+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   22393 (1994 QV) Classification: Main-belt Asteroid          SPK-ID: 2022393 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2866076545064316 9.7423e-08   a 2.645888441824956 2.0546e-08 AU q 1.887556561427828 2.5669e-07 AU i 13.61796880346296 1.0461e-05 deg node 353.7986780030307 3.0085e-05 deg peri 6.775529740872622 3.3785e-05 deg M 107.020722515262 1.3245e-05 deg tp 2455933.172757685278 (2012-Jan-06.67275769) 5.5351e-05 JED period 1572.011506550126 4.30 1.8311e-05 5.013e-08 d yr n .2290059573355424 2.6675e-09 deg/d Q 3.404220322222083 2.6435e-08 AU   Orbit Determination Parameters    # obs. used (total)      725      data-arc span      15359 days (42.05 yr)      first obs. used      1971-03-24      last obs. used      2013-04-11      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53259      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 14:32:30   Additional Information  Earth MOID = .884251 AU   T_jup = 3.295  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.6 mag n/a PDS3 (MPO 9983)   22393 (1994 QV)          Discovered 1994-Aug-29 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905) Reference: 20010309/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1994 QV = 1260 T-1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 03:05 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin