메타데이터
| 항목 |
값 |
| Designation |
P/2026 B1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2026-08-12T08:01:53.051520Z |
| Orbit solution date (soln_date, UTC) |
2026-03-31T12:12:02Z |
| Obs used |
96 |
| NEO |
- |
| M1 |
17.700 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2023-06-24.0000000 |
| e |
0.32345368 |
| q (au) |
2.460613 |
| a (au) |
3.637021 |
| i (deg) |
4.009993 |
| Ω (om, deg) |
105.175738 |
| ω (w, deg) |
73.550094 |
| M (ma, deg) |
197.251203 |
밝기
산란 + 전체 선형
$$
M_a = (H_0 + n\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
- |
| n |
- |
| gf |
- |
| gb |
- |
| k |
- |
| δ90 |
- |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-28 00:00 |
09:08:19.01 |
+19:26:53.7 |
HIP 44964 |
32.84 |
| 2026-05-28 12:00 |
09:09:02.65 |
+19:23:44.1 |
HIP 45005 |
29.74 |
| 2026-05-29 00:00 |
09:09:46.42 |
+19:20:33.2 |
HIP 45005 |
23.52 |
| 2026-05-29 12:00 |
09:10:30.31 |
+19:17:21.1 |
HIP 45005 |
21.35 |
| 2026-05-30 00:00 |
09:11:14.32 |
+19:14:07.9 |
HIP 45074 |
21.40 |
| 2026-05-30 12:00 |
09:11:58.46 |
+19:10:53.4 |
HIP 45074 |
23.36 |
| 2026-05-31 00:00 |
09:12:42.71 |
+19:07:37.7 |
HIP 45179 |
27.58 |
| 2026-05-31 12:00 |
09:13:27.08 |
+19:04:20.9 |
HIP 45179 |
28.17 |
| 2026-06-01 00:00 |
09:14:11.56 |
+19:01:02.8 |
HIP 45456 |
27.03 |
| 2026-06-01 12:00 |
09:14:56.16 |
+18:57:43.6 |
HIP 45456 |
16.39 |
| 2026-06-02 00:00 |
09:15:40.87 |
+18:54:23.1 |
HIP 45456 |
7.12 |
| 2026-06-02 12:00 |
09:16:25.70 |
+18:51:01.5 |
HIP 45510 |
2.43 |
| 2026-06-03 00:00 |
09:17:10.63 |
+18:47:38.7 |
HIP 45510 |
10.32 |
| 2026-06-03 12:00 |
09:17:55.67 |
+18:44:14.7 |
HIP 45648 |
5.67 |
| 2026-06-04 00:00 |
09:18:40.83 |
+18:40:49.6 |
HIP 45648 |
8.27 |
| 2026-06-04 12:00 |
09:19:26.08 |
+18:37:23.2 |
HIP 45648 |
18.92 |
| 2026-06-05 00:00 |
09:20:11.45 |
+18:33:55.7 |
HIP 45917 |
25.14 |
| 2026-06-05 12:00 |
09:20:56.92 |
+18:30:27.0 |
HIP 45917 |
18.64 |
| 2026-06-06 00:00 |
09:21:42.49 |
+18:26:57.1 |
HIP 45917 |
17.88 |
| 2026-06-06 12:00 |
09:22:28.17 |
+18:23:26.1 |
HIP 45992 |
16.23 |
| 2026-06-07 00:00 |
09:23:13.95 |
+18:19:53.9 |
HIP 45992 |
13.44 |
| 2026-06-07 12:00 |
09:23:59.82 |
+18:16:20.5 |
HIP 46100 |
5.39 |
| 2026-06-08 00:00 |
09:24:45.80 |
+18:12:45.9 |
HIP 46137 |
5.50 |
| 2026-06-08 12:00 |
09:25:31.88 |
+18:09:10.2 |
HIP 46137 |
14.42 |
| 2026-06-09 00:00 |
09:26:18.05 |
+18:05:33.3 |
HIP 46349 |
10.47 |
| 2026-06-09 12:00 |
09:27:04.32 |
+18:01:55.3 |
HIP 46349 |
1.11 |
| 2026-06-10 00:00 |
09:27:50.68 |
+17:58:16.1 |
HIP 46349 |
12.72 |
| 2026-06-10 12:00 |
09:28:37.14 |
+17:54:35.7 |
HIP 46545 |
20.40 |
| 2026-06-11 00:00 |
09:29:23.69 |
+17:50:54.2 |
HIP 46545 |
12.00 |
| 2026-06-11 12:00 |
09:30:10.33 |
+17:47:11.6 |
HIP 46545 |
12.02 |
| 2026-06-12 00:00 |
09:30:57.06 |
+17:43:27.8 |
HIP 46545 |
20.50 |
| 2026-06-12 12:00 |
09:31:43.89 |
+17:39:42.8 |
HIP 46545 |
31.20 |
| 2026-06-13 00:00 |
09:32:30.80 |
+17:35:56.7 |
HIP 46896 |
31.01 |
| 2026-06-13 12:00 |
09:33:17.80 |
+17:32:09.5 |
HIP 46896 |
24.38 |
| 2026-06-14 00:00 |
09:34:04.89 |
+17:28:21.1 |
HIP 46896 |
22.52 |
| 2026-06-14 12:00 |
09:34:52.06 |
+17:24:31.6 |
HIP 47138 |
23.54 |
| 2026-06-15 00:00 |
09:35:39.32 |
+17:20:40.9 |
HIP 47138 |
11.87 |
| 2026-06-15 12:00 |
09:36:26.66 |
+17:16:49.2 |
HIP 47138 |
3.43 |
| 2026-06-16 00:00 |
09:37:14.08 |
+17:12:56.3 |
HIP 47138 |
12.98 |
| 2026-06-16 12:00 |
09:38:01.58 |
+17:09:02.3 |
HIP 47274 |
12.31 |
| 2026-06-17 00:00 |
09:38:49.16 |
+17:05:07.2 |
HIP 47262 |
19.32 |
| 2026-06-17 12:00 |
09:39:36.82 |
+17:01:11.0 |
HIP 47455 |
11.85 |
| 2026-06-18 00:00 |
09:40:24.56 |
+16:57:13.7 |
HIP 47455 |
0.90 |