+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (1996 JA1) Classification: Apollo [NEO, PHA]          SPK-ID: 3009026 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7009533927009084 3.314e-05   a 2.566834757804404 0.0010932 au q .7676032258187926 0.00024187 au i 21.61031104412189 0.0022242 deg node 55.84977032331487 0.0059274 deg peri 248.4757031878858 0.0075427 deg M 295.8497488737346 1.0826 deg tp 2459268.164733635811 (2021-Feb-22.66473364) 4.6881 TDB period 1502.08771465649 4.11 0.95963 0.002627 d yr n .2396664299210569 0.00015311 deg/d Q 4.366066289790016 0.0018595 au   Orbit Determination Parameters    # obs. used (total)      328      data-arc span      5 days      first obs. used      1996-05-14      last obs. used      1996-05-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .48768      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:18:05   Additional Information  Earth MOID = .0156088 au   Jupiter MOID = 1.79017 au   T_jup = 2.959  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 21.0   n/a MPO66057   rotation period rot_per 5.227 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Spahr, T.B.; Hergenrother, C.W.; Larson, S.M.; Hicks, M.; et al. (1997) Icarus 129, 415-420.] [Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.] [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-18 17:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin