메타데이터
| 항목 |
값 |
| Designation |
294P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-03-02T22:57:19.949760Z |
| Orbit solution date (soln_date, UTC) |
2025-04-24T09:42:31Z |
| Obs used |
269 |
| NEO |
Yes |
| M1 |
17.900 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-07-03.0000000 |
| e |
0.59553149 |
| q (au) |
1.294963 |
| a (au) |
3.201640 |
| i (deg) |
18.216347 |
| Ω (om, deg) |
312.897989 |
| ω (w, deg) |
235.321908 |
| M (ma, deg) |
255.403331 |
밝기
산란 + 전체 선형
$$
M_a = (16.285 + 2.939\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.285 |
| n |
2.939 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
22:05:25.70 |
-11:32:50.3 |
HIP 109084 |
22.87 |
| 2026-06-01 12:00 |
22:05:28.78 |
-11:30:49.5 |
HIP 109084 |
24.63 |
| 2026-06-02 00:00 |
22:05:31.54 |
-11:28:50.1 |
HIP 109084 |
26.44 |
| 2026-06-02 12:00 |
22:05:33.98 |
-11:26:52.2 |
HIP 109084 |
28.28 |
| 2026-06-03 00:00 |
22:05:36.08 |
-11:24:55.7 |
HIP 109084 |
30.13 |
| 2026-06-03 12:00 |
22:05:37.86 |
-11:23:00.7 |
HIP 109084 |
31.99 |
| 2026-06-04 00:00 |
22:05:39.31 |
-11:21:07.2 |
HIP 108979 |
31.62 |
| 2026-06-04 12:00 |
22:05:40.43 |
-11:19:15.1 |
HIP 108979 |
30.12 |
| 2026-06-05 00:00 |
22:05:41.22 |
-11:17:24.6 |
HIP 108979 |
28.63 |
| 2026-06-05 12:00 |
22:05:41.68 |
-11:15:35.5 |
HIP 108979 |
27.16 |
| 2026-06-06 00:00 |
22:05:41.81 |
-11:13:47.9 |
HIP 108979 |
25.71 |
| 2026-06-06 12:00 |
22:05:41.60 |
-11:12:01.8 |
HIP 108979 |
24.28 |
| 2026-06-07 00:00 |
22:05:41.06 |
-11:10:17.3 |
HIP 108979 |
22.86 |
| 2026-06-07 12:00 |
22:05:40.19 |
-11:08:34.2 |
HIP 108979 |
21.44 |
| 2026-06-08 00:00 |
22:05:38.97 |
-11:06:52.7 |
HIP 108979 |
20.04 |
| 2026-06-08 12:00 |
22:05:37.43 |
-11:05:12.7 |
HIP 108979 |
18.64 |
| 2026-06-09 00:00 |
22:05:35.54 |
-11:03:34.2 |
HIP 108979 |
17.24 |
| 2026-06-09 12:00 |
22:05:33.32 |
-11:01:57.3 |
HIP 108979 |
15.86 |
| 2026-06-10 00:00 |
22:05:30.76 |
-11:00:21.9 |
HIP 108979 |
14.48 |
| 2026-06-10 12:00 |
22:05:27.86 |
-10:58:48.1 |
HIP 108979 |
13.11 |
| 2026-06-11 00:00 |
22:05:24.61 |
-10:57:15.8 |
HIP 108979 |
11.77 |
| 2026-06-11 12:00 |
22:05:21.03 |
-10:55:45.1 |
HIP 108979 |
10.47 |
| 2026-06-12 00:00 |
22:05:17.11 |
-10:54:16.0 |
HIP 108979 |
9.23 |
| 2026-06-12 12:00 |
22:05:12.84 |
-10:52:48.4 |
HIP 108979 |
8.11 |
| 2026-06-13 00:00 |
22:05:08.24 |
-10:51:22.4 |
HIP 108979 |
7.18 |
| 2026-06-13 12:00 |
22:05:03.29 |
-10:49:58.0 |
HIP 108979 |
6.54 |
| 2026-06-14 00:00 |
22:04:58.00 |
-10:48:35.1 |
HIP 108979 |
6.32 |
| 2026-06-14 12:00 |
22:04:52.36 |
-10:47:13.9 |
HIP 108979 |
6.59 |
| 2026-06-15 00:00 |
22:04:46.38 |
-10:45:54.2 |
HIP 108979 |
7.34 |
| 2026-06-15 12:00 |
22:04:40.06 |
-10:44:36.1 |
HIP 108979 |
8.46 |
| 2026-06-16 00:00 |
22:04:33.40 |
-10:43:19.6 |
HIP 108979 |
9.86 |
| 2026-06-16 12:00 |
22:04:26.39 |
-10:42:04.7 |
HIP 108979 |
11.47 |
| 2026-06-17 00:00 |
22:04:19.04 |
-10:40:51.4 |
HIP 108979 |
13.23 |
| 2026-06-17 12:00 |
22:04:11.35 |
-10:39:39.6 |
HIP 108979 |
15.12 |
| 2026-06-18 00:00 |
22:04:03.32 |
-10:38:29.5 |
HIP 108979 |
17.11 |
| 2026-06-18 12:00 |
22:03:54.95 |
-10:37:20.9 |
HIP 108979 |
19.19 |
| 2026-06-19 00:00 |
22:03:46.23 |
-10:36:14.0 |
HIP 108979 |
21.37 |
| 2026-06-19 12:00 |
22:03:37.18 |
-10:35:08.6 |
HIP 108979 |
23.62 |
| 2026-06-20 00:00 |
22:03:27.78 |
-10:34:04.8 |
HIP 108979 |
25.95 |
| 2026-06-20 12:00 |
22:03:18.05 |
-10:33:02.6 |
HIP 108979 |
28.36 |
| 2026-06-21 00:00 |
22:03:07.98 |
-10:32:01.9 |
HIP 108979 |
30.84 |
| 2026-06-21 12:00 |
22:02:57.57 |
-10:31:02.9 |
HIP 108979 |
33.40 |
| 2026-06-22 00:00 |
22:02:46.82 |
-10:30:05.4 |
HIP 108979 |
36.03 |