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) |
| 2026-09-25 00:00 |
15:29:29.26 |
-14:32:00.4 |
HIP 75879 |
18.10 |
| 2026-09-25 12:00 |
15:29:44.93 |
-14:33:34.0 |
HIP 75879 |
15.54 |
| 2026-09-26 00:00 |
15:30:00.69 |
-14:35:07.7 |
HIP 75879 |
13.75 |
| 2026-09-26 12:00 |
15:30:16.53 |
-14:36:41.5 |
HIP 75879 |
13.07 |
| 2026-09-27 00:00 |
15:30:32.46 |
-14:38:15.3 |
HIP 75879 |
13.67 |
| 2026-09-27 12:00 |
15:30:48.46 |
-14:39:49.2 |
HIP 75879 |
15.43 |
| 2026-09-28 00:00 |
15:31:04.55 |
-14:41:23.1 |
HIP 75879 |
18.02 |
| 2026-09-28 12:00 |
15:31:20.72 |
-14:42:57.1 |
HIP 76085 |
16.77 |
| 2026-09-29 00:00 |
15:31:36.97 |
-14:44:31.1 |
HIP 76085 |
14.58 |
| 2026-09-29 12:00 |
15:31:53.30 |
-14:46:05.2 |
HIP 76085 |
13.40 |
| 2026-09-30 00:00 |
15:32:09.70 |
-14:47:39.3 |
HIP 76085 |
13.51 |
| 2026-09-30 12:00 |
15:32:26.19 |
-14:49:13.4 |
HIP 76085 |
14.90 |
| 2026-10-01 00:00 |
15:32:42.76 |
-14:50:47.6 |
HIP 76085 |
17.28 |
| 2026-10-01 12:00 |
15:32:59.40 |
-14:52:21.8 |
HIP 76211 |
15.98 |
| 2026-10-02 00:00 |
15:33:16.12 |
-14:53:56.0 |
HIP 76211 |
12.08 |
| 2026-10-02 12:00 |
15:33:32.92 |
-14:55:30.3 |
HIP 76211 |
8.58 |
| 2026-10-03 00:00 |
15:33:49.79 |
-14:57:04.5 |
HIP 76211 |
6.25 |
| 2026-10-03 12:00 |
15:34:06.74 |
-14:58:38.8 |
HIP 76211 |
6.54 |
| 2026-10-04 00:00 |
15:34:23.77 |
-15:00:13.1 |
HIP 76211 |
9.22 |
| 2026-10-04 12:00 |
15:34:40.87 |
-15:01:47.4 |
HIP 76211 |
12.90 |
| 2026-10-05 00:00 |
15:34:58.04 |
-15:03:21.7 |
HIP 76211 |
16.95 |
| 2026-10-05 12:00 |
15:35:15.29 |
-15:04:56.0 |
HIP 76333 |
17.99 |
| 2026-10-06 00:00 |
15:35:32.61 |
-15:06:30.3 |
HIP 76333 |
19.13 |
| 2026-10-06 12:00 |
15:35:50.00 |
-15:08:04.6 |
HIP 76333 |
21.18 |
| 2026-10-07 00:00 |
15:36:07.47 |
-15:09:38.9 |
HIP 76333 |
23.91 |
| 2026-10-07 12:00 |
15:36:25.00 |
-15:11:13.2 |
HIP 76458 |
20.85 |
| 2026-10-08 00:00 |
15:36:42.61 |
-15:12:47.4 |
HIP 76458 |
18.27 |
| 2026-10-08 12:00 |
15:37:00.29 |
-15:14:21.7 |
HIP 76458 |
16.54 |
| 2026-10-09 00:00 |
15:37:18.03 |
-15:15:55.9 |
HIP 76458 |
15.97 |
| 2026-10-09 12:00 |
15:37:35.85 |
-15:17:30.1 |
HIP 76458 |
16.68 |
| 2026-10-10 00:00 |
15:37:53.73 |
-15:19:04.3 |
HIP 76458 |
18.55 |
| 2026-10-10 12:00 |
15:38:11.68 |
-15:20:38.4 |
HIP 76458 |
21.26 |
| 2026-10-11 00:00 |
15:38:29.70 |
-15:22:12.5 |
HIP 76527 |
23.39 |
| 2026-10-11 12:00 |
15:38:47.78 |
-15:23:46.5 |
HIP 76527 |
24.46 |
| 2026-10-12 00:00 |
15:39:05.93 |
-15:25:20.5 |
HIP 76527 |
26.32 |
| 2026-10-12 12:00 |
15:39:24.14 |
-15:26:54.5 |
HIP 76527 |
28.82 |
| 2026-10-13 00:00 |
15:39:42.42 |
-15:28:28.4 |
HIP 76857 |
28.87 |
| 2026-10-13 12:00 |
15:40:00.75 |
-15:30:02.3 |
HIP 76857 |
24.25 |
| 2026-10-14 00:00 |
15:40:19.16 |
-15:31:36.1 |
HIP 76857 |
19.66 |
| 2026-10-14 12:00 |
15:40:37.62 |
-15:33:09.8 |
HIP 76857 |
15.12 |
| 2026-10-15 00:00 |
15:40:56.14 |
-15:34:43.5 |
HIP 76857 |
10.71 |
| 2026-10-15 12:00 |
15:41:14.73 |
-15:36:17.1 |
HIP 76857 |
6.75 |
| 2026-10-16 00:00 |
15:41:33.37 |
-15:37:50.7 |
HIP 76857 |
4.60 |