+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226491 (2003 SR274) Classification: Main-belt Asteroid          SPK-ID: 2226491 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1415927140413488 4.348e-08   a 3.122539293559026 2.3273e-08 au q 2.680410480283248 1.3627e-07 au i 5.437158280332605 5.8222e-06 deg node 35.94537321747815 4.7074e-05 deg peri 274.3111599345935 5.1356e-05 deg M 97.18172303192067 1.9667e-05 deg tp 2458656.445522044832 (2019-Jun-21.94552204) 0.00010998 TDB period 2015.395549217908 5.52 2.2532e-05 6.169e-08 d yr n .1786249851249802 1.997e-09 deg/d Q 3.564668106834805 2.6568e-08 au   Orbit Determination Parameters    # obs. used (total)      314      data-arc span      10328 days (28.28 yr)      first obs. used      1992-10-03      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56823      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:09:15   Additional Information  Earth MOID = 1.67129 au   Jupiter MOID = 1.73276 au   T_jup = 3.193  [ hide covariance matrix ] Orbital Elements at Epoch 2457671.5 (2016-Oct-10.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1448654543461921 4.3258e-08   q 2.667790098833859 1.3615e-07 au tp 2458656.583791783619 (2019-Jun-22.08379178) 0.00010748 TDB node 35.98545802570958 4.7007e-05 deg peri 274.6648295117739 5.1148e-05 deg i 5.445685345058721 5.8294e-06 deg   Orbit Determination Parameters    # obs. used (total)      314      data-arc span      10328 days (28.28 yr)      first obs. used      1992-10-03      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56823      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:09:15   Additional Information  Jupiter MOID = 1.73276 au   T_jup = 3.193  Orbit Covariance (6×6)   e q tp node peri i e 1.871290789659877E-15 -5.826392752015918E-15 1.082233444384068E-12 -4.173279850621468E-15 1.36063384274836E-13 -2.328340248527335E-15 q -5.826392752015918E-15 1.853678654390303E-14 -3.430880999846077E-12 1.294349276808226E-14 -4.775876725547994E-13 7.809409299310161E-15 tp 1.082233444384068E-12 -3.430880999846077E-12 1.155159151214733E-8 -1.758450687657425E-11 2.170320569160651E-9 -4.504423870138174E-12 node -4.173279850621468E-15 1.294349276808226E-14 -1.758450687657425E-11 2.209698038815707E-9 -2.20231081068116E-9 -5.332785481754373E-11 peri 1.36063384274836E-13 -4.775876725547994E-13 2.170320569160651E-9 -2.20231081068116E-9 2.616071033181115E-9 5.22478857657769E-11 i -2.328340248527335E-15 7.809409299310161E-15 -4.504423870138174E-12 -5.332785481754373E-11 5.22478857657769E-11 3.398148272149203E-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 15.5   n/a MPO450050   226491 (2003 SR274)          Discovered 2003-Sep-28 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 18:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin