+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17325 (3300 T-1) Classification: Main-belt Asteroid          SPK-ID: 2017325 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1938220679001953 4.1222e-08   a 2.157887396077895 6.1905e-09 au q 1.73964119867431 8.8278e-08 au i 2.330632031061412 4.4269e-06 deg node 327.7233080545502 6.9626e-05 deg peri 345.1846075031469 7.0011e-05 deg M 145.0843072897505 8.0451e-06 deg tp 2458733.884099113774 (2019-Sep-07.38409911) 2.5325e-05 TDB period 1157.821458826433 3.17 4.9823e-06 1.364e-08 d yr n .310928768209993 1.338e-09 deg/d Q 2.576133593481481 7.3904e-09 au   Orbit Determination Parameters    # obs. used (total)      1922      data-arc span      18243 days (49.95 yr)      first obs. used      1971-03-24      last obs. used      2021-03-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47172      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:01:28   Additional Information  Earth MOID = .723721 au   Jupiter MOID = 2.69425 au   T_jup = 3.674  [ 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 14.9   n/a MPO435860   rotation period rot_per 6.4481 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm] [Oey, J.; Groom, R. (2019) Minor Planet Bull. 46, 119-125.] 17325 (3300 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  3300 T-1 = 1978 QW1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 01:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin