메타데이터
| 항목 |
값 |
| Designation |
53P/Van Biesbroeck |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-04-30T19:59:30.923520Z |
| Orbit solution date (soln_date, UTC) |
2026-03-09T09:09:38Z |
| Obs used |
2926 |
| NEO |
- |
| M1 |
10.000 |
| K1 |
9.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-08-29.0000000 |
| e |
0.55103774 |
| q (au) |
2.426494 |
| a (au) |
5.404674 |
| i (deg) |
6.611054 |
| Ω (om, deg) |
148.898788 |
| ω (w, deg) |
134.261588 |
| M (ma, deg) |
226.112232 |
밝기
산란 + 전체 선형
$$
M_a = (10.440 + 3.304\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.440 |
| n |
3.304 |
| gf |
0.851 |
| gb |
-0.843 |
| k |
0.999 |
| 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) |
| 2026-05-12 00:00 |
09:24:54.16 |
+15:06:27.8 |
HIP 46318 |
25.67 |
| 2026-05-12 12:00 |
09:25:00.09 |
+15:06:11.0 |
HIP 46318 |
24.25 |
| 2026-05-13 00:00 |
09:25:06.17 |
+15:05:53.6 |
HIP 46318 |
22.79 |
| 2026-05-13 12:00 |
09:25:12.39 |
+15:05:35.4 |
HIP 46318 |
21.31 |
| 2026-05-14 00:00 |
09:25:18.76 |
+15:05:16.5 |
HIP 46318 |
19.80 |
| 2026-05-14 12:00 |
09:25:25.27 |
+15:04:56.9 |
HIP 46318 |
18.27 |
| 2026-05-15 00:00 |
09:25:31.93 |
+15:04:36.6 |
HIP 46318 |
16.72 |
| 2026-05-15 12:00 |
09:25:38.73 |
+15:04:15.5 |
HIP 46318 |
15.15 |
| 2026-05-16 00:00 |
09:25:45.67 |
+15:03:53.8 |
HIP 46318 |
13.58 |
| 2026-05-16 12:00 |
09:25:52.76 |
+15:03:31.3 |
HIP 46318 |
12.03 |
| 2026-05-17 00:00 |
09:25:59.98 |
+15:03:08.1 |
HIP 46318 |
10.50 |
| 2026-05-17 12:00 |
09:26:07.35 |
+15:02:44.2 |
HIP 46318 |
9.05 |
| 2026-05-18 00:00 |
09:26:14.86 |
+15:02:19.6 |
HIP 46318 |
7.73 |
| 2026-05-18 12:00 |
09:26:22.51 |
+15:01:54.3 |
HIP 46318 |
6.67 |
| 2026-05-19 00:00 |
09:26:30.30 |
+15:01:28.2 |
HIP 46318 |
6.02 |
| 2026-05-19 12:00 |
09:26:38.22 |
+15:01:01.5 |
HIP 46318 |
5.97 |
| 2026-05-20 00:00 |
09:26:46.29 |
+15:00:34.1 |
HIP 46339 |
4.93 |
| 2026-05-20 12:00 |
09:26:54.49 |
+15:00:06.0 |
HIP 46339 |
4.58 |
| 2026-05-21 00:00 |
09:27:02.82 |
+14:59:37.2 |
HIP 46339 |
5.09 |
| 2026-05-21 12:00 |
09:27:11.30 |
+14:59:07.7 |
HIP 46339 |
6.31 |
| 2026-05-22 00:00 |
09:27:19.90 |
+14:58:37.5 |
HIP 46339 |
7.93 |
| 2026-05-22 12:00 |
09:27:28.64 |
+14:58:06.6 |
HIP 46339 |
9.78 |
| 2026-05-23 00:00 |
09:27:37.52 |
+14:57:35.0 |
HIP 46339 |
11.78 |
| 2026-05-23 12:00 |
09:27:46.52 |
+14:57:02.8 |
HIP 46339 |
13.87 |
| 2026-05-24 00:00 |
09:27:55.66 |
+14:56:29.9 |
HIP 46449 |
15.22 |
| 2026-05-24 12:00 |
09:28:04.93 |
+14:55:56.3 |
HIP 46449 |
14.84 |
| 2026-05-25 00:00 |
09:28:14.33 |
+14:55:22.1 |
HIP 46449 |
14.81 |
| 2026-05-25 12:00 |
09:28:23.86 |
+14:54:47.1 |
HIP 46449 |
15.15 |
| 2026-05-26 00:00 |
09:28:33.51 |
+14:54:11.5 |
HIP 46449 |
15.86 |
| 2026-05-26 12:00 |
09:28:43.30 |
+14:53:35.3 |
HIP 46449 |
16.91 |
| 2026-05-27 00:00 |
09:28:53.21 |
+14:52:58.4 |
HIP 46449 |
18.25 |
| 2026-05-27 12:00 |
09:29:03.25 |
+14:52:20.8 |
HIP 46449 |
19.83 |
| 2026-05-28 00:00 |
09:29:13.41 |
+14:51:42.6 |
HIP 46525 |
21.25 |
| 2026-05-28 12:00 |
09:29:23.70 |
+14:51:03.7 |
HIP 46525 |
20.49 |
| 2026-05-29 00:00 |
09:29:34.11 |
+14:50:24.2 |
HIP 46525 |
20.03 |
| 2026-05-29 12:00 |
09:29:44.65 |
+14:49:44.0 |
HIP 46525 |
19.90 |
| 2026-05-30 00:00 |
09:29:55.31 |
+14:49:03.2 |
HIP 46525 |
20.12 |
| 2026-05-30 12:00 |
09:30:06.09 |
+14:48:21.7 |
HIP 46525 |
20.69 |
| 2026-05-31 00:00 |
09:30:16.99 |
+14:47:39.6 |
HIP 46525 |
21.59 |
| 2026-05-31 12:00 |
09:30:28.01 |
+14:46:56.9 |
HIP 46525 |
22.80 |
| 2026-06-01 00:00 |
09:30:39.16 |
+14:46:13.5 |
HIP 46525 |
24.28 |
| 2026-06-01 12:00 |
09:30:50.42 |
+14:45:29.5 |
HIP 46525 |
25.99 |
| 2026-06-02 00:00 |
09:31:01.80 |
+14:44:44.9 |
HIP 46525 |
27.91 |