+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06267330247393058 6.3772e-06   a 38.85774744106872 0.00056175 au q 36.42240408223903 0.00062466 au i 24.83210202941076 8.1733e-06 deg node 140.323669093708 9.982e-05 deg peri 358.1172612303109 0.0099239 deg M 274.6159731978431 0.0098353 deg tp 2480184.534454790250 (2078-May-31.03445479) 1.9665 TDB period 88473.83622733587 242.23 1.9185 0.005253 d yr n .00406899955230799 8.8235e-08 deg/d Q 41.29309079989842 0.00059695 au   Orbit Determination Parameters    # obs. used (total)      297      data-arc span      13698 days (37.50 yr)      first obs. used      1983-07-16      last obs. used      2021-01-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      2      norm. resid. RMS      .41115      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:06:02   Additional Information  Earth MOID = 35.4359 au   Jupiter MOID = 31.0609 au   T_jup = 5.084  [ 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 4.44   n/a E2021B55   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-May-16 10:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin