메타데이터
| 항목 |
값 |
| Designation |
P/2010 T2 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2011-07-09T19:48:58.587840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:46Z |
| Obs used |
33 |
| NEO |
- |
| M1 |
7.300 |
| K1 |
17.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-11-12.0000000 |
| e |
0.32322085 |
| q (au) |
3.753596 |
| a (au) |
5.546265 |
| i (deg) |
8.010784 |
| Ω (om, deg) |
59.649297 |
| ω (w, deg) |
355.941770 |
| M (ma, deg) |
341.903321 |
밝기
산란 + 전체 선형
$$
M_a = (7.674 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.674 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.500 |
| k |
1.000 |
| 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 |
09:28:32.06 |
+22:44:01.3 |
HIP 46403 |
18.40 |
| 2026-06-01 12:00 |
09:28:49.11 |
+22:42:07.0 |
HIP 46403 |
22.30 |
| 2026-06-02 00:00 |
09:29:06.28 |
+22:40:12.3 |
HIP 46403 |
26.37 |
| 2026-06-02 12:00 |
09:29:23.56 |
+22:38:17.1 |
HIP 46403 |
30.55 |
| 2026-06-03 00:00 |
09:29:40.94 |
+22:36:21.6 |
HIP 46403 |
34.82 |
| 2026-06-03 12:00 |
09:29:58.43 |
+22:34:25.7 |
HIP 46750 |
33.81 |
| 2026-06-04 00:00 |
09:30:16.02 |
+22:32:29.3 |
HIP 46750 |
32.55 |
| 2026-06-04 12:00 |
09:30:33.72 |
+22:30:32.6 |
HIP 46750 |
31.87 |
| 2026-06-05 00:00 |
09:30:51.52 |
+22:28:35.5 |
HIP 46750 |
31.81 |
| 2026-06-05 12:00 |
09:31:09.43 |
+22:26:38.0 |
HIP 46750 |
32.40 |
| 2026-06-06 00:00 |
09:31:27.43 |
+22:24:40.1 |
HIP 46882 |
28.65 |
| 2026-06-06 12:00 |
09:31:45.54 |
+22:22:41.8 |
HIP 46882 |
24.04 |
| 2026-06-07 00:00 |
09:32:03.75 |
+22:20:43.1 |
HIP 46882 |
19.41 |
| 2026-06-07 12:00 |
09:32:22.06 |
+22:18:44.0 |
HIP 46882 |
14.78 |
| 2026-06-08 00:00 |
09:32:40.47 |
+22:16:44.6 |
HIP 46882 |
10.16 |
| 2026-06-08 12:00 |
09:32:58.98 |
+22:14:44.8 |
HIP 46882 |
5.65 |
| 2026-06-09 00:00 |
09:33:17.58 |
+22:12:44.6 |
HIP 46882 |
2.32 |
| 2026-06-09 12:00 |
09:33:36.28 |
+22:10:44.1 |
HIP 46882 |
4.91 |
| 2026-06-10 00:00 |
09:33:55.07 |
+22:08:43.1 |
HIP 46882 |
9.43 |
| 2026-06-10 12:00 |
09:34:13.96 |
+22:06:41.9 |
HIP 46882 |
14.15 |
| 2026-06-11 00:00 |
09:34:32.95 |
+22:04:40.2 |
HIP 46882 |
18.95 |
| 2026-06-11 12:00 |
09:34:52.02 |
+22:02:38.2 |
HIP 46882 |
23.79 |
| 2026-06-12 00:00 |
09:35:11.19 |
+22:00:35.8 |
HIP 47179 |
27.34 |
| 2026-06-12 12:00 |
09:35:30.45 |
+21:58:33.1 |
HIP 47197 |
22.90 |
| 2026-06-13 00:00 |
09:35:49.80 |
+21:56:30.0 |
HIP 47197 |
18.31 |
| 2026-06-13 12:00 |
09:36:09.24 |
+21:54:26.5 |
HIP 47197 |
13.95 |
| 2026-06-14 00:00 |
09:36:28.77 |
+21:52:22.8 |
HIP 47197 |
10.12 |
| 2026-06-14 12:00 |
09:36:48.38 |
+21:50:18.6 |
HIP 47197 |
7.72 |
| 2026-06-15 00:00 |
09:37:08.08 |
+21:48:14.2 |
HIP 47197 |
8.18 |
| 2026-06-15 12:00 |
09:37:27.87 |
+21:46:09.4 |
HIP 47197 |
11.17 |
| 2026-06-16 00:00 |
09:37:47.74 |
+21:44:04.2 |
HIP 47197 |
15.30 |
| 2026-06-16 12:00 |
09:38:07.70 |
+21:41:58.7 |
HIP 47329 |
12.38 |
| 2026-06-17 00:00 |
09:38:27.74 |
+21:39:52.9 |
HIP 47329 |
8.14 |
| 2026-06-17 12:00 |
09:38:47.86 |
+21:37:46.8 |
HIP 47329 |
5.62 |
| 2026-06-18 00:00 |
09:39:08.06 |
+21:35:40.4 |
HIP 47329 |
7.05 |
| 2026-06-18 12:00 |
09:39:28.35 |
+21:33:33.6 |
HIP 47329 |
11.01 |
| 2026-06-19 00:00 |
09:39:48.71 |
+21:31:26.5 |
HIP 47329 |
15.71 |
| 2026-06-19 12:00 |
09:40:09.15 |
+21:29:19.2 |
HIP 47329 |
20.66 |
| 2026-06-20 00:00 |
09:40:29.66 |
+21:27:11.5 |
HIP 47578 |
23.33 |
| 2026-06-20 12:00 |
09:40:50.26 |
+21:25:03.5 |
HIP 47578 |
19.75 |
| 2026-06-21 00:00 |
09:41:10.93 |
+21:22:55.2 |
HIP 47578 |
17.04 |
| 2026-06-21 12:00 |
09:41:31.67 |
+21:20:46.6 |
HIP 47578 |
15.68 |
| 2026-06-22 00:00 |
09:41:52.48 |
+21:18:37.7 |
HIP 47578 |
16.03 |