+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   452203 (2015 RJ194) Classification: Outer Main-belt Asteroid          SPK-ID: 2452203 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3577036917264087 7.572e-08   a 3.211052153544982 8.1091e-08 au q 2.062446943895907 2.1298e-07 au i 6.463764314922027 1.2371e-05 deg node 20.66780063097899 4.9079e-05 deg peri 260.6852078031029 8.1639e-05 deg M 342.8728587352224 3.5488e-05 deg tp 2459100.488912512933 (2020-Sep-07.98891251) 0.000204 TDB period 2101.693910745202 5.75 7.9613e-05 2.18e-07 d yr n .1712904044492159 6.4885e-09 deg/d Q 4.359657363194057 1.101e-07 au   Orbit Determination Parameters    # obs. used (total)      89      data-arc span      4461 days (12.21 yr)      first obs. used      2008-03-28      last obs. used      2020-06-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58125      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 06:43:06   Additional Information  Earth MOID = 1.0583 au   Jupiter MOID = .970324 au   T_jup = 3.078  [ hide covariance matrix ] Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3563089413927746 7.5917e-08   q 2.068562433697302 2.129e-07 au tp 2456997.748675146429 (2014-Dec-06.24867515) 0.00027818 TDB node 20.69652885066636 4.9038e-05 deg peri 260.6340029606422 8.1853e-05 deg i 6.463103655604447 1.237e-05 deg   Orbit Determination Parameters    # obs. used (total)      89      data-arc span      4461 days (12.21 yr)      first obs. used      2008-03-28      last obs. used      2020-06-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58125      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 06:43:06   Additional Information  Jupiter MOID = .970324 au   T_jup = 3.078  Orbit Covariance (6×6)   e q tp node peri i e 5.763352767810982E-15 -1.587255448769418E-14 -1.730038399900911E-11 1.487862693524538E-13 -4.151528088156859E-12 -8.432007168001319E-14 q -1.587255448769418E-14 4.532556729995105E-14 4.204920375504438E-11 -3.722510676831793E-13 1.022883204761409E-11 2.240261441874208E-13 tp -1.730038399900911E-11 4.204920375504438E-11 7.738596685527644E-8 -6.197286115980597E-10 1.823197872134747E-8 3.132409876717866E-10 node 1.487862693524538E-13 -3.722510676831793E-13 -6.197286115980597E-10 2.404702238779973E-9 -2.530203938478891E-9 1.986922430207812E-10 peri -4.151528088156859E-12 1.022883204761409E-11 1.823197872134747E-8 -2.530203938478891E-9 6.699908631800487E-9 -1.248992379570387E-10 i -8.432007168001319E-14 2.240261441874208E-13 3.132409876717866E-10 1.986922430207812E-10 -1.248992379570387E-10 1.530150265891334E-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.9   n/a MPO361090   452203 (2015 RJ194)          Discovered 2008-Mar-28 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-11-30 Alternate Designations  2015 RJ194 = 2008 FJ86  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 03:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin