메타데이터
| 항목 |
값 |
| Designation |
470P/PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-12-19T19:12:04.207680Z |
| Orbit solution date (soln_date, UTC) |
2025-02-13T09:13:19Z |
| Obs used |
210 |
| NEO |
- |
| M1 |
13.700 |
| K1 |
11.250 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-07-30T12:57:55.440000Z |
| Discovery magnitude (MPC) |
20.84 i |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2021-03-20.0000000 |
| e |
0.38862305 |
| q (au) |
2.727781 |
| a (au) |
4.461701 |
| i (deg) |
8.837963 |
| Ω (om, deg) |
246.243776 |
| ω (w, deg) |
152.250537 |
| M (ma, deg) |
254.916863 |
밝기
산란 + 전체 선형
$$
M_a = (12.031 + 5.143\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.031 |
| n |
5.143 |
| gf |
1.000 |
| gb |
-0.503 |
| k |
1.000 |
| δ90 |
10.000 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
10:33:28.73 |
-00:17:24.2 |
HIP 51791 |
22.06 |
| 2026-06-01 12:00 |
10:33:38.54 |
-00:17:26.0 |
HIP 51791 |
19.63 |
| 2026-06-02 00:00 |
10:33:48.50 |
-00:17:28.8 |
HIP 51791 |
17.16 |
| 2026-06-02 12:00 |
10:33:58.60 |
-00:17:32.7 |
HIP 51791 |
14.67 |
| 2026-06-03 00:00 |
10:34:08.85 |
-00:17:37.6 |
HIP 51791 |
12.16 |
| 2026-06-03 12:00 |
10:34:19.23 |
-00:17:43.6 |
HIP 51791 |
9.63 |
| 2026-06-04 00:00 |
10:34:29.75 |
-00:17:50.7 |
HIP 51791 |
7.11 |
| 2026-06-04 12:00 |
10:34:40.42 |
-00:17:58.8 |
HIP 51791 |
4.68 |
| 2026-06-05 00:00 |
10:34:51.22 |
-00:18:08.0 |
HIP 51791 |
2.71 |
| 2026-06-05 12:00 |
10:35:02.16 |
-00:18:18.2 |
HIP 51791 |
2.72 |
| 2026-06-06 00:00 |
10:35:13.23 |
-00:18:29.5 |
HIP 51791 |
4.77 |
| 2026-06-06 12:00 |
10:35:24.44 |
-00:18:41.9 |
HIP 51791 |
7.34 |
| 2026-06-07 00:00 |
10:35:35.79 |
-00:18:55.3 |
HIP 51791 |
10.07 |
| 2026-06-07 12:00 |
10:35:47.27 |
-00:19:09.7 |
HIP 51791 |
12.88 |
| 2026-06-08 00:00 |
10:35:58.88 |
-00:19:25.2 |
HIP 51791 |
15.75 |
| 2026-06-08 12:00 |
10:36:10.63 |
-00:19:41.7 |
HIP 51791 |
18.67 |
| 2026-06-09 00:00 |
10:36:22.51 |
-00:19:59.3 |
HIP 51791 |
21.62 |
| 2026-06-09 12:00 |
10:36:34.52 |
-00:20:17.8 |
HIP 51791 |
24.62 |
| 2026-06-10 00:00 |
10:36:46.66 |
-00:20:37.5 |
HIP 51791 |
27.65 |
| 2026-06-10 12:00 |
10:36:58.92 |
-00:20:58.1 |
HIP 51791 |
30.72 |
| 2026-06-11 00:00 |
10:37:11.32 |
-00:21:19.8 |
HIP 51791 |
33.83 |
| 2026-06-11 12:00 |
10:37:23.85 |
-00:21:42.5 |
HIP 51791 |
36.97 |
| 2026-06-12 00:00 |
10:37:36.50 |
-00:22:06.2 |
HIP 51791 |
40.14 |
| 2026-06-12 12:00 |
10:37:49.28 |
-00:22:30.9 |
HIP 51791 |
43.35 |
| 2026-06-13 00:00 |
10:38:02.18 |
-00:22:56.7 |
HIP 52228 |
45.12 |
| 2026-06-13 12:00 |
10:38:15.21 |
-00:23:23.5 |
HIP 52228 |
42.48 |
| 2026-06-14 00:00 |
10:38:28.36 |
-00:23:51.3 |
HIP 52228 |
39.89 |
| 2026-06-14 12:00 |
10:38:41.64 |
-00:24:20.1 |
HIP 52277 |
37.31 |
| 2026-06-15 00:00 |
10:38:55.03 |
-00:24:49.9 |
HIP 52277 |
34.08 |
| 2026-06-15 12:00 |
10:39:08.55 |
-00:25:20.7 |
HIP 52277 |
30.85 |
| 2026-06-16 00:00 |
10:39:22.19 |
-00:25:52.5 |
HIP 52277 |
27.63 |
| 2026-06-16 12:00 |
10:39:35.94 |
-00:26:25.2 |
HIP 52277 |
24.44 |
| 2026-06-17 00:00 |
10:39:49.82 |
-00:26:59.0 |
HIP 52277 |
21.31 |
| 2026-06-17 12:00 |
10:40:03.81 |
-00:27:33.8 |
HIP 52277 |
18.28 |
| 2026-06-18 00:00 |
10:40:17.92 |
-00:28:09.5 |
HIP 52277 |
15.44 |
| 2026-06-18 12:00 |
10:40:32.14 |
-00:28:46.3 |
HIP 52277 |
12.94 |
| 2026-06-19 00:00 |
10:40:46.48 |
-00:29:24.0 |
HIP 52277 |
11.05 |
| 2026-06-19 12:00 |
10:41:00.93 |
-00:30:02.6 |
HIP 52277 |
10.15 |
| 2026-06-20 00:00 |
10:41:15.50 |
-00:30:42.2 |
HIP 52277 |
10.53 |
| 2026-06-20 12:00 |
10:41:30.17 |
-00:31:22.8 |
HIP 52277 |
12.09 |
| 2026-06-21 00:00 |
10:41:44.96 |
-00:32:04.3 |
HIP 52277 |
14.48 |
| 2026-06-21 12:00 |
10:41:59.85 |
-00:32:46.8 |
HIP 52277 |
17.39 |
| 2026-06-22 00:00 |
10:42:14.85 |
-00:33:30.2 |
HIP 52327 |
19.79 |