메타데이터
| 항목 |
값 |
| Designation |
P/2026 C2 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2026-07-21T20:28:16.901760Z |
| Orbit solution date (soln_date, UTC) |
2026-03-31T09:42:34Z |
| Obs used |
167 |
| NEO |
- |
| M1 |
17.000 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2026-02-13T09:53:19.392000Z |
| Discovery magnitude (MPC) |
20.05 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2026-02-28.0000000 |
| e |
0.31433845 |
| q (au) |
2.435886 |
| a (au) |
3.552607 |
| i (deg) |
7.400867 |
| Ω (om, deg) |
190.561143 |
| ω (w, deg) |
11.005164 |
| M (ma, deg) |
338.826035 |
밝기
산란 + 전체 선형
$$
M_a = (20.000 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
20.000 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.771 |
| k |
0.845 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
10:53:26.73 |
+06:26:55.2 |
HIP 53362 |
41.03 |
| 2026-06-01 12:00 |
10:53:58.69 |
+06:25:06.1 |
HIP 53449 |
33.56 |
| 2026-06-02 00:00 |
10:54:30.87 |
+06:23:15.2 |
HIP 53449 |
25.58 |
| 2026-06-02 12:00 |
10:55:03.27 |
+06:21:22.2 |
HIP 53449 |
17.73 |
| 2026-06-03 00:00 |
10:55:35.89 |
+06:19:27.4 |
HIP 53449 |
10.48 |
| 2026-06-03 12:00 |
10:56:08.72 |
+06:17:30.7 |
HIP 53449 |
6.64 |
| 2026-06-04 00:00 |
10:56:41.76 |
+06:15:32.1 |
HIP 53531 |
10.50 |
| 2026-06-04 12:00 |
10:57:15.02 |
+06:13:31.6 |
HIP 53531 |
10.41 |
| 2026-06-05 00:00 |
10:57:48.48 |
+06:11:29.2 |
HIP 53531 |
15.90 |
| 2026-06-05 12:00 |
10:58:22.16 |
+06:09:25.0 |
HIP 53531 |
23.38 |
| 2026-06-06 00:00 |
10:58:56.04 |
+06:07:18.9 |
HIP 53824 |
27.07 |
| 2026-06-06 12:00 |
10:59:30.12 |
+06:05:10.9 |
HIP 53824 |
18.59 |
| 2026-06-07 00:00 |
11:00:04.41 |
+06:03:01.2 |
HIP 53824 |
10.51 |
| 2026-06-07 12:00 |
11:00:38.89 |
+06:00:49.6 |
HIP 53845 |
4.63 |
| 2026-06-08 00:00 |
11:01:13.58 |
+05:58:36.2 |
HIP 53845 |
4.75 |
| 2026-06-08 12:00 |
11:01:48.46 |
+05:56:21.0 |
HIP 53845 |
13.56 |
| 2026-06-09 00:00 |
11:02:23.54 |
+05:54:04.1 |
HIP 53845 |
22.54 |
| 2026-06-09 12:00 |
11:02:58.82 |
+05:51:45.3 |
HIP 54093 |
16.93 |
| 2026-06-10 00:00 |
11:03:34.29 |
+05:49:24.8 |
HIP 54093 |
8.32 |
| 2026-06-10 12:00 |
11:04:09.95 |
+05:47:02.5 |
HIP 54109 |
2.38 |
| 2026-06-11 00:00 |
11:04:45.80 |
+05:44:38.4 |
HIP 54109 |
7.32 |
| 2026-06-11 12:00 |
11:05:21.84 |
+05:42:12.7 |
HIP 54109 |
16.55 |
| 2026-06-12 00:00 |
11:05:58.07 |
+05:39:45.1 |
HIP 54313 |
17.50 |
| 2026-06-12 12:00 |
11:06:34.48 |
+05:37:15.9 |
HIP 54313 |
11.56 |
| 2026-06-13 00:00 |
11:07:11.08 |
+05:34:45.0 |
HIP 54313 |
11.74 |
| 2026-06-13 12:00 |
11:07:47.86 |
+05:32:12.3 |
HIP 54313 |
17.94 |
| 2026-06-14 00:00 |
11:08:24.82 |
+05:29:38.0 |
HIP 54313 |
26.24 |
| 2026-06-14 12:00 |
11:09:01.96 |
+05:27:02.0 |
HIP 54563 |
22.83 |
| 2026-06-15 00:00 |
11:09:39.28 |
+05:24:24.3 |
HIP 54563 |
21.78 |
| 2026-06-15 12:00 |
11:10:16.78 |
+05:21:44.9 |
HIP 54660 |
22.48 |
| 2026-06-16 00:00 |
11:10:54.45 |
+05:19:04.0 |
HIP 54660 |
14.76 |
| 2026-06-16 12:00 |
11:11:32.29 |
+05:16:21.4 |
HIP 54660 |
10.97 |
| 2026-06-17 00:00 |
11:12:10.31 |
+05:13:37.1 |
HIP 54788 |
12.19 |
| 2026-06-17 12:00 |
11:12:48.49 |
+05:10:51.3 |
HIP 54788 |
4.19 |
| 2026-06-18 00:00 |
11:13:26.84 |
+05:08:03.9 |
HIP 54788 |
9.14 |
| 2026-06-18 12:00 |
11:14:05.36 |
+05:05:14.9 |
HIP 54900 |
12.13 |
| 2026-06-19 00:00 |
11:14:44.05 |
+05:02:24.3 |
HIP 54985 |
12.70 |
| 2026-06-19 12:00 |
11:15:22.90 |
+04:59:32.2 |
HIP 54985 |
2.93 |
| 2026-06-20 00:00 |
11:16:01.90 |
+04:56:38.6 |
HIP 54985 |
7.75 |
| 2026-06-20 12:00 |
11:16:41.07 |
+04:53:43.4 |
HIP 54985 |
17.86 |
| 2026-06-21 00:00 |
11:17:20.40 |
+04:50:46.7 |
HIP 55211 |
25.28 |
| 2026-06-21 12:00 |
11:17:59.88 |
+04:47:48.5 |
HIP 55211 |
17.98 |
| 2026-06-22 00:00 |
11:18:39.52 |
+04:44:48.9 |
HIP 55211 |
14.79 |