P/2005 E1 (Tubbiolo)
메타데이터
| 항목 |
값 |
| Designation |
P/2005 E1 (Tubbiolo) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2005-03-18T05:50:12.549120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:46Z |
| Obs used |
61 |
| NEO |
- |
| M1 |
10.700 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2005-03-26.0000000 |
| e |
0.38473927 |
| q (au) |
4.445458 |
| a (au) |
7.225324 |
| i (deg) |
5.153002 |
| Ω (om, deg) |
4.415914 |
| ω (w, deg) |
170.792047 |
| M (ma, deg) |
0.393641 |
밝기
산란 + 전체 선형
$$
M_a = (12.900 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.900 |
| n |
2.000 |
| gf |
0.999 |
| gb |
-0.501 |
| 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) |
| 2026-02-03 00:00 |
17:31:59.26 |
-27:06:12.4 |
HIP 85681 |
19.96 |
| 2026-02-03 12:00 |
17:32:20.52 |
-27:06:37.9 |
HIP 85681 |
24.41 |
| 2026-02-04 00:00 |
17:32:41.67 |
-27:07:03.4 |
HIP 85909 |
22.83 |
| 2026-02-04 12:00 |
17:33:02.71 |
-27:07:28.6 |
HIP 85909 |
21.08 |
| 2026-02-05 00:00 |
17:33:23.66 |
-27:07:53.8 |
HIP 85909 |
20.29 |
| 2026-02-05 12:00 |
17:33:44.49 |
-27:08:18.7 |
HIP 85909 |
20.56 |
| 2026-02-06 00:00 |
17:34:05.22 |
-27:08:43.6 |
HIP 85909 |
21.83 |
| 2026-02-06 12:00 |
17:34:25.84 |
-27:09:08.3 |
HIP 86069 |
18.47 |
| 2026-02-07 00:00 |
17:34:46.36 |
-27:09:32.8 |
HIP 86069 |
15.15 |
| 2026-02-07 12:00 |
17:35:06.76 |
-27:09:57.3 |
HIP 86110 |
11.63 |
| 2026-02-08 00:00 |
17:35:27.06 |
-27:10:21.6 |
HIP 86110 |
8.37 |
| 2026-02-08 12:00 |
17:35:47.24 |
-27:10:45.7 |
HIP 86110 |
6.78 |
| 2026-02-09 00:00 |
17:36:07.31 |
-27:11:09.8 |
HIP 86110 |
7.90 |
| 2026-02-09 12:00 |
17:36:27.27 |
-27:11:33.7 |
HIP 86110 |
10.89 |
| 2026-02-10 00:00 |
17:36:47.11 |
-27:11:57.5 |
HIP 86110 |
14.62 |
| 2026-02-10 12:00 |
17:37:06.84 |
-27:12:21.1 |
HIP 86327 |
16.25 |
| 2026-02-11 00:00 |
17:37:26.46 |
-27:12:44.7 |
HIP 86327 |
11.90 |
| 2026-02-11 12:00 |
17:37:45.95 |
-27:13:08.1 |
HIP 86327 |
7.60 |
| 2026-02-12 00:00 |
17:38:05.33 |
-27:13:31.4 |
HIP 86327 |
3.47 |
| 2026-02-12 12:00 |
17:38:24.59 |
-27:13:54.6 |
HIP 86327 |
1.91 |
| 2026-02-13 00:00 |
17:38:43.73 |
-27:14:17.6 |
HIP 86327 |
5.66 |
| 2026-02-13 12:00 |
17:39:02.76 |
-27:14:40.6 |
HIP 86327 |
9.81 |
| 2026-02-14 00:00 |
17:39:21.66 |
-27:15:03.4 |
HIP 86327 |
14.00 |
| 2026-02-14 12:00 |
17:39:40.43 |
-27:15:26.1 |
HIP 86327 |
18.17 |
| 2026-02-15 00:00 |
17:39:59.09 |
-27:15:48.8 |
HIP 86327 |
22.32 |
| 2026-02-15 12:00 |
17:40:17.62 |
-27:16:11.3 |
HIP 86385 |
25.54 |
| 2026-02-16 00:00 |
17:40:36.02 |
-27:16:33.7 |
HIP 86385 |
28.54 |
| 2026-02-16 12:00 |
17:40:54.30 |
-27:16:56.0 |
HIP 86633 |
30.60 |
| 2026-02-17 00:00 |
17:41:12.45 |
-27:17:18.2 |
HIP 86730 |
28.64 |
| 2026-02-17 12:00 |
17:41:30.48 |
-27:17:40.4 |
HIP 86730 |
24.70 |
| 2026-02-18 00:00 |
17:41:48.37 |
-27:18:02.4 |
HIP 86730 |
20.82 |
| 2026-02-18 12:00 |
17:42:06.14 |
-27:18:24.3 |
HIP 86730 |
17.02 |
| 2026-02-19 00:00 |
17:42:23.78 |
-27:18:46.1 |
HIP 86730 |
13.35 |
| 2026-02-19 12:00 |
17:42:41.28 |
-27:19:07.9 |
HIP 86730 |
9.90 |
| 2026-02-20 00:00 |
17:42:58.65 |
-27:19:29.5 |
HIP 86730 |
6.98 |
| 2026-02-20 12:00 |
17:43:15.89 |
-27:19:51.1 |
HIP 86730 |
5.44 |
| 2026-02-21 00:00 |
17:43:32.99 |
-27:20:12.6 |
HIP 86730 |
6.31 |
| 2026-02-21 12:00 |
17:43:49.97 |
-27:20:34.0 |
HIP 86730 |
8.88 |
| 2026-02-22 00:00 |
17:44:06.80 |
-27:20:55.3 |
HIP 86730 |
12.08 |
| 2026-02-22 12:00 |
17:44:23.50 |
-27:21:16.6 |
HIP 86730 |
15.50 |
| 2026-02-23 00:00 |
17:44:40.06 |
-27:21:37.7 |
HIP 86730 |
19.01 |
| 2026-02-23 12:00 |
17:44:56.48 |
-27:21:58.8 |
HIP 86730 |
22.54 |
| 2026-02-24 00:00 |
17:45:12.77 |
-27:22:19.9 |
HIP 86730 |
26.09 |