+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2995 Taratuta (1978 QK) Classification: Main-belt Asteroid          SPK-ID: 2002995 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1365326367273308 3.3142e-08   a 2.615952836365498 1.0008e-08 au q 2.258789898062177 8.6487e-08 au i 14.84353852299384 3.6854e-06 deg node 169.6300205164003 1.1379e-05 deg peri 330.0255019943992 1.6002e-05 deg M 182.3490851428664 1.2853e-05 deg tp 2459763.120084993227 (2022-Jul-02.62008499) 5.7377e-05 TDB period 1545.408481675136 4.23 8.869e-06 2.428e-08 d yr n .2329481197164002 1.3369e-09 deg/d Q 2.973115774668819 1.1375e-08 au   Orbit Determination Parameters    # obs. used (total)      2642      data-arc span      23981 days (65.66 yr)      first obs. used      1955-03-21      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39078      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:09:29   Additional Information  Earth MOID = 1.28093 au   Jupiter MOID = 2.05769 au   T_jup = 3.347  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.1   n/a MPO492785   diameter diameter 16.59 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3 rotation period rot_per 11.14 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Schmidt, R.E. (2015) Minor Planet Bull. 42, 1-3.] geometric albedo albedo 0.0704   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3 2995 Taratuta (1978 QK)          Discovered 1978-Aug-31 by Chernykh, N. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1978 QK = 1951 JS = 1955 FD2 = 1955 FU = 1959 EE  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 04:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin