| Epoch (TDB) | 2020-12-10 (JD 2459193.5) |
|---|---|
| Eccentricity (e) | 0.9297090702 ± 3.19e-08 |
| Semi-major axis (a) | 16.6888593039 AU ± 1.52e-07 |
| Inclination (i) | 44.62417343° ± 1.37e-05 |
| Long. of Asc. Node (Ω) | 85.87217989° ± 1.51e-05 |
| Arg. of Perihelion (ω) | 64.51127082° ± 3.03e-05 |
| Mean Anomaly (M) | 341.22493651° ± 4.64e-07 |
| Mean Motion (n) | 0.0144565311°/day ± 1.97e-10 |
| Perihelion dist (q) | 1.17307544 AU ± 5.33e-07 |
| Aphelion dist (Q) | 32.20464317 AU ± 6.08e-07 |
| Orbital Period | 68.17861620 yr ± 9.30e-07 |
| Source | JPL |
|---|---|
| Solution Date | 2026-07-28 14:18:43 |
| RMS Residual | 0.568″ |
| Uncertainty | 0 |
| Orbit Type | Halley-type Comet* |
| MOID | 0.470257 AU |
| Observations Used | 2605 |
| Oppositions | — |
| Arc Total | 1887-2025 |
| First Observation Used | — |
| Last Observation Used | 2025-07-31 |
| Date | Type | RA | Dec | Mag | Band | Observatory |
|---|---|---|---|---|---|---|
| 1887-09-21 02:59:55 | M | 10 41 23.01 | +29 00 34.3 | – | q | 516 |
| 1887-09-21 03:02:45 | N | 10 41 23.26 | +29 00 21.0 | – | q | 475 |
| 1887-09-21 03:12:25 | M | 10 41 25.52 | +29 00 25.3 | – | q | 603 |
| 1887-09-21 03:29:17 | M | 10 41 29.11 | +29 00 23.6 | – | q | 516 |
| 1887-09-21 03:30:01 | M | 10 41 29.11 | +29 00 23.7 | – | q | 516 |
| 1887-09-21 03:30:06 | N | 10 41 28.95 | +29 00 21.7 | – | q | 035 |
| 1887-09-21 03:47:22 | M | 10 41 32.66 | +29 00 16.0 | – | q | 014 |
| 1887-09-21 03:56:31 | N | 10 41 34.26 | +29 00 15.7 | – | q | 526 |
| 1887-09-21 04:02:15 | M | 10 41 35.77 | +29 00 15.0 | – | q | 516 |
| 1887-09-21 18:18:27 | N | 10 44 31.00 | +28 55 58.4 | – | q | 084 |
| 1887-09-22 01:55:56 | M | 10 46 05.31 | +28 53 38.2 | – | q | 058 |
| 1887-09-22 03:23:05 | M | 10 46 22.80 | +28 53 12.0 | – | q | 603 |
| 1887-09-22 03:39:10 | M | 10 46 26.61 | +28 53 08.0 | – | q | 539 |
| 1887-09-22 04:25:37 | M | 10 46 36.00 | +28 52 54.2 | – | q | 999 |
| 1887-09-22 04:40:22 | M | 10 46 39.24 | +28 52 46.4 | – | q | 008 |
| 1887-09-23 03:29:19 | M | 10 51 19.93 | +28 45 16.1 | – | q | 035 |
| 1887-09-23 04:08:46 | M | 10 51 28.22 | +28 45 06.2 | – | q | 008 |
| 1887-09-23 04:08:59 | M | 10 51 27.21 | +28 44 51.8 | – | q | 014 |
| 1887-09-23 04:26:57 | M | 10 51 31.68 | +28 44 56.6 | – | q | 008 |
| 1887-09-24 03:25:00 | N | 10 56 15.10 | +28 36 52.4 | – | q | 035 |
| 1887-09-24 03:34:24 | M | 10 56 16.71 | +28 36 49.0 | – | q | 603 |
| 1887-09-24 04:08:11 | M | 10 56 23.17 | +28 36 37.0 | – | q | 014 |
| 1887-09-24 04:30:44 | M | 10 56 28.89 | +28 36 31.6 | – | q | 999 |
| 1887-09-24 09:17:21 | M | 10 57 28.28 | +28 34 38.6 | – | q | 296 |
| 1887-09-25 01:57:11 | M | 11 00 53.53 | +28 28 22.4 | – | q | 089 |
| 1887-09-25 02:52:38 | M | 11 01 04.89 | +28 28 01.8 | – | q | 516 |
| 1887-09-25 03:09:38 | M | 11 01 08.12 | +28 27 52.6 | – | q | 035 |
| 1887-09-25 03:13:00 | M | 11 01 09.08 | +28 27 45.3 | – | q | 603 |
| 1887-09-25 03:32:03 | M | 11 01 13.40 | +28 27 39.7 | – | q | 533 |
| 1887-09-25 04:35:30 | M | 11 01 26.25 | +28 27 22.6 | – | q | 999 |
| 1887-09-26 00:20:55 | M | 11 05 29.89 | +28 19 20.5 | – | q | 084 |
| 1887-09-26 03:22:43 | M | 11 06 07.80 | +28 18 05.5 | – | q | 539 |
| 1887-09-26 03:47:51 | M | 11 06 12.60 | +28 17 52.4 | – | q | 539 |
| 1887-09-26 04:12:25 | M | 11 06 17.80 | +28 17 48.2 | – | q | 999 |
| 1887-09-27 02:36:11 | M | 11 10 53.74 | +28 08 13.8 | – | q | 534 |
| 1887-09-27 02:51:38 | M | 11 10 57.61 | +28 08 12.1 | – | q | 539 |
| 1887-09-27 04:02:27 | M | 11 11 11.85 | +28 07 32.5 | – | q | 014 |
| 1887-09-28 02:43:22 | M | 11 15 51.19 | +27 57 21.9 | – | q | 058 |
| 1887-10-02 03:47:23 | M | 11 35 44.03 | +27 07 40.1 | – | q | 189 |
| 1887-10-09 02:12:05 | M | 12 09 13.26 | +25 22 10.0 | – | q | 058 |
| 1887-10-09 02:48:51 | M | 12 09 20.58 | +25 21 44.5 | – | q | 058 |
| 1887-10-09 03:14:43 | M | 12 09 25.68 | +25 21 23.3 | – | q | 058 |
| 1887-10-09 03:31:37 | M | 12 09 29.16 | +25 21 15.9 | – | q | 058 |
| 1887-10-11 01:25:34 | M | 12 18 31.28 | +24 47 57.6 | – | q | 084 |
| 1887-10-11 04:31:35 | M | 12 19 07.91 | +24 45 47.1 | – | q | 582 |
| 1887-10-12 03:37:16 | M | 12 23 38.72 | +24 28 24.7 | – | q | 539 |
| 1887-10-12 04:05:53 | M | 12 23 44.16 | +24 27 56.8 | – | q | 539 |
| 1887-10-13 03:18:24 | M | 12 28 13.76 | +24 10 04.9 | – | q | 058 |
| 1887-10-13 04:05:31 | M | 12 28 23.17 | +24 09 37.2 | – | q | 582 |
| 1887-10-13 17:12:26 | M | 12 30 54.32 | +23 59 20.3 | – | q | 084 |