+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   452977 (2007 EW152) Classification: Main-belt Asteroid          SPK-ID: 2452977 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1560965778580958 9.5237e-08   a 3.038704317252559 3.7303e-08 au q 2.564372972206813 2.8213e-07 au i 14.58248529042556 1.1539e-05 deg node 13.04830005094055 2.6431e-05 deg peri 338.076045369238 4.065e-05 deg M 3.898618123744483 2.8625e-05 deg tp 2458979.547334109965 (2020-May-10.04733411) 0.00015383 TDB period 1934.77778048391 5.30 3.5627e-05 9.754e-08 d yr n .1860678800590525 3.4262e-09 deg/d Q 3.513035662298305 4.3126e-08 au   Orbit Determination Parameters    # obs. used (total)      114      data-arc span      6793 days (18.60 yr)      first obs. used      2002-04-13      last obs. used      2020-11-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46808      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:31:18   Additional Information  Earth MOID = 1.56593 au   Jupiter MOID = 1.95401 au   T_jup = 3.173  [ hide covariance matrix ] Orbital Elements at Epoch 2458067.5 (2017-Nov-10.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1590718342247192 9.5745e-08   q 2.554744455539195 2.8528e-07 au tp 2458977.502484781833 (2020-May-08.00248478) 0.00015039 TDB node 13.20576323119709 2.6321e-05 deg peri 337.9020855754606 4.0087e-05 deg i 14.61863410352577 1.156e-05 deg   Orbit Determination Parameters    # obs. used (total)      114      data-arc span      6793 days (18.60 yr)      first obs. used      2002-04-13      last obs. used      2020-11-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46808      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:31:18   Additional Information  Jupiter MOID = 1.95401 au   T_jup = 3.173  Orbit Covariance (6×6)   e q tp node peri i e 9.167169747803214E-15 -2.716430546752318E-14 7.01617886145935E-12 -2.733214289720952E-14 1.000412723338185E-12 -4.187423674538651E-14 q -2.716430546752318E-14 8.138503044614697E-14 -2.125759505315256E-11 8.163238689723997E-14 -3.150538398570589E-12 1.303300274867222E-13 tp 7.01617886145935E-12 -2.125759505315256E-11 2.261805505495863E-8 -1.901991064077512E-11 4.514326583665009E-9 -3.47241581380359E-11 node -2.733214289720952E-14 8.163238689723997E-14 -1.901991064077512E-11 6.927832885447847E-10 -6.712107227876648E-10 1.182374251348889E-10 peri 1.000412723338185E-12 -3.150538398570589E-12 4.514326583665009E-9 -6.712107227876648E-10 1.606980559220377E-9 -1.206207937459542E-10 i -4.187423674538651E-14 1.303300274867222E-13 -3.47241581380359E-11 1.182374251348889E-10 -1.206207937459542E-10 1.336225036687321E-10 [ 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 16.2   n/a MPO440875   452977 (2007 EW152)          Discovered 2007-Mar-12 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2016-01-04 [ show close-approach data ] Alternate Designations  2007 EW152 = 2004 TW175  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 00:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin