+ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1560964937334005 9.5879e-08   a 3.038704315013917 6.0662e-08 au q 2.56437322594769 2.9132e-07 au i 14.58247561071313 1.178e-05 deg node 13.04831539396137 3.9726e-05 deg peri 338.0760159239948 5.4512e-05 deg M 3.898629150476576 4.465e-05 deg tp 2458979.547274871240 (2020-May-10.04727487) 0.00023958 TDB period 1934.777778345856 5.30 5.7936e-05 1.586e-07 d yr n .1860678802646695 5.5717e-09 deg/d Q 3.513035404080143 7.0131e-08 au   Orbit Determination Parameters    # obs. used (total)      57      data-arc span      5843 days (16.00 yr)      first obs. used      2002-04-13      last obs. used      2018-04-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57364      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 09:01:42   Additional Information  Earth MOID = 1.56593 au   Jupiter MOID = 1.95401 au   T_jup = 3.173  [ hide covariance matrix ] Orbital Elements at Epoch 2457154.5 (2015-May-12.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1602244933846097 9.6516e-08   q 2.550102738643772 2.9456e-07 au tp 2457044.822750579291 (2015-Jan-22.32275058) 0.00020376 TDB node 13.20043476837064 3.9591e-05 deg peri 337.9731288036119 5.3657e-05 deg i 14.62058572504395 1.18e-05 deg   Orbit Determination Parameters    # obs. used (total)      57      data-arc span      5843 days (16.00 yr)      first obs. used      2002-04-13      last obs. used      2018-04-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57364      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 09:01:42   Additional Information  Jupiter MOID = 1.95401 au   T_jup = 3.173  Orbit Covariance (6×6)   e q tp node peri i e 9.315395941107244E-15 -2.801587129182291E-14 5.033197945522049E-12 6.171447975323421E-15 7.656661876043995E-13 -3.729705682749533E-14 q -2.801587129182291E-14 8.676703067296567E-14 -1.114020965938709E-11 -3.026790425057379E-15 -1.595790441043484E-12 1.158408254703212E-13 tp 5.033197945522049E-12 -1.114020965938709E-11 4.151903902319626E-8 1.102563672082788E-10 7.498139965532127E-9 -3.246378429873092E-11 node 6.171447975323421E-15 -3.026790425057379E-15 1.102563672082788E-10 1.567471932547383E-9 -1.494913707553392E-9 7.243114829945075E-11 peri 7.656661876043995E-13 -1.595790441043484E-12 7.498139965532127E-9 -1.494913707553392E-9 2.879039381261952E-9 -7.52804367804435E-11 i -3.729705682749533E-14 1.158408254703212E-13 -3.246378429873092E-11 7.243114829945075E-11 -7.52804367804435E-11 1.392283669260824E-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 ] 2020-Oct-29 09:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin