+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   6170 Levasseur (1981 GP) Classification: Mars-crossing Asteroid          SPK-ID: 2006170 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3197369329836172 4.0466e-08   a 2.351728915206321 7.1639e-09 au q 1.599794324649363 9.4738e-08 au i 22.57797090379153 8.6186e-06 deg node 11.77166198747296 8.7589e-06 deg peri 103.7317671164142 1.7691e-05 deg M 349.6538865737583 1.2013e-05 deg tp 2459038.357684704831 (2020-Jul-07.85768470) 4.4012e-05 TDB period 1317.28369217096 3.61 6.0191e-06 1.648e-08 d yr n .2732896506193734 1.2488e-09 deg/d Q 3.103663505763279 9.4545e-09 au   Orbit Determination Parameters    # obs. used (total)      1589      data-arc span      23914 days (65.47 yr)      first obs. used      1954-09-07      last obs. used      2020-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38713      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:37:50   Additional Information  Earth MOID = .755158 au   Jupiter MOID = 2.3269 au   T_jup = 3.389  [ hide covariance matrix ] Orbital Elements at Epoch 2457224.5 (2015-Jul-21.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3189887187040237 4.0825e-08   q 1.602009568998245 9.5644e-08 au tp 2457721.495487759384 (2016-Nov-28.99548776) 4.2793e-05 TDB node 11.80107192348062 8.754e-06 deg peri 103.8032731254891 1.7716e-05 deg i 22.58273081942917 8.6203e-06 deg   Orbit Determination Parameters    # obs. used (total)      1589      data-arc span      23914 days (65.47 yr)      first obs. used      1954-09-07      last obs. used      2020-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .38713      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:37:50   Additional Information  Jupiter MOID = 2.3269 au   T_jup = 3.389  Orbit Covariance (6×6)   e q tp node peri i e 1.666640710054072E-15 -3.899559446920524E-15 1.239566491613748E-12 -1.773599694163962E-14 4.738410746449394E-13 -2.178409930413759E-14 q -3.899559446920524E-15 9.147680906047086E-15 -2.880000360680059E-12 4.100180016028187E-14 -1.106223710447453E-12 5.158840660838846E-14 tp 1.239566491613748E-12 -2.880000360680059E-12 1.831201937683322E-9 -2.386462998302345E-11 6.610032881013255E-10 -2.355058025038136E-11 node -1.773599694163962E-14 4.100180016028187E-14 -2.386462998302345E-11 7.663327147403133E-11 -7.840989616237148E-11 -1.568799589449862E-11 peri 4.738410746449394E-13 -1.106223710447453E-12 6.610032881013255E-10 -7.840989616237148E-11 3.138742952059492E-10 6.447759106574899E-12 i -2.178409930413759E-14 5.158840660838846E-14 -2.355058025038136E-11 -1.568799589449862E-11 6.447759106574899E-12 7.430951059210277E-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 13.4   n/a MPO347574   rotation period rot_per 2.6529 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pray, D.P.; Galad, A.; Gajdos, S.; Vilagi, J.; et al. (2006) Minor Planet Bull. 33, 92-95.] [Pravec, P.; Wolf, M.; Sarounova, L. (2010) http://www.asu.cas.cz/~ppravec/neo.htm] [Higgins, D. (2011) Minor Planet Bull. 38, 41-46.] 6170 Levasseur (1981 GP)          Discovered 1981-Apr-05 by Bowell, E. at Flagstaff Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1981 GP = 1983 TL2 = 1988 FA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 06:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin