메타데이터
| 항목 |
값 |
| Designation |
C/2010 F1 (Boattini) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2009-11-10T13:33:39.127680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:41Z |
| Obs used |
301 |
| NEO |
- |
| M1 |
7.000 |
| K1 |
15.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-04-02.0000000 |
| e |
0.94753492 |
| q (au) |
3.587530 |
| a (au) |
68.379381 |
| i (deg) |
64.935721 |
| Ω (om, deg) |
344.389791 |
| ω (w, deg) |
127.512149 |
| M (ma, deg) |
0.248275 |
밝기
산란 + 전체 선형
$$
M_a = (13.031 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.031 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.999 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2010-02-20 |
2012-07-27 |
-25.1690 |
+14.600 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
12:57:16.02 |
-84:10:35.7 |
HIP 64213 |
30.77 |
| 2026-09-20 12:00 |
12:57:49.74 |
-84:10:27.7 |
HIP 64213 |
30.12 |
| 2026-09-21 00:00 |
12:58:23.50 |
-84:10:20.1 |
HIP 64213 |
29.48 |
| 2026-09-21 12:00 |
12:58:57.32 |
-84:10:12.8 |
HIP 64213 |
28.86 |
| 2026-09-22 00:00 |
12:59:31.19 |
-84:10:05.9 |
HIP 64213 |
28.25 |
| 2026-09-22 12:00 |
13:00:05.12 |
-84:09:59.3 |
HIP 64213 |
27.67 |
| 2026-09-23 00:00 |
13:00:39.10 |
-84:09:53.0 |
HIP 64213 |
27.10 |
| 2026-09-23 12:00 |
13:01:13.12 |
-84:09:47.1 |
HIP 64213 |
26.56 |
| 2026-09-24 00:00 |
13:01:47.20 |
-84:09:41.4 |
HIP 64213 |
26.05 |
| 2026-09-24 12:00 |
13:02:21.33 |
-84:09:36.2 |
HIP 64213 |
25.55 |
| 2026-09-25 00:00 |
13:02:55.51 |
-84:09:31.2 |
HIP 64213 |
25.09 |
| 2026-09-25 12:00 |
13:03:29.74 |
-84:09:26.6 |
HIP 64213 |
24.65 |
| 2026-09-26 00:00 |
13:04:04.01 |
-84:09:22.3 |
HIP 64213 |
24.24 |
| 2026-09-26 12:00 |
13:04:38.34 |
-84:09:18.3 |
HIP 64213 |
23.87 |
| 2026-09-27 00:00 |
13:05:12.71 |
-84:09:14.7 |
HIP 64213 |
23.53 |
| 2026-09-27 12:00 |
13:05:47.13 |
-84:09:11.3 |
HIP 64213 |
23.22 |
| 2026-09-28 00:00 |
13:06:21.60 |
-84:09:08.4 |
HIP 64213 |
22.95 |
| 2026-09-28 12:00 |
13:06:56.11 |
-84:09:05.7 |
HIP 64652 |
22.55 |
| 2026-09-29 00:00 |
13:07:30.67 |
-84:09:03.4 |
HIP 64652 |
22.01 |
| 2026-09-29 12:00 |
13:08:05.28 |
-84:09:01.4 |
HIP 64652 |
21.50 |
| 2026-09-30 00:00 |
13:08:39.93 |
-84:08:59.7 |
HIP 64652 |
21.03 |
| 2026-09-30 12:00 |
13:09:14.63 |
-84:08:58.4 |
HIP 64652 |
20.58 |
| 2026-10-01 00:00 |
13:09:49.37 |
-84:08:57.4 |
HIP 64652 |
20.17 |
| 2026-10-01 12:00 |
13:10:24.16 |
-84:08:56.7 |
HIP 64652 |
19.80 |
| 2026-10-02 00:00 |
13:10:58.99 |
-84:08:56.4 |
HIP 64652 |
19.47 |
| 2026-10-02 12:00 |
13:11:33.86 |
-84:08:56.4 |
HIP 64652 |
19.18 |
| 2026-10-03 00:00 |
13:12:08.78 |
-84:08:56.7 |
HIP 64652 |
18.94 |
| 2026-10-03 12:00 |
13:12:43.74 |
-84:08:57.3 |
HIP 64652 |
18.74 |
| 2026-10-04 00:00 |
13:13:18.74 |
-84:08:58.3 |
HIP 64652 |
18.59 |
| 2026-10-04 12:00 |
13:13:53.79 |
-84:08:59.6 |
HIP 64652 |
18.49 |
| 2026-10-05 00:00 |
13:14:28.87 |
-84:09:01.2 |
HIP 64652 |
18.44 |
| 2026-10-05 12:00 |
13:15:04.00 |
-84:09:03.2 |
HIP 64652 |
18.45 |
| 2026-10-06 00:00 |
13:15:39.16 |
-84:09:05.5 |
HIP 64652 |
18.50 |
| 2026-10-06 12:00 |
13:16:14.37 |
-84:09:08.1 |
HIP 64652 |
18.60 |
| 2026-10-07 00:00 |
13:16:49.61 |
-84:09:11.1 |
HIP 64743 |
18.61 |
| 2026-10-07 12:00 |
13:17:24.89 |
-84:09:14.3 |
HIP 64743 |
18.63 |
| 2026-10-08 00:00 |
13:18:00.21 |
-84:09:18.0 |
HIP 64743 |
18.67 |
| 2026-10-08 12:00 |
13:18:35.57 |
-84:09:21.9 |
HIP 64743 |
18.76 |
| 2026-10-09 00:00 |
13:19:10.96 |
-84:09:26.2 |
HIP 64743 |
18.88 |
| 2026-10-09 12:00 |
13:19:46.39 |
-84:09:30.8 |
HIP 64743 |
19.03 |
| 2026-10-10 00:00 |
13:20:21.85 |
-84:09:35.7 |
HIP 64743 |
19.22 |
| 2026-10-10 12:00 |
13:20:57.34 |
-84:09:41.0 |
HIP 64743 |
19.44 |
| 2026-10-11 00:00 |
13:21:32.87 |
-84:09:46.6 |
HIP 64743 |
19.70 |