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) |
| 2026-03-26 00:00 |
17:56:49.70 |
-27:42:03.2 |
HIP 87836 |
21.94 |
| 2026-03-26 12:00 |
17:56:56.21 |
-27:42:22.3 |
HIP 87836 |
21.78 |
| 2026-03-27 00:00 |
17:57:02.54 |
-27:42:41.4 |
HIP 87836 |
21.72 |
| 2026-03-27 12:00 |
17:57:08.69 |
-27:43:00.5 |
HIP 87836 |
21.74 |
| 2026-03-28 00:00 |
17:57:14.65 |
-27:43:19.6 |
HIP 87836 |
21.84 |
| 2026-03-28 12:00 |
17:57:20.44 |
-27:43:38.6 |
HIP 87836 |
22.00 |
| 2026-03-29 00:00 |
17:57:26.05 |
-27:43:57.7 |
HIP 88026 |
21.23 |
| 2026-03-29 12:00 |
17:57:31.49 |
-27:44:16.7 |
HIP 88026 |
20.40 |
| 2026-03-30 00:00 |
17:57:36.73 |
-27:44:35.8 |
HIP 88026 |
19.65 |
| 2026-03-30 12:00 |
17:57:41.80 |
-27:44:54.8 |
HIP 88026 |
18.97 |
| 2026-03-31 00:00 |
17:57:46.69 |
-27:45:13.8 |
HIP 88026 |
18.37 |
| 2026-03-31 12:00 |
17:57:51.40 |
-27:45:32.8 |
HIP 88026 |
17.85 |
| 2026-04-01 00:00 |
17:57:55.93 |
-27:45:51.8 |
HIP 88026 |
17.40 |
| 2026-04-01 12:00 |
17:58:00.27 |
-27:46:10.7 |
HIP 88026 |
17.04 |
| 2026-04-02 00:00 |
17:58:04.43 |
-27:46:29.7 |
HIP 88026 |
16.75 |
| 2026-04-02 12:00 |
17:58:08.41 |
-27:46:48.6 |
HIP 88026 |
16.54 |
| 2026-04-03 00:00 |
17:58:12.21 |
-27:47:07.5 |
HIP 88026 |
16.39 |
| 2026-04-03 12:00 |
17:58:15.82 |
-27:47:26.4 |
HIP 88026 |
16.31 |
| 2026-04-04 00:00 |
17:58:19.25 |
-27:47:45.3 |
HIP 88026 |
16.29 |
| 2026-04-04 12:00 |
17:58:22.50 |
-27:48:04.2 |
HIP 88026 |
16.33 |
| 2026-04-05 00:00 |
17:58:25.56 |
-27:48:23.0 |
HIP 88026 |
16.41 |
| 2026-04-05 12:00 |
17:58:28.44 |
-27:48:41.8 |
HIP 88026 |
16.54 |
| 2026-04-06 00:00 |
17:58:31.14 |
-27:49:00.6 |
HIP 88026 |
16.70 |
| 2026-04-06 12:00 |
17:58:33.65 |
-27:49:19.4 |
HIP 88026 |
16.90 |
| 2026-04-07 00:00 |
17:58:35.97 |
-27:49:38.2 |
HIP 88026 |
17.12 |
| 2026-04-07 12:00 |
17:58:38.11 |
-27:49:56.9 |
HIP 88026 |
17.37 |
| 2026-04-08 00:00 |
17:58:40.07 |
-27:50:15.6 |
HIP 88026 |
17.64 |
| 2026-04-08 12:00 |
17:58:41.84 |
-27:50:34.2 |
HIP 88026 |
17.91 |
| 2026-04-09 00:00 |
17:58:43.43 |
-27:50:52.9 |
HIP 88026 |
18.20 |
| 2026-04-09 12:00 |
17:58:44.83 |
-27:51:11.5 |
HIP 88026 |
18.50 |
| 2026-04-10 00:00 |
17:58:46.04 |
-27:51:30.0 |
HIP 88026 |
18.80 |
| 2026-04-10 12:00 |
17:58:47.07 |
-27:51:48.6 |
HIP 88026 |
19.11 |
| 2026-04-11 00:00 |
17:58:47.91 |
-27:52:07.1 |
HIP 88026 |
19.42 |
| 2026-04-11 12:00 |
17:58:48.56 |
-27:52:25.5 |
HIP 88026 |
19.73 |
| 2026-04-12 00:00 |
17:58:49.03 |
-27:52:43.9 |
HIP 88026 |
20.04 |
| 2026-04-12 12:00 |
17:58:49.32 |
-27:53:02.3 |
HIP 88026 |
20.35 |
| 2026-04-13 00:00 |
17:58:49.41 |
-27:53:20.6 |
HIP 88026 |
20.65 |
| 2026-04-13 12:00 |
17:58:49.32 |
-27:53:38.9 |
HIP 88026 |
20.96 |
| 2026-04-14 00:00 |
17:58:49.05 |
-27:53:57.1 |
HIP 88026 |
21.26 |
| 2026-04-14 12:00 |
17:58:48.59 |
-27:54:15.3 |
HIP 88026 |
21.56 |
| 2026-04-15 00:00 |
17:58:47.94 |
-27:54:33.5 |
HIP 88026 |
21.86 |
| 2026-04-15 12:00 |
17:58:47.10 |
-27:54:51.5 |
HIP 88026 |
22.16 |
| 2026-04-16 00:00 |
17:58:46.08 |
-27:55:09.6 |
HIP 88026 |
22.46 |