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) |
| 2026-03-26 00:00 |
09:13:38.54 |
+25:30:12.1 |
HIP 45260 |
4.70 |
| 2026-03-26 12:00 |
09:13:32.65 |
+25:29:51.9 |
HIP 45260 |
3.75 |
| 2026-03-27 00:00 |
09:13:26.98 |
+25:29:30.7 |
HIP 45260 |
3.12 |
| 2026-03-27 12:00 |
09:13:21.50 |
+25:29:08.4 |
HIP 45260 |
2.95 |
| 2026-03-28 00:00 |
09:13:16.23 |
+25:28:45.0 |
HIP 45260 |
3.27 |
| 2026-03-28 12:00 |
09:13:11.17 |
+25:28:20.6 |
HIP 45260 |
3.93 |
| 2026-03-29 00:00 |
09:13:06.30 |
+25:27:55.1 |
HIP 45260 |
4.76 |
| 2026-03-29 12:00 |
09:13:01.65 |
+25:27:28.6 |
HIP 45260 |
5.66 |
| 2026-03-30 00:00 |
09:12:57.20 |
+25:27:01.1 |
HIP 45260 |
6.59 |
| 2026-03-30 12:00 |
09:12:52.95 |
+25:26:32.5 |
HIP 45260 |
7.53 |
| 2026-03-31 00:00 |
09:12:48.91 |
+25:26:02.9 |
HIP 45260 |
8.44 |
| 2026-03-31 12:00 |
09:12:45.08 |
+25:25:32.3 |
HIP 45260 |
9.34 |
| 2026-04-01 00:00 |
09:12:41.45 |
+25:25:00.7 |
HIP 45260 |
10.22 |
| 2026-04-01 12:00 |
09:12:38.02 |
+25:24:28.1 |
HIP 45260 |
11.07 |
| 2026-04-02 00:00 |
09:12:34.80 |
+25:23:54.5 |
HIP 45260 |
11.89 |
| 2026-04-02 12:00 |
09:12:31.79 |
+25:23:19.9 |
HIP 45260 |
12.68 |
| 2026-04-03 00:00 |
09:12:28.98 |
+25:22:44.3 |
HIP 45260 |
13.45 |
| 2026-04-03 12:00 |
09:12:26.38 |
+25:22:07.8 |
HIP 45260 |
14.18 |
| 2026-04-04 00:00 |
09:12:23.98 |
+25:21:30.2 |
HIP 45105 |
14.51 |
| 2026-04-04 12:00 |
09:12:21.79 |
+25:20:51.8 |
HIP 45105 |
14.21 |
| 2026-04-05 00:00 |
09:12:19.80 |
+25:20:12.3 |
HIP 45105 |
14.01 |
| 2026-04-05 12:00 |
09:12:18.02 |
+25:19:31.9 |
HIP 45105 |
13.89 |
| 2026-04-06 00:00 |
09:12:16.44 |
+25:18:50.6 |
HIP 45105 |
13.87 |
| 2026-04-06 12:00 |
09:12:15.07 |
+25:18:08.3 |
HIP 45105 |
13.94 |
| 2026-04-07 00:00 |
09:12:13.90 |
+25:17:25.1 |
HIP 45105 |
14.10 |
| 2026-04-07 12:00 |
09:12:12.94 |
+25:16:40.9 |
HIP 45105 |
14.34 |
| 2026-04-08 00:00 |
09:12:12.18 |
+25:15:55.9 |
HIP 45105 |
14.67 |
| 2026-04-08 12:00 |
09:12:11.63 |
+25:15:09.9 |
HIP 45105 |
15.07 |
| 2026-04-09 00:00 |
09:12:11.28 |
+25:14:23.0 |
HIP 45105 |
15.54 |
| 2026-04-09 12:00 |
09:12:11.13 |
+25:13:35.2 |
HIP 45105 |
16.09 |
| 2026-04-10 00:00 |
09:12:11.19 |
+25:12:46.5 |
HIP 45105 |
16.69 |
| 2026-04-10 12:00 |
09:12:11.45 |
+25:11:56.9 |
HIP 45105 |
17.35 |
| 2026-04-11 00:00 |
09:12:11.91 |
+25:11:06.4 |
HIP 45105 |
18.07 |
| 2026-04-11 12:00 |
09:12:12.58 |
+25:10:15.1 |
HIP 45105 |
18.84 |
| 2026-04-12 00:00 |
09:12:13.44 |
+25:09:22.8 |
HIP 45105 |
19.65 |
| 2026-04-12 12:00 |
09:12:14.52 |
+25:08:29.7 |
HIP 45105 |
20.51 |
| 2026-04-13 00:00 |
09:12:15.79 |
+25:07:35.7 |
HIP 45278 |
20.95 |
| 2026-04-13 12:00 |
09:12:17.26 |
+25:06:40.9 |
HIP 45278 |
21.00 |
| 2026-04-14 00:00 |
09:12:18.94 |
+25:05:45.2 |
HIP 45278 |
21.06 |
| 2026-04-14 12:00 |
09:12:20.81 |
+25:04:48.6 |
HIP 45278 |
21.13 |
| 2026-04-15 00:00 |
09:12:22.89 |
+25:03:51.3 |
HIP 45278 |
21.22 |
| 2026-04-15 12:00 |
09:12:25.16 |
+25:02:53.0 |
HIP 45278 |
21.34 |
| 2026-04-16 00:00 |
09:12:27.64 |
+25:01:54.0 |
HIP 45278 |
21.48 |