+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212655 (2006 UN135) Classification: Main-belt Asteroid          SPK-ID: 2212655 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1414275109752443 6.3664e-08   a 3.016692607496201 3.5595e-08 au q 2.590049280640593 2.0621e-07 au i 2.200008586694525 6.7016e-06 deg node 151.0768235126269 0.00020063 deg peri 169.5375161067139 0.00020273 deg M 276.7333632836666 3.0636e-05 deg tp 2459443.153128276197 (2021-Aug-16.65312828) 0.00016564 TDB period 1913.793236567366 5.24 3.3873e-05 9.274e-08 d yr n .1881080950237373 3.3294e-09 deg/d Q 3.443335934351808 4.063e-08 au   Orbit Determination Parameters    # obs. used (total)      220      data-arc span      8987 days (24.61 yr)      first obs. used      1995-09-19      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54071      source      ORB      producer      Otto Matic      solution date      2020-May-21 08:48:25   Additional Information  Earth MOID = 1.57729 au   Jupiter MOID = 1.8623 au   T_jup = 3.231  [ hide covariance matrix ] Orbital Elements at Epoch 2457235.5 (2015-Aug-01.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1401487773896612 6.3768e-08   q 2.595010315406356 2.0646e-07 au tp 2457529.587454355103 (2016-May-21.08745436) 0.00015769 TDB node 151.0856399865929 0.00020068 deg peri 169.7622902261455 0.00020282 deg i 2.199365383658986 6.6994e-06 deg   Orbit Determination Parameters    # obs. used (total)      220      data-arc span      8987 days (24.61 yr)      first obs. used      1995-09-19      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54071      source      ORB      producer      Otto Matic      solution date      2020-May-21 08:48:25   Additional Information  Jupiter MOID = 1.8623 au   T_jup = 3.231  Orbit Covariance (6×6)   e q tp node peri i e 4.066346935967975E-15 -1.304239684291425E-14 2.157162500327734E-12 2.185533960925236E-14 5.652670681399232E-13 2.508329009199694E-16 q -1.304239684291425E-14 4.262663011366707E-14 -5.652777369244652E-12 -5.287273687260105E-14 -1.619677860435234E-12 5.57661415191687E-16 tp 2.157162500327734E-12 -5.652777369244652E-12 2.486625976001445E-8 5.958856358247996E-11 4.712700757041674E-9 8.389843198448044E-12 node 2.185533960925236E-14 -5.287273687260105E-14 5.958856358247996E-11 4.027172578943892E-8 -4.022888790536915E-8 4.611903850888145E-10 peri 5.652670681399232E-13 -1.619677860435234E-12 4.712700757041674E-9 -4.022888790536915E-8 4.113395502386867E-8 -4.59287985844396E-10 i 2.508329009199694E-16 5.57661415191687E-16 8.389843198448044E-12 4.611903850888145E-10 -4.59287985844396E-10 4.488184071097661E-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 15.9   n/a MPO211406   212655 (2006 UN135)          Discovered 2006-Oct-19 by Spacewatch at Kitt Peak Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 [ show close-approach data ] Alternate Designations  2006 UN135 = 2001 WS80  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-04 03:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin