메타데이터
| 항목 |
값 |
| Designation |
P/2023 B1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-05-02T06:19:36.007680Z |
| Orbit solution date (soln_date, UTC) |
2026-05-05T09:12:15Z |
| Obs used |
511 |
| 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) |
2023-03-13.0000000 |
| e |
0.12909924 |
| q (au) |
6.140433 |
| a (au) |
7.050669 |
| i (deg) |
14.588220 |
| Ω (om, deg) |
78.583922 |
| ω (w, deg) |
81.602452 |
| M (ma, deg) |
357.353863 |
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) |
| 2026-06-01 00:00 |
15:22:05.32 |
-11:00:47.8 |
HIP 75136 |
20.47 |
| 2026-06-01 12:00 |
15:21:53.51 |
-11:00:43.2 |
HIP 75136 |
18.88 |
| 2026-06-02 00:00 |
15:21:41.77 |
-11:00:39.1 |
HIP 75075 |
17.37 |
| 2026-06-02 12:00 |
15:21:30.10 |
-11:00:35.5 |
HIP 75075 |
14.52 |
| 2026-06-03 00:00 |
15:21:18.49 |
-11:00:32.4 |
HIP 75075 |
11.69 |
| 2026-06-03 12:00 |
15:21:06.95 |
-11:00:29.7 |
HIP 75075 |
8.89 |
| 2026-06-04 00:00 |
15:20:55.48 |
-11:00:27.6 |
HIP 75075 |
6.14 |
| 2026-06-04 12:00 |
15:20:44.08 |
-11:00:26.0 |
HIP 75075 |
3.51 |
| 2026-06-05 00:00 |
15:20:32.76 |
-11:00:25.0 |
HIP 75075 |
1.58 |
| 2026-06-05 12:00 |
15:20:21.51 |
-11:00:24.4 |
HIP 75075 |
2.84 |
| 2026-06-06 00:00 |
15:20:10.33 |
-11:00:24.3 |
HIP 75075 |
5.35 |
| 2026-06-06 12:00 |
15:19:59.23 |
-11:00:24.8 |
HIP 75075 |
7.99 |
| 2026-06-07 00:00 |
15:19:48.22 |
-11:00:25.8 |
HIP 75028 |
10.38 |
| 2026-06-07 12:00 |
15:19:37.28 |
-11:00:27.4 |
HIP 75028 |
10.89 |
| 2026-06-08 00:00 |
15:19:26.42 |
-11:00:29.4 |
HIP 75028 |
11.97 |
| 2026-06-08 12:00 |
15:19:15.65 |
-11:00:32.0 |
HIP 75028 |
13.48 |
| 2026-06-09 00:00 |
15:19:04.96 |
-11:00:35.2 |
HIP 75028 |
15.28 |
| 2026-06-09 12:00 |
15:18:54.36 |
-11:00:38.9 |
HIP 75028 |
17.27 |
| 2026-06-10 00:00 |
15:18:43.84 |
-11:00:43.1 |
HIP 75028 |
19.38 |
| 2026-06-10 12:00 |
15:18:33.42 |
-11:00:47.9 |
HIP 75028 |
21.57 |
| 2026-06-11 00:00 |
15:18:23.09 |
-11:00:53.2 |
HIP 74774 |
21.92 |
| 2026-06-11 12:00 |
15:18:12.84 |
-11:00:59.1 |
HIP 74774 |
19.40 |
| 2026-06-12 00:00 |
15:18:02.70 |
-11:01:05.6 |
HIP 74774 |
16.92 |
| 2026-06-12 12:00 |
15:17:52.64 |
-11:01:12.6 |
HIP 74774 |
14.45 |
| 2026-06-13 00:00 |
15:17:42.69 |
-11:01:20.2 |
HIP 74774 |
12.01 |
| 2026-06-13 12:00 |
15:17:32.83 |
-11:01:28.3 |
HIP 74774 |
9.61 |
| 2026-06-14 00:00 |
15:17:23.07 |
-11:01:37.1 |
HIP 74774 |
7.24 |
| 2026-06-14 12:00 |
15:17:13.41 |
-11:01:46.4 |
HIP 74774 |
4.92 |
| 2026-06-15 00:00 |
15:17:03.85 |
-11:01:56.3 |
HIP 74774 |
2.73 |
| 2026-06-15 12:00 |
15:16:54.40 |
-11:02:06.7 |
HIP 74774 |
1.33 |
| 2026-06-16 00:00 |
15:16:45.05 |
-11:02:17.8 |
HIP 74774 |
2.62 |
| 2026-06-16 12:00 |
15:16:35.80 |
-11:02:29.4 |
HIP 74774 |
4.73 |
| 2026-06-17 00:00 |
15:16:26.67 |
-11:02:41.7 |
HIP 74774 |
6.92 |
| 2026-06-17 12:00 |
15:16:17.64 |
-11:02:54.5 |
HIP 74774 |
9.12 |
| 2026-06-18 00:00 |
15:16:08.72 |
-11:03:07.9 |
HIP 74774 |
11.30 |
| 2026-06-18 12:00 |
15:15:59.91 |
-11:03:21.9 |
HIP 74774 |
13.47 |
| 2026-06-19 00:00 |
15:15:51.22 |
-11:03:36.4 |
HIP 74774 |
15.61 |
| 2026-06-19 12:00 |
15:15:42.63 |
-11:03:51.6 |
HIP 74774 |
17.72 |
| 2026-06-20 00:00 |
15:15:34.16 |
-11:04:07.4 |
HIP 74774 |
19.82 |
| 2026-06-20 12:00 |
15:15:25.81 |
-11:04:23.8 |
HIP 74774 |
21.88 |
| 2026-06-21 00:00 |
15:15:17.57 |
-11:04:40.7 |
HIP 74659 |
22.20 |
| 2026-06-21 12:00 |
15:15:09.45 |
-11:04:58.3 |
HIP 74659 |
22.14 |
| 2026-06-22 00:00 |
15:15:01.44 |
-11:05:16.4 |
HIP 74659 |
22.24 |