메타데이터
| 항목 |
값 |
| Designation |
C/2010 G1 (Boattini) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-04-02T12:57:43.750080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:41Z |
| Obs used |
282 |
| NEO |
- |
| M1 |
14.100 |
| K1 |
4.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-04-11.0000000 |
| e |
0.99747618 |
| q (au) |
1.204547 |
| a (au) |
477.271106 |
| i (deg) |
78.387100 |
| Ω (om, deg) |
287.448396 |
| ω (w, deg) |
168.631492 |
| M (ma, deg) |
0.000800 |
밝기
산란 + 전체 선형
$$
M_a = (15.461 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.461 |
| n |
2.000 |
| gf |
0.999 |
| gb |
-1.000 |
| 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) |
| 2026-07-29 00:00 |
18:55:35.60 |
-55:28:14.2 |
HIP 92948 |
18.15 |
| 2026-07-29 12:00 |
18:55:30.12 |
-55:28:04.5 |
HIP 92948 |
18.55 |
| 2026-07-30 00:00 |
18:55:24.67 |
-55:27:54.5 |
HIP 92948 |
18.98 |
| 2026-07-30 12:00 |
18:55:19.23 |
-55:27:44.3 |
HIP 92948 |
19.43 |
| 2026-07-31 00:00 |
18:55:13.83 |
-55:27:33.9 |
HIP 92948 |
19.90 |
| 2026-07-31 12:00 |
18:55:08.44 |
-55:27:23.2 |
HIP 92948 |
20.40 |
| 2026-08-01 00:00 |
18:55:03.08 |
-55:27:12.3 |
HIP 92948 |
20.91 |
| 2026-08-01 12:00 |
18:54:57.75 |
-55:27:01.1 |
HIP 92948 |
21.44 |
| 2026-08-02 00:00 |
18:54:52.44 |
-55:26:49.7 |
HIP 92948 |
21.99 |
| 2026-08-02 12:00 |
18:54:47.15 |
-55:26:38.1 |
HIP 92948 |
22.55 |
| 2026-08-03 00:00 |
18:54:41.89 |
-55:26:26.2 |
HIP 92948 |
23.13 |
| 2026-08-03 12:00 |
18:54:36.66 |
-55:26:14.1 |
HIP 92948 |
23.72 |
| 2026-08-04 00:00 |
18:54:31.45 |
-55:26:01.8 |
HIP 92948 |
24.32 |
| 2026-08-04 12:00 |
18:54:26.27 |
-55:25:49.2 |
HIP 92948 |
24.93 |
| 2026-08-05 00:00 |
18:54:21.12 |
-55:25:36.5 |
HIP 92948 |
25.54 |
| 2026-08-05 12:00 |
18:54:15.99 |
-55:25:23.4 |
HIP 92948 |
26.17 |
| 2026-08-06 00:00 |
18:54:10.90 |
-55:25:10.2 |
HIP 92561 |
26.70 |
| 2026-08-06 12:00 |
18:54:05.83 |
-55:24:56.7 |
HIP 92561 |
26.00 |
| 2026-08-07 00:00 |
18:54:00.79 |
-55:24:43.0 |
HIP 92561 |
25.29 |
| 2026-08-07 12:00 |
18:53:55.78 |
-55:24:29.1 |
HIP 92561 |
24.59 |
| 2026-08-08 00:00 |
18:53:50.80 |
-55:24:14.9 |
HIP 92561 |
23.90 |
| 2026-08-08 12:00 |
18:53:45.85 |
-55:24:00.5 |
HIP 92561 |
23.21 |
| 2026-08-09 00:00 |
18:53:40.93 |
-55:23:45.9 |
HIP 92561 |
22.52 |
| 2026-08-09 12:00 |
18:53:36.04 |
-55:23:31.1 |
HIP 92561 |
21.84 |
| 2026-08-10 00:00 |
18:53:31.19 |
-55:23:16.1 |
HIP 92561 |
21.16 |
| 2026-08-10 12:00 |
18:53:26.36 |
-55:23:00.8 |
HIP 92561 |
20.49 |
| 2026-08-11 00:00 |
18:53:21.57 |
-55:22:45.3 |
HIP 92561 |
19.82 |
| 2026-08-11 12:00 |
18:53:16.81 |
-55:22:29.6 |
HIP 92561 |
19.15 |
| 2026-08-12 00:00 |
18:53:12.08 |
-55:22:13.7 |
HIP 92561 |
18.50 |
| 2026-08-12 12:00 |
18:53:07.39 |
-55:21:57.6 |
HIP 92561 |
17.84 |
| 2026-08-13 00:00 |
18:53:02.73 |
-55:21:41.3 |
HIP 92561 |
17.20 |
| 2026-08-13 12:00 |
18:52:58.10 |
-55:21:24.7 |
HIP 92561 |
16.56 |
| 2026-08-14 00:00 |
18:52:53.51 |
-55:21:07.9 |
HIP 92561 |
15.92 |
| 2026-08-14 12:00 |
18:52:48.95 |
-55:20:51.0 |
HIP 92561 |
15.29 |
| 2026-08-15 00:00 |
18:52:44.43 |
-55:20:33.8 |
HIP 92561 |
14.67 |
| 2026-08-15 12:00 |
18:52:39.95 |
-55:20:16.4 |
HIP 92561 |
14.06 |
| 2026-08-16 00:00 |
18:52:35.50 |
-55:19:58.8 |
HIP 92561 |
13.46 |
| 2026-08-16 12:00 |
18:52:31.09 |
-55:19:41.1 |
HIP 92561 |
12.87 |
| 2026-08-17 00:00 |
18:52:26.71 |
-55:19:23.1 |
HIP 92561 |
12.29 |
| 2026-08-17 12:00 |
18:52:22.37 |
-55:19:04.9 |
HIP 92561 |
11.71 |
| 2026-08-18 00:00 |
18:52:18.07 |
-55:18:46.5 |
HIP 92561 |
11.16 |
| 2026-08-18 12:00 |
18:52:13.81 |
-55:18:27.9 |
HIP 92561 |
10.61 |
| 2026-08-19 00:00 |
18:52:09.58 |
-55:18:09.2 |
HIP 92561 |
10.08 |