메타데이터
| 항목 |
값 |
| Designation |
233P/La Sagra |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-25T04:02:51.938880Z |
| Orbit solution date (soln_date, UTC) |
2026-06-09T11:12:46Z |
| Obs used |
183 |
| NEO |
- |
| M1 |
18.800 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2017-12-06.0000000 |
| e |
0.41125246 |
| q (au) |
1.783755 |
| a (au) |
3.029745 |
| i (deg) |
11.284516 |
| Ω (om, deg) |
74.928208 |
| ω (w, deg) |
27.125495 |
| M (ma, deg) |
167.238481 |
밝기
산란 + 전체 선형
$$
M_a = (15.663 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.663 |
| n |
6.000 |
| gf |
0.997 |
| gb |
-0.857 |
| k |
0.999 |
| δ90 |
9.995 |
| 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) |
| 2026-07-29 00:00 |
11:24:15.99 |
+12:57:15.3 |
HIP 55721 |
11.85 |
| 2026-07-29 12:00 |
11:25:08.40 |
+12:50:42.9 |
HIP 55721 |
9.85 |
| 2026-07-30 00:00 |
11:26:00.75 |
+12:44:10.8 |
HIP 55721 |
21.55 |
| 2026-07-30 12:00 |
11:26:53.05 |
+12:37:38.8 |
HIP 55922 |
11.63 |
| 2026-07-31 00:00 |
11:27:45.29 |
+12:31:07.1 |
HIP 55922 |
7.69 |
| 2026-07-31 12:00 |
11:28:37.48 |
+12:24:35.5 |
HIP 55922 |
19.82 |
| 2026-08-01 00:00 |
11:29:29.62 |
+12:18:04.1 |
HIP 55958 |
29.07 |
| 2026-08-01 12:00 |
11:30:21.71 |
+12:11:32.9 |
HIP 56294 |
29.80 |
| 2026-08-02 00:00 |
11:31:13.75 |
+12:05:02.0 |
HIP 56294 |
18.54 |
| 2026-08-02 12:00 |
11:32:05.73 |
+11:58:31.2 |
HIP 56294 |
14.42 |
| 2026-08-03 00:00 |
11:32:57.67 |
+11:52:00.7 |
HIP 56350 |
17.29 |
| 2026-08-03 12:00 |
11:33:49.55 |
+11:45:30.4 |
HIP 56487 |
15.31 |
| 2026-08-04 00:00 |
11:34:41.38 |
+11:39:00.3 |
HIP 56487 |
10.72 |
| 2026-08-04 12:00 |
11:35:33.17 |
+11:32:30.5 |
HIP 56636 |
18.68 |
| 2026-08-05 00:00 |
11:36:24.90 |
+11:26:00.8 |
HIP 56636 |
14.83 |
| 2026-08-05 12:00 |
11:37:16.59 |
+11:19:31.5 |
HIP 56636 |
22.27 |
| 2026-08-06 00:00 |
11:38:08.23 |
+11:13:02.3 |
HIP 56636 |
34.30 |
| 2026-08-06 12:00 |
11:38:59.82 |
+11:06:33.5 |
HIP 56947 |
22.38 |
| 2026-08-07 00:00 |
11:39:51.37 |
+11:00:04.9 |
HIP 56947 |
14.79 |
| 2026-08-07 12:00 |
11:40:42.86 |
+10:53:36.5 |
HIP 56999 |
7.58 |
| 2026-08-08 00:00 |
11:41:34.31 |
+10:47:08.4 |
HIP 56999 |
7.13 |
| 2026-08-08 12:00 |
11:42:25.72 |
+10:40:40.6 |
HIP 57183 |
17.09 |
| 2026-08-09 00:00 |
11:43:17.07 |
+10:34:13.0 |
HIP 57183 |
8.68 |
| 2026-08-09 12:00 |
11:44:08.39 |
+10:27:45.8 |
HIP 57228 |
7.65 |
| 2026-08-10 00:00 |
11:44:59.65 |
+10:21:18.8 |
HIP 57228 |
13.92 |
| 2026-08-10 12:00 |
11:45:50.88 |
+10:14:52.2 |
HIP 57516 |
25.28 |
| 2026-08-11 00:00 |
11:46:42.05 |
+10:08:25.8 |
HIP 57516 |
21.18 |
| 2026-08-11 12:00 |
11:47:33.18 |
+10:01:59.7 |
HIP 57516 |
25.65 |
| 2026-08-12 00:00 |
11:48:24.27 |
+09:55:34.0 |
HIP 57734 |
29.97 |
| 2026-08-12 12:00 |
11:49:15.31 |
+09:49:08.6 |
HIP 57743 |
18.32 |
| 2026-08-13 00:00 |
11:50:06.31 |
+09:42:43.5 |
HIP 57743 |
6.81 |
| 2026-08-13 12:00 |
11:50:57.26 |
+09:36:18.7 |
HIP 57755 |
6.73 |
| 2026-08-14 00:00 |
11:51:48.17 |
+09:29:54.3 |
HIP 57755 |
16.67 |
| 2026-08-14 12:00 |
11:52:39.04 |
+09:23:30.3 |
HIP 57755 |
30.12 |
| 2026-08-15 00:00 |
11:53:29.86 |
+09:17:06.6 |
HIP 58139 |
30.43 |
| 2026-08-15 12:00 |
11:54:20.63 |
+09:10:43.3 |
HIP 58139 |
16.69 |
| 2026-08-16 00:00 |
11:55:11.37 |
+09:04:20.3 |
HIP 58139 |
5.19 |
| 2026-08-16 12:00 |
11:56:02.05 |
+08:57:57.7 |
HIP 58139 |
13.04 |
| 2026-08-17 00:00 |
11:56:52.70 |
+08:51:35.5 |
HIP 58337 |
15.86 |
| 2026-08-17 12:00 |
11:57:43.30 |
+08:45:13.7 |
HIP 58337 |
14.21 |
| 2026-08-18 00:00 |
11:58:33.86 |
+08:38:52.3 |
HIP 58337 |
23.35 |
| 2026-08-18 12:00 |
11:59:24.37 |
+08:32:31.3 |
HIP 58607 |
29.56 |
| 2026-08-19 00:00 |
12:00:14.84 |
+08:26:10.7 |
HIP 58607 |
25.30 |