메타데이터
| 항목 |
값 |
| Designation |
297P/Beshore |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2008-03-21T00:41:22.073280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:17Z |
| Obs used |
569 |
| NEO |
- |
| M1 |
6.700 |
| K1 |
20.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2009-02-28.0000000 |
| e |
0.30860610 |
| q (au) |
2.408841 |
| a (au) |
3.484036 |
| i (deg) |
10.263390 |
| Ω (om, deg) |
98.285080 |
| ω (w, deg) |
131.820042 |
| M (ma, deg) |
52.131741 |
밝기
산란 + 전체 선형
$$
M_a = (14.803 + 3.805\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.803 |
| n |
3.805 |
| gf |
0.800 |
| gb |
-0.883 |
| k |
0.998 |
| δ90 |
1.000 |
| 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 |
07:00:25.74 |
+28:38:29.9 |
HIP 33662 |
24.82 |
| 2026-03-26 12:00 |
07:00:35.91 |
+28:38:13.2 |
HIP 33662 |
25.66 |
| 2026-03-27 00:00 |
07:00:46.37 |
+28:37:55.9 |
HIP 33662 |
26.70 |
| 2026-03-27 12:00 |
07:00:57.10 |
+28:37:38.2 |
HIP 33923 |
25.21 |
| 2026-03-28 00:00 |
07:01:08.12 |
+28:37:19.9 |
HIP 33923 |
23.74 |
| 2026-03-28 12:00 |
07:01:19.42 |
+28:37:01.2 |
HIP 33923 |
22.40 |
| 2026-03-29 00:00 |
07:01:31.00 |
+28:36:42.0 |
HIP 33923 |
21.24 |
| 2026-03-29 12:00 |
07:01:42.85 |
+28:36:22.3 |
HIP 33923 |
20.32 |
| 2026-03-30 00:00 |
07:01:54.98 |
+28:36:02.2 |
HIP 33923 |
19.71 |
| 2026-03-30 12:00 |
07:02:07.38 |
+28:35:41.5 |
HIP 33923 |
19.44 |
| 2026-03-31 00:00 |
07:02:20.06 |
+28:35:20.4 |
HIP 33923 |
19.56 |
| 2026-03-31 12:00 |
07:02:33.00 |
+28:34:58.8 |
HIP 33923 |
20.10 |
| 2026-04-01 00:00 |
07:02:46.22 |
+28:34:36.7 |
HIP 33923 |
21.03 |
| 2026-04-01 12:00 |
07:02:59.70 |
+28:34:14.1 |
HIP 33923 |
22.34 |
| 2026-04-02 00:00 |
07:03:13.45 |
+28:33:51.1 |
HIP 33923 |
23.99 |
| 2026-04-02 12:00 |
07:03:27.46 |
+28:33:27.5 |
HIP 33923 |
25.93 |
| 2026-04-03 00:00 |
07:03:41.74 |
+28:33:03.6 |
HIP 33923 |
28.12 |
| 2026-04-03 12:00 |
07:03:56.27 |
+28:32:39.1 |
HIP 33923 |
30.52 |
| 2026-04-04 00:00 |
07:04:11.07 |
+28:32:14.1 |
HIP 33923 |
33.11 |
| 2026-04-04 12:00 |
07:04:26.12 |
+28:31:48.7 |
HIP 34264 |
30.69 |
| 2026-04-05 00:00 |
07:04:41.44 |
+28:31:22.8 |
HIP 34264 |
27.95 |
| 2026-04-05 12:00 |
07:04:57.01 |
+28:30:56.5 |
HIP 34264 |
25.32 |
| 2026-04-06 00:00 |
07:05:12.83 |
+28:30:29.6 |
HIP 34264 |
22.86 |
| 2026-04-06 12:00 |
07:05:28.90 |
+28:30:02.3 |
HIP 34264 |
20.69 |
| 2026-04-07 00:00 |
07:05:45.23 |
+28:29:34.5 |
HIP 34264 |
18.91 |
| 2026-04-07 12:00 |
07:06:01.81 |
+28:29:06.3 |
HIP 34264 |
17.70 |
| 2026-04-08 00:00 |
07:06:18.63 |
+28:28:37.6 |
HIP 34304 |
16.77 |
| 2026-04-08 12:00 |
07:06:35.70 |
+28:28:08.3 |
HIP 34304 |
15.39 |
| 2026-04-09 00:00 |
07:06:53.02 |
+28:27:38.7 |
HIP 34304 |
14.87 |
| 2026-04-09 12:00 |
07:07:10.58 |
+28:27:08.5 |
HIP 34304 |
15.33 |
| 2026-04-10 00:00 |
07:07:28.39 |
+28:26:37.9 |
HIP 34367 |
16.05 |
| 2026-04-10 12:00 |
07:07:46.44 |
+28:26:06.8 |
HIP 34367 |
16.22 |
| 2026-04-11 00:00 |
07:08:04.72 |
+28:25:35.2 |
HIP 34367 |
17.36 |
| 2026-04-11 12:00 |
07:08:23.25 |
+28:25:03.1 |
HIP 34367 |
19.34 |
| 2026-04-12 00:00 |
07:08:42.01 |
+28:24:30.5 |
HIP 34367 |
21.95 |
| 2026-04-12 12:00 |
07:09:01.01 |
+28:23:57.5 |
HIP 34626 |
20.42 |
| 2026-04-13 00:00 |
07:09:20.24 |
+28:23:24.0 |
HIP 34626 |
17.27 |
| 2026-04-13 12:00 |
07:09:39.71 |
+28:22:50.0 |
HIP 34626 |
14.67 |
| 2026-04-14 00:00 |
07:09:59.41 |
+28:22:15.5 |
HIP 34626 |
13.00 |
| 2026-04-14 12:00 |
07:10:19.34 |
+28:21:40.6 |
HIP 34626 |
12.70 |
| 2026-04-15 00:00 |
07:10:39.49 |
+28:21:05.1 |
HIP 34626 |
13.89 |
| 2026-04-15 12:00 |
07:10:59.88 |
+28:20:29.2 |
HIP 34626 |
16.30 |
| 2026-04-16 00:00 |
07:11:20.49 |
+28:19:52.7 |
HIP 34626 |
19.52 |