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) |
| 2026-05-12 00:00 |
15:30:30.10 |
-11:09:42.8 |
HIP 76020 |
17.39 |
| 2026-05-12 12:00 |
15:30:17.20 |
-11:09:22.4 |
HIP 76020 |
20.53 |
| 2026-05-13 00:00 |
15:30:04.28 |
-11:09:02.3 |
HIP 76020 |
23.69 |
| 2026-05-13 12:00 |
15:29:51.35 |
-11:08:42.5 |
HIP 76020 |
26.85 |
| 2026-05-14 00:00 |
15:29:38.42 |
-11:08:23.0 |
HIP 75729 |
27.84 |
| 2026-05-14 12:00 |
15:29:25.48 |
-11:08:03.7 |
HIP 75729 |
25.79 |
| 2026-05-15 00:00 |
15:29:12.55 |
-11:07:44.8 |
HIP 75729 |
24.00 |
| 2026-05-15 12:00 |
15:28:59.60 |
-11:07:26.2 |
HIP 75729 |
22.50 |
| 2026-05-16 00:00 |
15:28:46.67 |
-11:07:07.9 |
HIP 75663 |
20.95 |
| 2026-05-16 12:00 |
15:28:33.73 |
-11:06:50.0 |
HIP 75663 |
18.02 |
| 2026-05-17 00:00 |
15:28:20.80 |
-11:06:32.4 |
HIP 75663 |
15.19 |
| 2026-05-17 12:00 |
15:28:07.88 |
-11:06:15.1 |
HIP 75663 |
12.54 |
| 2026-05-18 00:00 |
15:27:54.97 |
-11:05:58.2 |
HIP 75663 |
10.21 |
| 2026-05-18 12:00 |
15:27:42.07 |
-11:05:41.6 |
HIP 75663 |
8.45 |
| 2026-05-19 00:00 |
15:27:29.18 |
-11:05:25.4 |
HIP 75663 |
7.68 |
| 2026-05-19 12:00 |
15:27:16.31 |
-11:05:09.6 |
HIP 75663 |
8.17 |
| 2026-05-20 00:00 |
15:27:03.46 |
-11:04:54.1 |
HIP 75663 |
9.73 |
| 2026-05-20 12:00 |
15:26:50.63 |
-11:04:39.0 |
HIP 75663 |
11.94 |
| 2026-05-21 00:00 |
15:26:37.82 |
-11:04:24.3 |
HIP 75663 |
14.50 |
| 2026-05-21 12:00 |
15:26:25.03 |
-11:04:10.0 |
HIP 75663 |
17.26 |
| 2026-05-22 00:00 |
15:26:12.27 |
-11:03:56.1 |
HIP 75487 |
15.15 |
| 2026-05-22 12:00 |
15:25:59.54 |
-11:03:42.6 |
HIP 75487 |
12.13 |
| 2026-05-23 00:00 |
15:25:46.84 |
-11:03:29.5 |
HIP 75487 |
9.18 |
| 2026-05-23 12:00 |
15:25:34.17 |
-11:03:16.8 |
HIP 75487 |
6.41 |
| 2026-05-24 00:00 |
15:25:21.53 |
-11:03:04.5 |
HIP 75487 |
4.19 |
| 2026-05-24 12:00 |
15:25:08.93 |
-11:02:52.6 |
HIP 75487 |
3.64 |
| 2026-05-25 00:00 |
15:24:56.37 |
-11:02:41.2 |
HIP 75487 |
5.31 |
| 2026-05-25 12:00 |
15:24:43.84 |
-11:02:30.2 |
HIP 75419 |
2.82 |
| 2026-05-26 00:00 |
15:24:31.35 |
-11:02:19.6 |
HIP 75419 |
0.25 |
| 2026-05-26 12:00 |
15:24:18.91 |
-11:02:09.4 |
HIP 75419 |
3.31 |
| 2026-05-27 00:00 |
15:24:06.51 |
-11:01:59.7 |
HIP 75419 |
6.35 |
| 2026-05-27 12:00 |
15:23:54.16 |
-11:01:50.4 |
HIP 75419 |
9.39 |
| 2026-05-28 00:00 |
15:23:41.85 |
-11:01:41.6 |
HIP 75419 |
12.41 |
| 2026-05-28 12:00 |
15:23:29.60 |
-11:01:33.3 |
HIP 75419 |
15.42 |
| 2026-05-29 00:00 |
15:23:17.39 |
-11:01:25.4 |
HIP 75419 |
18.42 |
| 2026-05-29 12:00 |
15:23:05.24 |
-11:01:17.9 |
HIP 75419 |
21.40 |
| 2026-05-30 00:00 |
15:22:53.14 |
-11:01:10.9 |
HIP 75253 |
21.92 |
| 2026-05-30 12:00 |
15:22:41.10 |
-11:01:04.4 |
HIP 75253 |
21.46 |
| 2026-05-31 00:00 |
15:22:29.11 |
-11:00:58.4 |
HIP 75253 |
21.42 |
| 2026-05-31 12:00 |
15:22:17.18 |
-11:00:52.8 |
HIP 75253 |
21.78 |
| 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 |