+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100630 (1997 UQ7) Classification: Main-belt Asteroid          SPK-ID: 2100630 [ 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 .1220291046328436 4.4327e-08   a 2.269649225854496 1.001e-08 au q 1.992685962992845 1.0148e-07 au i 6.928466418100464 4.7715e-06 deg node 35.72286027376551 3.1837e-05 deg peri 349.1393824537406 3.578e-05 deg M 286.4974246771483 1.7783e-05 deg tp 2459455.497894904541 (2021-Aug-28.99789490) 6.2585e-05 TDB period 1248.925520805454 3.42 8.2622e-06 2.262e-08 d yr n .2882477729879597 1.9069e-09 deg/d Q 2.546612488716147 1.1231e-08 au   Orbit Determination Parameters    # obs. used (total)      577      data-arc span      8268 days (22.64 yr)      first obs. used      1997-10-22      last obs. used      2020-06-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .62389      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:33:03   Additional Information  Earth MOID = .995994 au   Jupiter MOID = 2.89645 au   T_jup = 3.594  [ hide covariance matrix ] Orbital Elements at Epoch 2457276.5 (2015-Sep-11.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1214917797698171 4.415e-08   q 1.993607881722799 1.0086e-07 au tp 2456959.103187168082 (2014-Oct-28.60318717) 5.6137e-05 TDB node 35.78563906459777 3.185e-05 deg peri 349.2630891692711 3.5852e-05 deg i 6.927689317741757 4.7699e-06 deg   Orbit Determination Parameters    # obs. used (total)      577      data-arc span      8268 days (22.64 yr)      first obs. used      1997-10-22      last obs. used      2020-06-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .62389      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:33:03   Additional Information  Jupiter MOID = 2.89645 au   T_jup = 3.594  Orbit Covariance (6×6)   e q tp node peri i e 1.949210616896162E-15 -4.43600493853024E-15 -2.210696990257139E-13 -1.596033392196082E-16 -9.692058641181859E-14 1.978694960702099E-15 q -4.43600493853024E-15 1.017223495976458E-14 6.479094664344154E-13 -9.265988853958287E-17 2.665656724205217E-13 -4.692408362701095E-15 tp -2.210696990257139E-13 6.479094664344154E-13 3.151392906008269E-9 -6.436626129284168E-12 9.34153855022636E-10 -4.039945006199899E-12 node -1.596033392196082E-16 -9.265988853958287E-17 -6.436626129284168E-12 1.014452167500408E-9 -1.008353102225298E-9 -2.007854184948286E-11 peri -9.692058641181859E-14 2.665656724205217E-13 9.34153855022636E-10 -1.008353102225298E-9 1.285347875261086E-9 1.876039082627024E-11 i 1.978694960702099E-15 -4.692408362701095E-15 -4.039945006199899E-12 -2.007854184948286E-11 1.876039082627024E-11 2.275219888659774E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.28   n/a E2021B55   100630 (1997 UQ7)          Discovered 1997-Oct-22 by Pravec, P. at Ondrejov Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1997 UQ7 = 2002 CV34  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 12:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin