P/2008 O3 (Boattini)
메타데이터
| 항목 |
값 |
| Designation |
P/2008 O3 (Boattini) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2008-06-03T01:59:52.333440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:21Z |
| Obs used |
54 |
| NEO |
- |
| M1 |
5.500 |
| K1 |
28.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2008-08-28.0000000 |
| e |
0.69495599 |
| q (au) |
2.497269 |
| a (au) |
8.186587 |
| i (deg) |
32.269872 |
| Ω (om, deg) |
47.572666 |
| ω (w, deg) |
340.983593 |
| M (ma, deg) |
3.615161 |
밝기
산란 + 전체 선형
$$
M_a = (12.607 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.607 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.664 |
| k |
0.800 |
| 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 |
15:40:59.95 |
-23:24:56.3 |
HIP 76874 |
14.96 |
| 2026-02-03 12:00 |
15:41:04.19 |
-23:25:35.1 |
HIP 76874 |
14.57 |
| 2026-02-04 00:00 |
15:41:08.34 |
-23:26:13.7 |
HIP 76874 |
14.29 |
| 2026-02-04 12:00 |
15:41:12.41 |
-23:26:52.0 |
HIP 76874 |
14.10 |
| 2026-02-05 00:00 |
15:41:16.39 |
-23:27:30.1 |
HIP 76874 |
14.01 |
| 2026-02-05 12:00 |
15:41:20.28 |
-23:28:08.0 |
HIP 76874 |
14.02 |
| 2026-02-06 00:00 |
15:41:24.09 |
-23:28:45.6 |
HIP 76874 |
14.12 |
| 2026-02-06 12:00 |
15:41:27.80 |
-23:29:23.0 |
HIP 76874 |
14.30 |
| 2026-02-07 00:00 |
15:41:31.43 |
-23:30:00.2 |
HIP 76874 |
14.57 |
| 2026-02-07 12:00 |
15:41:34.97 |
-23:30:37.2 |
HIP 76874 |
14.90 |
| 2026-02-08 00:00 |
15:41:38.42 |
-23:31:13.9 |
HIP 76874 |
15.29 |
| 2026-02-08 12:00 |
15:41:41.79 |
-23:31:50.4 |
HIP 76874 |
15.74 |
| 2026-02-09 00:00 |
15:41:45.06 |
-23:32:26.7 |
HIP 76874 |
16.23 |
| 2026-02-09 12:00 |
15:41:48.24 |
-23:33:02.7 |
HIP 76874 |
16.76 |
| 2026-02-10 00:00 |
15:41:51.33 |
-23:33:38.5 |
HIP 76874 |
17.33 |
| 2026-02-10 12:00 |
15:41:54.33 |
-23:34:14.1 |
HIP 76874 |
17.92 |
| 2026-02-11 00:00 |
15:41:57.24 |
-23:34:49.4 |
HIP 76874 |
18.53 |
| 2026-02-11 12:00 |
15:42:00.06 |
-23:35:24.5 |
HIP 76874 |
19.15 |
| 2026-02-12 00:00 |
15:42:02.78 |
-23:35:59.3 |
HIP 76874 |
19.79 |
| 2026-02-12 12:00 |
15:42:05.42 |
-23:36:33.9 |
HIP 76874 |
20.44 |
| 2026-02-13 00:00 |
15:42:07.96 |
-23:37:08.2 |
HIP 76874 |
21.09 |
| 2026-02-13 12:00 |
15:42:10.40 |
-23:37:42.3 |
HIP 76874 |
21.75 |
| 2026-02-14 00:00 |
15:42:12.76 |
-23:38:16.2 |
HIP 76874 |
22.40 |
| 2026-02-14 12:00 |
15:42:15.02 |
-23:38:49.8 |
HIP 76874 |
23.06 |
| 2026-02-15 00:00 |
15:42:17.18 |
-23:39:23.1 |
HIP 76874 |
23.71 |
| 2026-02-15 12:00 |
15:42:19.25 |
-23:39:56.2 |
HIP 76874 |
24.36 |
| 2026-02-16 00:00 |
15:42:21.23 |
-23:40:29.0 |
HIP 76874 |
25.00 |
| 2026-02-16 12:00 |
15:42:23.11 |
-23:41:01.6 |
HIP 76874 |
25.64 |
| 2026-02-17 00:00 |
15:42:24.89 |
-23:41:34.0 |
HIP 76874 |
26.27 |
| 2026-02-17 12:00 |
15:42:26.58 |
-23:42:06.0 |
HIP 76874 |
26.89 |
| 2026-02-18 00:00 |
15:42:28.17 |
-23:42:37.8 |
HIP 76874 |
27.50 |
| 2026-02-18 12:00 |
15:42:29.67 |
-23:43:09.4 |
HIP 76874 |
28.11 |
| 2026-02-19 00:00 |
15:42:31.07 |
-23:43:40.7 |
HIP 76874 |
28.70 |
| 2026-02-19 12:00 |
15:42:32.38 |
-23:44:11.7 |
HIP 76874 |
29.28 |
| 2026-02-20 00:00 |
15:42:33.58 |
-23:44:42.5 |
HIP 76874 |
29.86 |
| 2026-02-20 12:00 |
15:42:34.69 |
-23:45:13.0 |
HIP 76874 |
30.42 |
| 2026-02-21 00:00 |
15:42:35.71 |
-23:45:43.2 |
HIP 76969 |
30.68 |
| 2026-02-21 12:00 |
15:42:36.62 |
-23:46:13.1 |
HIP 76969 |
30.15 |
| 2026-02-22 00:00 |
15:42:37.44 |
-23:46:42.8 |
HIP 76969 |
29.63 |
| 2026-02-22 12:00 |
15:42:38.16 |
-23:47:12.3 |
HIP 76969 |
29.12 |
| 2026-02-23 00:00 |
15:42:38.79 |
-23:47:41.4 |
HIP 76969 |
28.62 |
| 2026-02-23 12:00 |
15:42:39.31 |
-23:48:10.3 |
HIP 76969 |
28.12 |
| 2026-02-24 00:00 |
15:42:39.74 |
-23:48:38.9 |
HIP 76969 |
27.64 |