메타데이터
| 항목 |
값 |
| Designation |
P/2024 T1 (Rankin) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-09-30T10:53:27.006720Z |
| Orbit solution date (soln_date, UTC) |
2025-02-20T14:12:25Z |
| Obs used |
158 |
| NEO |
- |
| M1 |
16.100 |
| K1 |
4.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-10-02T11:50:41.510400Z |
| Discovery magnitude (MPC) |
19.82 G |
| Discovery observatory (MPC) |
G96 · University of Arizona Mt. Lemmon Survey |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-11-28.0000000 |
| e |
0.65385983 |
| q (au) |
2.287077 |
| a (au) |
6.607373 |
| i (deg) |
17.619161 |
| Ω (om, deg) |
279.709192 |
| ω (w, deg) |
164.882104 |
| M (ma, deg) |
3.397502 |
밝기
산란 + 전체 선형
$$
M_a = (11.595 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.595 |
| n |
6.000 |
| gf |
0.944 |
| gb |
-0.765 |
| k |
0.997 |
| δ90 |
7.868 |
| 파라미터 |
기호 |
범위 |
설명 |
| 태양·지구거리 1 AU에서의 절대등급 |
H0 |
-5 to 20 |
혜성의 고유 밝기 |
| 광도 기울기 파라미터 |
n |
2 to 6 |
태양거리 변화에 따른 밝기 변화율 |
| 전방 산란 비대칭 계수 |
gf |
0.8 to 1 |
전방 산란의 강도 |
| 후방 산란 비대칭 계수 |
gb |
-1 to -0.5 |
후방 산란의 강도 |
| 분할 계수 |
k |
0.8 to 1 |
전·후방 산란 기여도 비율 |
| 먼지/가스 밝기 비 |
δ90 |
1 to 10 |
코마에서 먼지 산란 대비 가스 방출의 상대 기여 |
참고: EPSC-DPS2025-160
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
12:00:39.89 |
-21:23:48.6 |
HIP 58596 |
9.66 |
| 2026-06-01 12:00 |
12:00:41.86 |
-21:21:57.7 |
HIP 58596 |
7.80 |
| 2026-06-02 00:00 |
12:00:44.02 |
-21:20:08.0 |
HIP 58596 |
5.96 |
| 2026-06-02 12:00 |
12:00:46.36 |
-21:18:19.5 |
HIP 58596 |
4.15 |
| 2026-06-03 00:00 |
12:00:48.89 |
-21:16:32.1 |
HIP 58596 |
2.46 |
| 2026-06-03 12:00 |
12:00:51.61 |
-21:14:45.9 |
HIP 58596 |
1.35 |
| 2026-06-04 00:00 |
12:00:54.51 |
-21:13:00.8 |
HIP 58596 |
2.13 |
| 2026-06-04 12:00 |
12:00:57.59 |
-21:11:16.9 |
HIP 58596 |
3.76 |
| 2026-06-05 00:00 |
12:01:00.85 |
-21:09:34.2 |
HIP 58596 |
5.53 |
| 2026-06-05 12:00 |
12:01:04.29 |
-21:07:52.7 |
HIP 58596 |
7.35 |
| 2026-06-06 00:00 |
12:01:07.92 |
-21:06:12.4 |
HIP 58596 |
9.18 |
| 2026-06-06 12:00 |
12:01:11.72 |
-21:04:33.3 |
HIP 58596 |
11.01 |
| 2026-06-07 00:00 |
12:01:15.71 |
-21:02:55.3 |
HIP 58596 |
12.86 |
| 2026-06-07 12:00 |
12:01:19.87 |
-21:01:18.6 |
HIP 58596 |
14.71 |
| 2026-06-08 00:00 |
12:01:24.21 |
-20:59:43.1 |
HIP 58679 |
14.35 |
| 2026-06-08 12:00 |
12:01:28.73 |
-20:58:08.9 |
HIP 58679 |
12.47 |
| 2026-06-09 00:00 |
12:01:33.43 |
-20:56:35.8 |
HIP 58679 |
10.57 |
| 2026-06-09 12:00 |
12:01:38.30 |
-20:55:04.0 |
HIP 58679 |
8.67 |
| 2026-06-10 00:00 |
12:01:43.34 |
-20:53:33.4 |
HIP 58679 |
6.76 |
| 2026-06-10 12:00 |
12:01:48.56 |
-20:52:04.0 |
HIP 58679 |
4.84 |
| 2026-06-11 00:00 |
12:01:53.96 |
-20:50:35.9 |
HIP 58679 |
2.90 |
| 2026-06-11 12:00 |
12:01:59.52 |
-20:49:09.0 |
HIP 58679 |
0.96 |
| 2026-06-12 00:00 |
12:02:05.26 |
-20:47:43.4 |
HIP 58679 |
1.00 |
| 2026-06-12 12:00 |
12:02:11.17 |
-20:46:19.0 |
HIP 58679 |
2.97 |
| 2026-06-13 00:00 |
12:02:17.25 |
-20:44:55.9 |
HIP 58679 |
4.95 |
| 2026-06-13 12:00 |
12:02:23.51 |
-20:43:34.1 |
HIP 58679 |
6.95 |
| 2026-06-14 00:00 |
12:02:29.93 |
-20:42:13.5 |
HIP 58679 |
8.96 |
| 2026-06-14 12:00 |
12:02:36.52 |
-20:40:54.2 |
HIP 58679 |
10.99 |
| 2026-06-15 00:00 |
12:02:43.27 |
-20:39:36.2 |
HIP 58679 |
13.03 |
| 2026-06-15 12:00 |
12:02:50.19 |
-20:38:19.4 |
HIP 58679 |
15.09 |
| 2026-06-16 00:00 |
12:02:57.28 |
-20:37:03.9 |
HIP 58679 |
17.16 |
| 2026-06-16 12:00 |
12:03:04.54 |
-20:35:49.7 |
HIP 58679 |
19.25 |
| 2026-06-17 00:00 |
12:03:11.96 |
-20:34:36.8 |
HIP 58679 |
21.36 |
| 2026-06-17 12:00 |
12:03:19.54 |
-20:33:25.2 |
HIP 58679 |
23.48 |
| 2026-06-18 00:00 |
12:03:27.28 |
-20:32:14.8 |
HIP 58679 |
25.63 |
| 2026-06-18 12:00 |
12:03:35.18 |
-20:31:05.8 |
HIP 58679 |
27.79 |
| 2026-06-19 00:00 |
12:03:43.25 |
-20:29:58.0 |
HIP 58679 |
29.97 |
| 2026-06-19 12:00 |
12:03:51.47 |
-20:28:51.5 |
HIP 58679 |
32.17 |
| 2026-06-20 00:00 |
12:03:59.85 |
-20:27:46.3 |
HIP 58679 |
34.39 |
| 2026-06-20 12:00 |
12:04:08.39 |
-20:26:42.4 |
HIP 58861 |
35.70 |
| 2026-06-21 00:00 |
12:04:17.08 |
-20:25:39.8 |
HIP 59036 |
35.95 |
| 2026-06-21 12:00 |
12:04:25.93 |
-20:24:38.4 |
HIP 59036 |
33.71 |
| 2026-06-22 00:00 |
12:04:34.93 |
-20:23:38.3 |
HIP 59036 |
31.47 |