메타데이터
| 항목 |
값 |
| Designation |
241P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-07-17T08:34:46.513920Z |
| Orbit solution date (soln_date, UTC) |
2022-05-06T00:43:04Z |
| Obs used |
874 |
| NEO |
- |
| M1 |
14.300 |
| K1 |
7.250 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2015-01-18.0000000 |
| e |
0.60991749 |
| q (au) |
1.932371 |
| a (au) |
4.953749 |
| i (deg) |
20.868312 |
| Ω (om, deg) |
305.806635 |
| ω (w, deg) |
110.525675 |
| M (ma, deg) |
147.108792 |
밝기
산란 + 전체 선형
$$
M_a = (12.777 + 3.761\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.777 |
| n |
3.761 |
| gf |
1.000 |
| gb |
-0.932 |
| k |
1.000 |
| 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) |
| 2026-03-26 00:00 |
15:06:49.76 |
-40:48:09.9 |
HIP 73814 |
19.96 |
| 2026-03-26 12:00 |
15:06:39.60 |
-40:48:43.6 |
HIP 73814 |
17.97 |
| 2026-03-27 00:00 |
15:06:29.30 |
-40:49:16.3 |
HIP 73814 |
15.97 |
| 2026-03-27 12:00 |
15:06:18.85 |
-40:49:48.0 |
HIP 73814 |
13.95 |
| 2026-03-28 00:00 |
15:06:08.27 |
-40:50:18.7 |
HIP 73814 |
11.94 |
| 2026-03-28 12:00 |
15:05:57.55 |
-40:50:48.4 |
HIP 73814 |
9.92 |
| 2026-03-29 00:00 |
15:05:46.68 |
-40:51:17.1 |
HIP 73814 |
7.94 |
| 2026-03-29 12:00 |
15:05:35.69 |
-40:51:44.7 |
HIP 73814 |
6.03 |
| 2026-03-30 00:00 |
15:05:24.55 |
-40:52:11.4 |
HIP 73814 |
4.34 |
| 2026-03-30 12:00 |
15:05:13.28 |
-40:52:37.0 |
HIP 73814 |
3.26 |
| 2026-03-31 00:00 |
15:05:01.88 |
-40:53:01.7 |
HIP 73814 |
3.47 |
| 2026-03-31 12:00 |
15:04:50.35 |
-40:53:25.2 |
HIP 73764 |
2.24 |
| 2026-04-01 00:00 |
15:04:38.69 |
-40:53:47.8 |
HIP 73764 |
2.27 |
| 2026-04-01 12:00 |
15:04:26.89 |
-40:54:09.3 |
HIP 73764 |
3.91 |
| 2026-04-02 00:00 |
15:04:14.97 |
-40:54:29.7 |
HIP 73764 |
5.99 |
| 2026-04-02 12:00 |
15:04:02.92 |
-40:54:49.1 |
HIP 73764 |
8.18 |
| 2026-04-03 00:00 |
15:03:50.75 |
-40:55:07.4 |
HIP 73764 |
10.44 |
| 2026-04-03 12:00 |
15:03:38.46 |
-40:55:24.7 |
HIP 73764 |
12.74 |
| 2026-04-04 00:00 |
15:03:26.04 |
-40:55:40.8 |
HIP 73764 |
15.07 |
| 2026-04-04 12:00 |
15:03:13.50 |
-40:55:55.9 |
HIP 73764 |
17.42 |
| 2026-04-05 00:00 |
15:03:00.84 |
-40:56:10.0 |
HIP 73764 |
19.80 |
| 2026-04-05 12:00 |
15:02:48.06 |
-40:56:22.9 |
HIP 73653 |
20.85 |
| 2026-04-06 00:00 |
15:02:35.16 |
-40:56:34.7 |
HIP 73653 |
21.51 |
| 2026-04-06 12:00 |
15:02:22.15 |
-40:56:45.5 |
HIP 73653 |
22.45 |
| 2026-04-07 00:00 |
15:02:09.02 |
-40:56:55.1 |
HIP 73653 |
23.63 |
| 2026-04-07 12:00 |
15:01:55.79 |
-40:57:03.7 |
HIP 73653 |
25.03 |
| 2026-04-08 00:00 |
15:01:42.44 |
-40:57:11.1 |
HIP 73653 |
26.62 |
| 2026-04-08 12:00 |
15:01:28.98 |
-40:57:17.4 |
HIP 73367 |
25.27 |
| 2026-04-09 00:00 |
15:01:15.42 |
-40:57:22.6 |
HIP 73367 |
23.07 |
| 2026-04-09 12:00 |
15:01:01.75 |
-40:57:26.7 |
HIP 73367 |
20.94 |
| 2026-04-10 00:00 |
15:00:47.97 |
-40:57:29.6 |
HIP 73367 |
18.93 |
| 2026-04-10 12:00 |
15:00:34.09 |
-40:57:31.4 |
HIP 73367 |
17.07 |
| 2026-04-11 00:00 |
15:00:20.11 |
-40:57:32.1 |
HIP 73333 |
15.31 |
| 2026-04-11 12:00 |
15:00:06.03 |
-40:57:31.6 |
HIP 73333 |
13.06 |
| 2026-04-12 00:00 |
14:59:51.86 |
-40:57:30.0 |
HIP 73333 |
11.00 |
| 2026-04-12 12:00 |
14:59:37.59 |
-40:57:27.3 |
HIP 73333 |
9.27 |
| 2026-04-13 00:00 |
14:59:23.22 |
-40:57:23.4 |
HIP 73333 |
8.09 |
| 2026-04-13 12:00 |
14:59:08.76 |
-40:57:18.4 |
HIP 73333 |
7.75 |
| 2026-04-14 00:00 |
14:58:54.22 |
-40:57:12.2 |
HIP 73333 |
8.36 |
| 2026-04-14 12:00 |
14:58:39.58 |
-40:57:04.8 |
HIP 73333 |
9.76 |
| 2026-04-15 00:00 |
14:58:24.86 |
-40:56:56.3 |
HIP 73333 |
11.69 |
| 2026-04-15 12:00 |
14:58:10.05 |
-40:56:46.6 |
HIP 73205 |
12.50 |
| 2026-04-16 00:00 |
14:57:55.16 |
-40:56:35.8 |
HIP 73205 |
11.80 |