메타데이터
| 항목 |
값 |
| Designation |
264P/Larsen |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2004-03-13T06:19:55.698240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:10Z |
| Obs used |
112 |
| NEO |
- |
| M1 |
16.700 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2005-11-25.0000000 |
| e |
0.37373545 |
| q (au) |
2.438280 |
| a (au) |
3.893371 |
| i (deg) |
25.148268 |
| Ω (om, deg) |
220.967548 |
| ω (w, deg) |
346.619062 |
| M (ma, deg) |
79.766687 |
밝기
산란 + 전체 선형
$$
M_a = (11.735 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.735 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
07:42:25.03 |
-00:35:15.5 |
HIP 37553 |
13.80 |
| 2026-06-01 12:00 |
07:43:03.95 |
-00:35:07.8 |
HIP 37553 |
16.90 |
| 2026-06-02 00:00 |
07:43:42.98 |
-00:35:01.5 |
HIP 37553 |
23.88 |
| 2026-06-02 12:00 |
07:44:22.11 |
-00:34:56.8 |
HIP 37831 |
15.50 |
| 2026-06-03 00:00 |
07:45:01.34 |
-00:34:53.4 |
HIP 37831 |
6.56 |
| 2026-06-03 12:00 |
07:45:40.68 |
-00:34:51.5 |
HIP 37831 |
6.21 |
| 2026-06-04 00:00 |
07:46:20.12 |
-00:34:51.1 |
HIP 37831 |
15.12 |
| 2026-06-04 12:00 |
07:46:59.66 |
-00:34:52.2 |
HIP 37831 |
24.79 |
| 2026-06-05 00:00 |
07:47:39.30 |
-00:34:54.7 |
HIP 38111 |
17.40 |
| 2026-06-05 12:00 |
07:48:19.04 |
-00:34:58.6 |
HIP 38111 |
10.67 |
| 2026-06-06 00:00 |
07:48:58.88 |
-00:35:04.1 |
HIP 38111 |
11.05 |
| 2026-06-06 12:00 |
07:49:38.82 |
-00:35:10.9 |
HIP 38111 |
18.15 |
| 2026-06-07 00:00 |
07:50:18.86 |
-00:35:19.3 |
HIP 38242 |
17.99 |
| 2026-06-07 12:00 |
07:50:58.99 |
-00:35:29.1 |
HIP 38242 |
22.20 |
| 2026-06-08 00:00 |
07:51:39.22 |
-00:35:40.4 |
HIP 38242 |
29.39 |
| 2026-06-08 12:00 |
07:52:19.55 |
-00:35:53.1 |
HIP 38496 |
30.83 |
| 2026-06-09 00:00 |
07:52:59.97 |
-00:36:07.3 |
HIP 38496 |
28.74 |
| 2026-06-09 12:00 |
07:53:40.48 |
-00:36:23.0 |
HIP 38653 |
20.02 |
| 2026-06-10 00:00 |
07:54:21.09 |
-00:36:40.1 |
HIP 38653 |
11.65 |
| 2026-06-10 12:00 |
07:55:01.79 |
-00:36:58.7 |
HIP 38653 |
8.75 |
| 2026-06-11 00:00 |
07:55:42.58 |
-00:37:18.7 |
HIP 38653 |
15.00 |
| 2026-06-11 12:00 |
07:56:23.46 |
-00:37:40.3 |
HIP 38838 |
13.36 |
| 2026-06-12 00:00 |
07:57:04.44 |
-00:38:03.2 |
HIP 38885 |
5.36 |
| 2026-06-12 12:00 |
07:57:45.50 |
-00:38:27.7 |
HIP 38915 |
3.22 |
| 2026-06-13 00:00 |
07:58:26.65 |
-00:38:53.6 |
HIP 38915 |
9.24 |
| 2026-06-13 12:00 |
07:59:07.89 |
-00:39:21.0 |
HIP 39012 |
12.88 |
| 2026-06-14 00:00 |
07:59:49.21 |
-00:39:49.9 |
HIP 39175 |
14.35 |
| 2026-06-14 12:00 |
08:00:30.62 |
-00:40:20.2 |
HIP 39175 |
4.32 |
| 2026-06-15 00:00 |
08:01:12.12 |
-00:40:52.0 |
HIP 39175 |
6.82 |
| 2026-06-15 12:00 |
08:01:53.70 |
-00:41:25.2 |
HIP 39175 |
17.05 |
| 2026-06-16 00:00 |
08:02:35.36 |
-00:42:00.0 |
HIP 39175 |
27.44 |
| 2026-06-16 12:00 |
08:03:17.10 |
-00:42:36.1 |
HIP 39417 |
27.28 |
| 2026-06-17 00:00 |
08:03:58.93 |
-00:43:13.8 |
HIP 39547 |
21.83 |
| 2026-06-17 12:00 |
08:04:40.84 |
-00:43:52.9 |
HIP 39547 |
16.82 |
| 2026-06-18 00:00 |
08:05:22.82 |
-00:44:33.4 |
HIP 39641 |
10.36 |
| 2026-06-18 12:00 |
08:06:04.88 |
-00:45:15.5 |
HIP 39641 |
1.37 |
| 2026-06-19 00:00 |
08:06:47.03 |
-00:45:58.9 |
HIP 39641 |
10.90 |
| 2026-06-19 12:00 |
08:07:29.24 |
-00:46:43.8 |
HIP 39844 |
20.78 |
| 2026-06-20 00:00 |
08:08:11.54 |
-00:47:30.2 |
HIP 39844 |
14.83 |
| 2026-06-20 12:00 |
08:08:53.90 |
-00:48:18.0 |
HIP 39844 |
15.24 |
| 2026-06-21 00:00 |
08:09:36.34 |
-00:49:07.2 |
HIP 39844 |
21.69 |
| 2026-06-21 12:00 |
08:10:18.86 |
-00:49:57.9 |
HIP 40064 |
22.92 |
| 2026-06-22 00:00 |
08:11:01.45 |
-00:50:50.0 |
HIP 40064 |
19.26 |