C/1907 G1 (Grigg–Mellish)
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Comet Grigg-Mellish photographed by Edward Emerson Barnard on 13 April 1907 | |
| Discovery | |
|---|---|
| Discovered by | John E. Mellish John Grigg |
| Discovery date | 8 April 1907 |
| Designations | |
| 1907b 1907 II | |
| Orbital characteristics | |
| Epoch | 18 April 1907 (JD 2417683.5) |
| Number of observations | 4 |
| Aphelion | 123.9 AU |
| Perihelion | 0.924 AU |
| Semi-major axis | 62.43 AU |
| Eccentricity | 0.985205 |
| Orbital period | ~490 years |
| Inclination | 109.95° |
| 190.47° | |
| Argument of periapsis | 328.60° |
| Last perihelion | 27 March 1907 |
| Next perihelion | ~2400 |
| TJupiter | -0.322 |
| Earth MOID | 0.003 AU |
| Jupiter MOID | 1.351 AU |
| Comet total magnitude (M1) | 10.0 |
C/1907 G1 (Grigg–Mellish) is a long-period comet discovered independently by John Grigg and John E. Mellish in April 1907. The comet has been identified as the parent body of the delta Pavonids meteor shower.