+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   202683 (2006 US216) Classification: Aten [NEO, PHA]          SPK-ID: 2202683 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5624237632035233 9.6133e-08   a .6369460751740617 1.2152e-08 au q .2787124666169516 6.1342e-08 au i 3.432329993602268 2.6897e-05 deg node 193.2459541655078 0.00050042 deg peri 56.41784519577624 0.00050594 deg M 63.54443447100555 0.00029105 deg tp 2459167.726151347606 (2020-Nov-14.22615135) 0.00014918 TDB period 185.6745695053035 0.51 5.3135e-06 1.455e-08 d yr n 1.938876179754477 5.5485e-08 deg/d Q .9951796837311717 1.8986e-08 au   Orbit Determination Parameters    # obs. used (total)      89      data-arc span      4080 days (11.17 yr)      first obs. used      2005-11-06      last obs. used      2017-01-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      1      norm. resid. RMS      .55172      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:58:25   Additional Information  Earth MOID = .044042 au   Jupiter MOID = 4.03964 au   T_jup = 8.747  [ hide covariance matrix ] Orbital Elements at Epoch 2454613.5 (2008-May-27.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5628650552214107 9.5674e-08   q .2782833548328162 6.0716e-08 au tp 2454526.624644377712 (2008-Mar-01.12464438) 2.5288e-05 TDB node 193.9532582799087 0.00049355 deg peri 55.69834834069295 0.00049888 deg i 3.446960867365901 2.743e-05 deg   Orbit Determination Parameters    # obs. used (total)      89      data-arc span      4080 days (11.17 yr)      first obs. used      2005-11-06      last obs. used      2017-01-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      1      norm. resid. RMS      .55172      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:58:25   Additional Information  Jupiter MOID = 4.03964 au   T_jup = 8.747  Orbit Covariance (6×6)   e q tp node peri i e 9.153566871835093E-15 -5.793626296330747E-15 7.741132760879027E-13 3.53323320620656E-12 -2.989453350967328E-12 2.195879039087418E-13 q -5.793626296330747E-15 3.686421394123409E-15 -4.779228302947341E-13 -2.943722312290523E-12 2.619259216237306E-12 -1.667331889204014E-13 tp 7.741132760879027E-13 -4.779228302947341E-13 6.394605594869426E-10 -8.32720748475851E-10 1.285481493489248E-9 -4.376742520283156E-11 node 3.53323320620656E-12 -2.943722312290523E-12 -8.32720748475851E-10 2.435886308988016E-7 -2.460446436101921E-7 1.302654346378922E-8 peri -2.989453350967328E-12 2.619259216237306E-12 1.285481493489248E-9 -2.460446436101921E-7 2.488807065801722E-7 -1.317906381106961E-8 i 2.195879039087418E-13 -1.667331889204014E-13 -4.376742520283156E-11 1.302654346378922E-8 -1.317906381106961E-8 7.524135147963609E-10 [ 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 19.8   n/a MPO217645   202683 (2006 US216)          Discovered 2006-Oct-30 by Mt. Lemmon Survey at Mount Lemmon Reference: 20081212/Numbers.arc Last Updated: 2008-12-12 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 07:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin