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
$$
M_a = (12.903 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.903 |
| n |
2.000 |
| gf |
0.990 |
| gb |
-1.000 |
| k |
1.000 |
| δ90 |
9.758 |
| 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) |
| 2026-07-29 00:00 |
17:20:52.52 |
-27:38:26.8 |
HIP 84903 |
13.68 |
| 2026-07-29 12:00 |
17:20:45.57 |
-27:38:00.6 |
HIP 84903 |
13.67 |
| 2026-07-30 00:00 |
17:20:38.77 |
-27:37:34.4 |
HIP 84903 |
13.84 |
| 2026-07-30 12:00 |
17:20:32.13 |
-27:37:08.3 |
HIP 84903 |
14.16 |
| 2026-07-31 00:00 |
17:20:25.65 |
-27:36:42.2 |
HIP 84903 |
14.62 |
| 2026-07-31 12:00 |
17:20:19.32 |
-27:36:16.1 |
HIP 84903 |
15.18 |
| 2026-08-01 00:00 |
17:20:13.15 |
-27:35:50.1 |
HIP 84903 |
15.84 |
| 2026-08-01 12:00 |
17:20:07.14 |
-27:35:24.1 |
HIP 84903 |
16.57 |
| 2026-08-02 00:00 |
17:20:01.29 |
-27:34:58.1 |
HIP 84903 |
17.36 |
| 2026-08-02 12:00 |
17:19:55.60 |
-27:34:32.2 |
HIP 84903 |
18.18 |
| 2026-08-03 00:00 |
17:19:50.07 |
-27:34:06.4 |
HIP 84903 |
19.03 |
| 2026-08-03 12:00 |
17:19:44.70 |
-27:33:40.6 |
HIP 84903 |
19.90 |
| 2026-08-04 00:00 |
17:19:39.50 |
-27:33:14.9 |
HIP 84903 |
20.77 |
| 2026-08-04 12:00 |
17:19:34.45 |
-27:32:49.2 |
HIP 84888 |
21.55 |
| 2026-08-05 00:00 |
17:19:29.57 |
-27:32:23.6 |
HIP 84888 |
22.23 |
| 2026-08-05 12:00 |
17:19:24.85 |
-27:31:58.1 |
HIP 84888 |
22.91 |
| 2026-08-06 00:00 |
17:19:20.30 |
-27:31:32.7 |
HIP 84888 |
23.60 |
| 2026-08-06 12:00 |
17:19:15.91 |
-27:31:07.3 |
HIP 84888 |
24.28 |
| 2026-08-07 00:00 |
17:19:11.69 |
-27:30:42.1 |
HIP 84888 |
24.96 |
| 2026-08-07 12:00 |
17:19:07.63 |
-27:30:16.9 |
HIP 84888 |
25.63 |
| 2026-08-08 00:00 |
17:19:03.73 |
-27:29:51.8 |
HIP 84888 |
26.28 |
| 2026-08-08 12:00 |
17:19:00.01 |
-27:29:26.8 |
HIP 84588 |
26.33 |
| 2026-08-09 00:00 |
17:18:56.45 |
-27:29:01.9 |
HIP 84588 |
25.99 |
| 2026-08-09 12:00 |
17:18:53.06 |
-27:28:37.1 |
HIP 84588 |
25.71 |
| 2026-08-10 00:00 |
17:18:49.83 |
-27:28:12.4 |
HIP 84588 |
25.47 |
| 2026-08-10 12:00 |
17:18:46.78 |
-27:27:47.8 |
HIP 84588 |
25.29 |
| 2026-08-11 00:00 |
17:18:43.89 |
-27:27:23.3 |
HIP 84588 |
25.15 |
| 2026-08-11 12:00 |
17:18:41.17 |
-27:26:58.9 |
HIP 84588 |
25.06 |
| 2026-08-12 00:00 |
17:18:38.62 |
-27:26:34.7 |
HIP 84588 |
25.01 |
| 2026-08-12 12:00 |
17:18:36.24 |
-27:26:10.5 |
HIP 84588 |
25.00 |
| 2026-08-13 00:00 |
17:18:34.03 |
-27:25:46.5 |
HIP 84588 |
25.02 |
| 2026-08-13 12:00 |
17:18:32.00 |
-27:25:22.6 |
HIP 84588 |
25.09 |
| 2026-08-14 00:00 |
17:18:30.13 |
-27:24:58.9 |
HIP 84588 |
25.19 |
| 2026-08-14 12:00 |
17:18:28.43 |
-27:24:35.2 |
HIP 84588 |
25.31 |
| 2026-08-15 00:00 |
17:18:26.90 |
-27:24:11.7 |
HIP 84588 |
25.47 |
| 2026-08-15 12:00 |
17:18:25.54 |
-27:23:48.3 |
HIP 84588 |
25.65 |
| 2026-08-16 00:00 |
17:18:24.35 |
-27:23:25.1 |
HIP 84588 |
25.86 |
| 2026-08-16 12:00 |
17:18:23.34 |
-27:23:02.0 |
HIP 84588 |
26.09 |
| 2026-08-17 00:00 |
17:18:22.49 |
-27:22:39.0 |
HIP 84588 |
26.34 |
| 2026-08-17 12:00 |
17:18:21.82 |
-27:22:16.2 |
HIP 84588 |
26.61 |
| 2026-08-18 00:00 |
17:18:21.31 |
-27:21:53.5 |
HIP 84588 |
26.90 |
| 2026-08-18 12:00 |
17:18:20.98 |
-27:21:31.0 |
HIP 84588 |
27.20 |
| 2026-08-19 00:00 |
17:18:20.81 |
-27:21:08.6 |
HIP 84588 |
27.52 |