메타데이터
| 항목 |
값 |
| Designation |
P/2023 B1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-05-02T05:53:45.058560Z |
| Orbit solution date (soln_date, UTC) |
2024-03-19T12:13:30Z |
| Obs used |
509 |
| NEO |
- |
| M1 |
6.200 |
| K1 |
10.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2023-01-21T11:25:35.040000Z |
| Discovery magnitude (MPC) |
17.72 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2023-03-08.0000000 |
| e |
0.12908968 |
| q (au) |
6.140427 |
| a (au) |
7.050585 |
| i (deg) |
14.588159 |
| Ω (om, deg) |
78.582880 |
| ω (w, deg) |
81.602218 |
| M (ma, deg) |
357.091530 |
밝기
산란 + 전체 선형
$$
M_a = (14.413 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.413 |
| n |
2.000 |
| gf |
0.988 |
| gb |
-0.825 |
| k |
0.800 |
| 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) |
| 2026-03-26 00:00 |
15:45:44.61 |
-11:47:46.5 |
HIP 77071 |
23.91 |
| 2026-03-26 12:00 |
15:45:40.11 |
-11:47:27.2 |
HIP 77071 |
23.06 |
| 2026-03-27 00:00 |
15:45:35.47 |
-11:47:07.6 |
HIP 77071 |
22.21 |
| 2026-03-27 12:00 |
15:45:30.68 |
-11:46:47.8 |
HIP 77071 |
21.36 |
| 2026-03-28 00:00 |
15:45:25.75 |
-11:46:27.6 |
HIP 77071 |
20.52 |
| 2026-03-28 12:00 |
15:45:20.68 |
-11:46:07.3 |
HIP 77071 |
19.70 |
| 2026-03-29 00:00 |
15:45:15.47 |
-11:45:46.6 |
HIP 77071 |
18.91 |
| 2026-03-29 12:00 |
15:45:10.11 |
-11:45:25.7 |
HIP 77071 |
18.16 |
| 2026-03-30 00:00 |
15:45:04.62 |
-11:45:04.6 |
HIP 77071 |
17.46 |
| 2026-03-30 12:00 |
15:44:58.98 |
-11:44:43.3 |
HIP 77071 |
16.83 |
| 2026-03-31 00:00 |
15:44:53.21 |
-11:44:21.7 |
HIP 77071 |
16.28 |
| 2026-03-31 12:00 |
15:44:47.30 |
-11:43:59.9 |
HIP 77071 |
15.83 |
| 2026-04-01 00:00 |
15:44:41.25 |
-11:43:37.8 |
HIP 77071 |
15.51 |
| 2026-04-01 12:00 |
15:44:35.07 |
-11:43:15.5 |
HIP 77071 |
15.32 |
| 2026-04-02 00:00 |
15:44:28.75 |
-11:42:53.1 |
HIP 77071 |
15.29 |
| 2026-04-02 12:00 |
15:44:22.30 |
-11:42:30.4 |
HIP 77071 |
15.42 |
| 2026-04-03 00:00 |
15:44:15.71 |
-11:42:07.5 |
HIP 77071 |
15.72 |
| 2026-04-03 12:00 |
15:44:08.99 |
-11:41:44.4 |
HIP 77071 |
16.20 |
| 2026-04-04 00:00 |
15:44:02.13 |
-11:41:21.1 |
HIP 77071 |
16.84 |
| 2026-04-04 12:00 |
15:43:55.14 |
-11:40:57.6 |
HIP 77071 |
17.64 |
| 2026-04-05 00:00 |
15:43:48.03 |
-11:40:33.9 |
HIP 77071 |
18.58 |
| 2026-04-05 12:00 |
15:43:40.78 |
-11:40:10.1 |
HIP 77071 |
19.66 |
| 2026-04-06 00:00 |
15:43:33.41 |
-11:39:46.0 |
HIP 77071 |
20.86 |
| 2026-04-06 12:00 |
15:43:25.90 |
-11:39:21.8 |
HIP 77071 |
22.17 |
| 2026-04-07 00:00 |
15:43:18.27 |
-11:38:57.5 |
HIP 77071 |
23.58 |
| 2026-04-07 12:00 |
15:43:10.51 |
-11:38:32.9 |
HIP 77071 |
25.08 |
| 2026-04-08 00:00 |
15:43:02.63 |
-11:38:08.3 |
HIP 76887 |
25.15 |
| 2026-04-08 12:00 |
15:42:54.63 |
-11:37:43.4 |
HIP 76887 |
23.65 |
| 2026-04-09 00:00 |
15:42:46.50 |
-11:37:18.4 |
HIP 76887 |
22.22 |
| 2026-04-09 12:00 |
15:42:38.25 |
-11:36:53.3 |
HIP 76887 |
20.87 |
| 2026-04-10 00:00 |
15:42:29.88 |
-11:36:28.1 |
HIP 76887 |
19.63 |
| 2026-04-10 12:00 |
15:42:21.38 |
-11:36:02.7 |
HIP 76887 |
18.54 |
| 2026-04-11 00:00 |
15:42:12.77 |
-11:35:37.2 |
HIP 76887 |
17.62 |
| 2026-04-11 12:00 |
15:42:04.04 |
-11:35:11.6 |
HIP 76887 |
16.93 |
| 2026-04-12 00:00 |
15:41:55.20 |
-11:34:45.8 |
HIP 76887 |
16.50 |
| 2026-04-12 12:00 |
15:41:46.24 |
-11:34:20.0 |
HIP 76887 |
16.37 |
| 2026-04-13 00:00 |
15:41:37.17 |
-11:33:54.1 |
HIP 76887 |
16.54 |
| 2026-04-13 12:00 |
15:41:27.98 |
-11:33:28.0 |
HIP 76887 |
17.03 |
| 2026-04-14 00:00 |
15:41:18.68 |
-11:33:01.9 |
HIP 76887 |
17.82 |
| 2026-04-14 12:00 |
15:41:09.28 |
-11:32:35.7 |
HIP 76887 |
18.88 |
| 2026-04-15 00:00 |
15:40:59.76 |
-11:32:09.5 |
HIP 76828 |
20.14 |
| 2026-04-15 12:00 |
15:40:50.14 |
-11:31:43.1 |
HIP 76828 |
20.99 |
| 2026-04-16 00:00 |
15:40:40.41 |
-11:31:16.8 |
HIP 76828 |
22.08 |