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Table 2.
Orbital parameters of comet 41P/Tuttle–Giacobini–Kresak.
| Epoch | 2457844.5 (2017-April-01.0) TDB |
| Perihelion date | 2457856.25 (2017-April-12.75) |
| Orbital period | 5.42 [yr] |
| Perihelion distance (q) | 1.04504273 ± 3.3 × 10−8 [au] |
| Semimajor axis (a) | 3.085003 ± 3.4 × 10−6 [au] |
| Eccentricity (e) | 0.6612506 ± 3.6 × 10−7 |
| Inclination (i) | 9.229131 ± 2.6 × 10−6 [deg] |
| Argument of perihelion (ω) | 62.15858 ± 1.9 × 10−5 [deg] |
| Longitude of ascending node (Ω) | 141.06628 ± 1.4 × 10−5 [deg] |
| Non-gravitational radial acceleration (A1) | 1.7452037294 × 10−8± 2.1 × 10−10 [au day−2] |
| Non-gravitational transverse acceleration (A2) | 4.2753305920 × 10−9± 2.1 × 10−10 [au day−2] |
| Non-gravitational normal acceleration (A3) | 1.4734309689 × 10−9± 1.1 × 10−10 [au day−2] |
Notes. Osculating values of orbital parameters ±1σ uncertainty. Source: JPL Small-Body Database (JPL K171/18).
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