08 d yr n .2093840941052746 3.7056e-09 deg/d Q 3.20841282373155 3.7854e-08 au   Orbit Determination Parameters    # obs. used (total)      177      data-arc span      5111 days (13.99 yr)      first obs. used      2006-06-19      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5242      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 16:24:30   Additional Information  Earth MOID = 1.40974 au   Jupiter MOID = 2.22927 au   T_jup = 3.298  [ hide covariance matrix ] Orbital Elements at Epoch 2456970.5 (2014-Nov-09.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .142842534367634 7.3196e-08   q 2.405757510954946 2.1826e-07 au tp 2457539.464098509875 (2016-May-30.96409851) 0.00010214 TDB node 249.1665890038067 6.2313e-05 deg peri 95.41290446111636 6.6011e-05 deg i 6.276140598786268 5.0857e-06 deg   Orbit Determination Parameters    # obs. used (total)      177      data-arc span      5111 days (13.99 yr)      first obs. used      2006-06-19      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5242      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 16:24:30   Additional Information  Jupiter MOID = 2.22927 au   T_jup = 3.298  Orbit Covariance (6×6)   e q tp node peri i e 5.35763446215885E-15 -1.587022680096546E-14 -8.008900578973707E-13 -3.207445243520787E-16 5.480841689987322E-14 -1.373322826971241E-14 q -1.587022680096546E-14 4.763586348396499E-14 3.852787953126928E-12 -2.357450606280214E-15 1.163437544626907E-13 4.148107847458787E-14 tp -8.008900578973707E-13 3.852787953126928E-12 1.043232166367366E-8 -1.986506298892242E-11 2.259365766618643E-9 5.613780011733891E-12 node -3.207445243520787E-16 -2.357450606280214E-15 -1.986506298892242E-11 3.882891219537103E-9 -3.86369533858658E-9 -4.838880807938769E-11 peri 5.480841689987322E-14 1.163437544626907E-13 2.259365766618643E-9 -3.86369533858658E-9 4.357397976406188E-9 4.861118617878957E-11 i -1.373322826971241E-14 4.148107847458787E-14 5.613780011733891E-12 -4.838880807938769E-11 4.861118617878957E-11 2.5864124768449E-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 16.77   n/a E2021B25   392546 (2011 SC13)          Discovered 2007-Nov-18 by Spacewatch at Kitt Peak Reference: Last Updated: 2014-04-17 [ show close-approach data ] Alternate Designations  2011 SC13 = 2007 XL2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 23:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin