+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5120 Bitias (1988 TZ1) Classification: Jupiter Trojan          SPK-ID: 2005120 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .111949434609869 4.0152e-08   a 5.26942809410906 1.1102e-07 au q 4.67951859825619 2.4587e-07 au i 25.00437353876504 2.2495e-06 deg node 295.9081611588651 4.3477e-06 deg peri 23.79836201805679 2.062e-05 deg M 279.5427814650037 2.768e-05 deg tp 2460187.929651658305 (2023-Aug-31.42965166) 0.00036027 TDB period 4418.18249586107 12.10 0.00013962 3.823e-07 d yr n .08148146898351213 2.575e-09 deg/d Q 5.859337589961929 1.2344e-07 au   Orbit Determination Parameters    # obs. used (total)      1465      data-arc span      11853 days (32.45 yr)      first obs. used      1988-09-14      last obs. used      2021-02-26      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .44974      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 17:10:25   Additional Information  Earth MOID = 3.67636 au   Jupiter MOID = .419464 au   T_jup = 2.800  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.32   n/a E2021B10   diameter diameter 47.987 km 0.547 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)   rotation period rot_per 15.21 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Stephens, R.D.; French, L.M.; Davitt, C.; Coley, D.R. (2014) Minor Planet Bull. 41, 95-100.] geometric albedo albedo 0.122   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)   5120 Bitias (1988 TZ1)          Discovered 1988-Oct-13 by Shoemaker, C. S. at Palomar Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 21:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin