+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190072 (2004 SW22) Classification: Main-belt Asteroid          SPK-ID: 2190072 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09298856449715069 5.4996e-08   a 2.736649346010168 2.3352e-08 au q 2.482172251792617 1.5709e-07 au i 1.163104756342938 4.6578e-06 deg node 243.1426625633558 0.00030624 deg peri 104.346550835681 0.00030732 deg M 235.8399426663584 2.8137e-05 deg tp 2459770.804188377642 (2022-Jul-10.30418838) 0.00013191 TDB period 1653.587411483273 4.53 2.1165e-05 5.795e-08 d yr n .2177084788502828 2.7866e-09 deg/d Q 2.99112644022772 2.5524e-08 au   Orbit Determination Parameters    # obs. used (total)      275      data-arc span      5662 days (15.50 yr)      first obs. used      2004-09-17      last obs. used      2020-03-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57289      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:06:06   Additional Information  Earth MOID = 1.47377 au   Jupiter MOID = 2.36559 au   T_jup = 3.345  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.44   n/a E2021B55   190072 (2004 SW22)          Discovered 2004-Sep-17 by Spacewatch at Kitt Peak Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 13:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin