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
$$
M_a = (7.675 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.675 |
| n |
6.000 |
| gf |
0.972 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
9.959 |
| 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 |
09:18:51.14 |
+23:54:01.1 |
HIP 45574 |
25.74 |
| 2026-05-12 12:00 |
09:19:02.97 |
+23:52:26.0 |
HIP 45574 |
27.19 |
| 2026-05-13 00:00 |
09:19:14.95 |
+23:50:50.3 |
HIP 45574 |
28.93 |
| 2026-05-13 12:00 |
09:19:27.08 |
+23:49:14.1 |
HIP 45574 |
30.94 |
| 2026-05-14 00:00 |
09:19:39.36 |
+23:47:37.3 |
HIP 45574 |
33.16 |
| 2026-05-14 12:00 |
09:19:51.79 |
+23:46:00.0 |
HIP 45574 |
35.58 |
| 2026-05-15 00:00 |
09:20:04.37 |
+23:44:22.2 |
HIP 45574 |
38.16 |
| 2026-05-15 12:00 |
09:20:17.09 |
+23:42:43.8 |
HIP 45574 |
40.87 |
| 2026-05-16 00:00 |
09:20:29.96 |
+23:41:04.8 |
HIP 45574 |
43.71 |
| 2026-05-16 12:00 |
09:20:42.98 |
+23:39:25.4 |
HIP 45574 |
46.65 |
| 2026-05-17 00:00 |
09:20:56.14 |
+23:37:45.4 |
HIP 45884 |
44.69 |
| 2026-05-17 12:00 |
09:21:09.44 |
+23:36:04.9 |
HIP 45884 |
42.73 |
| 2026-05-18 00:00 |
09:21:22.88 |
+23:34:23.8 |
HIP 46119 |
40.27 |
| 2026-05-18 12:00 |
09:21:36.46 |
+23:32:42.3 |
HIP 46119 |
37.22 |
| 2026-05-19 00:00 |
09:21:50.18 |
+23:31:00.2 |
HIP 46119 |
34.23 |
| 2026-05-19 12:00 |
09:22:04.04 |
+23:29:17.7 |
HIP 46119 |
31.33 |
| 2026-05-20 00:00 |
09:22:18.03 |
+23:27:34.6 |
HIP 46119 |
28.56 |
| 2026-05-20 12:00 |
09:22:32.17 |
+23:25:51.0 |
HIP 46119 |
25.98 |
| 2026-05-21 00:00 |
09:22:46.43 |
+23:24:07.0 |
HIP 46119 |
23.67 |
| 2026-05-21 12:00 |
09:23:00.83 |
+23:22:22.4 |
HIP 46119 |
21.72 |
| 2026-05-22 00:00 |
09:23:15.36 |
+23:20:37.4 |
HIP 46119 |
20.25 |
| 2026-05-22 12:00 |
09:23:30.03 |
+23:18:51.9 |
HIP 46119 |
19.41 |
| 2026-05-23 00:00 |
09:23:44.82 |
+23:17:05.9 |
HIP 46119 |
19.28 |
| 2026-05-23 12:00 |
09:23:59.74 |
+23:15:19.5 |
HIP 46119 |
19.91 |
| 2026-05-24 00:00 |
09:24:14.79 |
+23:13:32.5 |
HIP 46119 |
21.23 |
| 2026-05-24 12:00 |
09:24:29.97 |
+23:11:45.2 |
HIP 46119 |
23.15 |
| 2026-05-25 00:00 |
09:24:45.27 |
+23:09:57.3 |
HIP 46187 |
22.30 |
| 2026-05-25 12:00 |
09:25:00.69 |
+23:08:09.0 |
HIP 46187 |
20.19 |
| 2026-05-26 00:00 |
09:25:16.24 |
+23:06:20.3 |
HIP 46187 |
18.70 |
| 2026-05-26 12:00 |
09:25:31.91 |
+23:04:31.1 |
HIP 46187 |
18.00 |
| 2026-05-27 00:00 |
09:25:47.70 |
+23:02:41.4 |
HIP 46187 |
18.20 |
| 2026-05-27 12:00 |
09:26:03.62 |
+23:00:51.4 |
HIP 46187 |
19.30 |
| 2026-05-28 00:00 |
09:26:19.65 |
+22:59:00.8 |
HIP 46403 |
20.07 |
| 2026-05-28 12:00 |
09:26:35.80 |
+22:57:09.9 |
HIP 46403 |
16.48 |
| 2026-05-29 00:00 |
09:26:52.06 |
+22:55:18.5 |
HIP 46403 |
13.19 |
| 2026-05-29 12:00 |
09:27:08.44 |
+22:53:26.7 |
HIP 46403 |
10.54 |
| 2026-05-30 00:00 |
09:27:24.94 |
+22:51:34.5 |
HIP 46403 |
9.13 |
| 2026-05-30 12:00 |
09:27:41.55 |
+22:49:41.8 |
HIP 46403 |
9.57 |
| 2026-05-31 00:00 |
09:27:58.28 |
+22:47:48.7 |
HIP 46403 |
11.67 |
| 2026-05-31 12:00 |
09:28:15.11 |
+22:45:55.2 |
HIP 46403 |
14.78 |
| 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 |