메타데이터
| 항목 |
값 |
| Designation |
C/2011 Y3 (Boattini) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2011-08-22T22:31:41.001600Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:59Z |
| Obs used |
54 |
| NEO |
- |
| M1 |
11.700 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-01-01.0000000 |
| e |
0.70491483 |
| q (au) |
3.497843 |
| a (au) |
11.853673 |
| i (deg) |
26.516854 |
| Ω (om, deg) |
84.802605 |
| ω (w, deg) |
340.679907 |
| M (ma, deg) |
3.165186 |
밝기
산란 + 전체 선형
$$
M_a = (14.177 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.177 |
| n |
2.000 |
| gf |
0.997 |
| gb |
-0.953 |
| k |
1.000 |
| δ90 |
6.973 |
| 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) |
| 2026-06-01 00:00 |
15:44:48.38 |
-05:10:22.3 |
HIP 77133 |
3.37 |
| 2026-06-01 12:00 |
15:44:42.86 |
-05:10:14.4 |
HIP 77133 |
4.30 |
| 2026-06-02 00:00 |
15:44:37.35 |
-05:10:06.7 |
HIP 77133 |
5.43 |
| 2026-06-02 12:00 |
15:44:31.85 |
-05:09:59.2 |
HIP 77133 |
6.65 |
| 2026-06-03 00:00 |
15:44:26.37 |
-05:09:51.9 |
HIP 77133 |
7.92 |
| 2026-06-03 12:00 |
15:44:20.91 |
-05:09:44.9 |
HIP 77133 |
9.22 |
| 2026-06-04 00:00 |
15:44:15.45 |
-05:09:38.2 |
HIP 77133 |
10.53 |
| 2026-06-04 12:00 |
15:44:10.02 |
-05:09:31.7 |
HIP 77133 |
11.85 |
| 2026-06-05 00:00 |
15:44:04.60 |
-05:09:25.4 |
HIP 76998 |
13.02 |
| 2026-06-05 12:00 |
15:43:59.19 |
-05:09:19.4 |
HIP 76998 |
11.88 |
| 2026-06-06 00:00 |
15:43:53.80 |
-05:09:13.6 |
HIP 76998 |
10.79 |
| 2026-06-06 12:00 |
15:43:48.43 |
-05:09:08.1 |
HIP 76998 |
9.76 |
| 2026-06-07 00:00 |
15:43:43.08 |
-05:09:02.8 |
HIP 76998 |
8.82 |
| 2026-06-07 12:00 |
15:43:37.75 |
-05:08:57.7 |
HIP 76998 |
7.99 |
| 2026-06-08 00:00 |
15:43:32.43 |
-05:08:52.9 |
HIP 76998 |
7.30 |
| 2026-06-08 12:00 |
15:43:27.13 |
-05:08:48.4 |
HIP 76998 |
6.81 |
| 2026-06-09 00:00 |
15:43:21.85 |
-05:08:44.1 |
HIP 76998 |
6.55 |
| 2026-06-09 12:00 |
15:43:16.60 |
-05:08:40.1 |
HIP 76998 |
6.54 |
| 2026-06-10 00:00 |
15:43:11.36 |
-05:08:36.3 |
HIP 76998 |
6.79 |
| 2026-06-10 12:00 |
15:43:06.14 |
-05:08:32.8 |
HIP 76998 |
7.26 |
| 2026-06-11 00:00 |
15:43:00.95 |
-05:08:29.5 |
HIP 76930 |
7.30 |
| 2026-06-11 12:00 |
15:42:55.77 |
-05:08:26.5 |
HIP 76930 |
6.01 |
| 2026-06-12 00:00 |
15:42:50.62 |
-05:08:23.8 |
HIP 76930 |
4.73 |
| 2026-06-12 12:00 |
15:42:45.49 |
-05:08:21.3 |
HIP 76930 |
3.45 |
| 2026-06-13 00:00 |
15:42:40.39 |
-05:08:19.0 |
HIP 76930 |
2.19 |
| 2026-06-13 12:00 |
15:42:35.30 |
-05:08:17.1 |
HIP 76930 |
0.94 |
| 2026-06-14 00:00 |
15:42:30.25 |
-05:08:15.4 |
HIP 76930 |
0.44 |
| 2026-06-14 12:00 |
15:42:25.21 |
-05:08:13.9 |
HIP 76930 |
1.63 |
| 2026-06-15 00:00 |
15:42:20.21 |
-05:08:12.7 |
HIP 76930 |
2.87 |
| 2026-06-15 12:00 |
15:42:15.23 |
-05:08:11.8 |
HIP 76930 |
4.10 |
| 2026-06-16 00:00 |
15:42:10.27 |
-05:08:11.1 |
HIP 76930 |
5.33 |
| 2026-06-16 12:00 |
15:42:05.34 |
-05:08:10.7 |
HIP 76930 |
6.56 |
| 2026-06-17 00:00 |
15:42:00.44 |
-05:08:10.5 |
HIP 76930 |
7.78 |
| 2026-06-17 12:00 |
15:41:55.56 |
-05:08:10.7 |
HIP 76930 |
8.99 |
| 2026-06-18 00:00 |
15:41:50.72 |
-05:08:11.1 |
HIP 76930 |
10.20 |
| 2026-06-18 12:00 |
15:41:45.90 |
-05:08:11.7 |
HIP 76930 |
11.39 |
| 2026-06-19 00:00 |
15:41:41.11 |
-05:08:12.6 |
HIP 76930 |
12.59 |
| 2026-06-19 12:00 |
15:41:36.35 |
-05:08:13.8 |
HIP 76930 |
13.77 |
| 2026-06-20 00:00 |
15:41:31.62 |
-05:08:15.2 |
HIP 76930 |
14.95 |
| 2026-06-20 12:00 |
15:41:26.92 |
-05:08:16.9 |
HIP 76930 |
16.12 |
| 2026-06-21 00:00 |
15:41:22.25 |
-05:08:18.9 |
HIP 76930 |
17.28 |
| 2026-06-21 12:00 |
15:41:17.61 |
-05:08:21.1 |
HIP 76930 |
18.43 |
| 2026-06-22 00:00 |
15:41:13.00 |
-05:08:23.6 |
HIP 76930 |
19.58 |