+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120348 (2004 TY364) Classification: TransNeptunian Object          SPK-ID: 2120348 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06291272699920522 1.0842e-05   a 38.7942030075133 0.0014407 au q 36.35355390454986 0.0016446 au i 24.83276342707932 2.2386e-05 deg node 140.341726519722 0.00025018 deg peri 359.5988913421069 0.025017 deg M 272.327247559498 0.024434 deg tp 2480494.181964857227 (2079-Apr-05.68196486) 4.8 TDB period 88256.90185328346 241.63 4.9165 0.01346 d yr n .004079001102921751 2.2723e-07 deg/d Q 41.23485211047672 0.0015314 au   Orbit Determination Parameters    # obs. used (total)      109      data-arc span      13339 days (36.52 yr)      first obs. used      1983-07-16      last obs. used      2020-01-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .46745      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 06:18:28   Additional Information  Earth MOID = 35.3668 au   Jupiter MOID = 30.9882 au   T_jup = 5.080  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 4.3   n/a MPO426759   rotation period rot_per 11.70 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Sheppard, S.S. (2007) Astron. J. 134, 787-798.] 120348 (2004 TY364)          Discovered 2004-Oct-03 by Brown, M. E., Trujillo, C. A., Rabinowitz, D. at Palomar Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Aug-06 10:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin