+ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06290794709101125 6.4762e-06   a 38.79483567233384 0.00061236 au q 36.35433220245419 0.00066609 au i 24.83274649033308 9.3488e-06 deg node 140.3414378041242 0.00010835 deg peri 359.5886247956593 0.010884 deg M 272.3372836947508 0.010872 deg tp 2480492.247253249810 (2079-Apr-03.74725325) 2.1621 TDB period 88259.06083298768 241.64 2.0897 0.005721 d yr n .004078901323018005 9.6576e-08 deg/d Q 41.23533914221349 0.00065089 au   Orbit Determination Parameters    # obs. used (total)      270      data-arc span      13626 days (37.31 yr)      first obs. used      1983-07-16      last obs. used      2020-11-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .42393      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:40:05   Additional Information  Earth MOID = 35.3676 au   Jupiter MOID = 30.989 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. 2020-October); 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 ] 2021-Jan-16 10:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin