메타데이터
| 항목 |
값 |
| Designation |
P/2013 T2 (Schwartz) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-06-20T16:25:47.807040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:41Z |
| Obs used |
118 |
| NEO |
- |
| M1 |
14.500 |
| K1 |
13.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2013-10-31.0000000 |
| e |
0.52849640 |
| q (au) |
1.599620 |
| a (au) |
3.392593 |
| i (deg) |
9.352147 |
| Ω (om, deg) |
2.629851 |
| ω (w, deg) |
342.521773 |
| M (ma, deg) |
20.869729 |
밝기
산란 + 전체 선형
$$
M_a = (14.012 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.012 |
| n |
6.000 |
| gf |
0.946 |
| gb |
-0.661 |
| k |
0.968 |
| δ90 |
7.825 |
| 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 |
00:44:58.30 |
+01:51:03.8 |
HIP 3535 |
4.19 |
| 2026-06-01 12:00 |
00:46:05.87 |
+02:00:11.9 |
HIP 3535 |
20.01 |
| 2026-06-02 00:00 |
00:47:13.39 |
+02:09:19.6 |
HIP 3652 |
13.85 |
| 2026-06-02 12:00 |
00:48:20.84 |
+02:18:27.0 |
HIP 3652 |
23.81 |
| 2026-06-03 00:00 |
00:49:28.24 |
+02:27:33.9 |
HIP 3758 |
24.71 |
| 2026-06-03 12:00 |
00:50:35.58 |
+02:36:40.5 |
HIP 3973 |
10.73 |
| 2026-06-04 00:00 |
00:51:42.86 |
+02:45:46.6 |
HIP 3973 |
9.66 |
| 2026-06-04 12:00 |
00:52:50.08 |
+02:54:52.3 |
HIP 4186 |
25.20 |
| 2026-06-05 00:00 |
00:53:57.24 |
+03:03:57.6 |
HIP 4186 |
15.91 |
| 2026-06-05 12:00 |
00:55:04.35 |
+03:13:02.3 |
HIP 4186 |
24.46 |
| 2026-06-06 00:00 |
00:56:11.39 |
+03:22:06.6 |
HIP 4370 |
18.36 |
| 2026-06-06 12:00 |
00:57:18.37 |
+03:31:10.4 |
HIP 4370 |
21.25 |
| 2026-06-07 00:00 |
00:58:25.28 |
+03:40:13.6 |
HIP 4660 |
31.10 |
| 2026-06-07 12:00 |
00:59:32.14 |
+03:49:16.4 |
HIP 4582 |
26.20 |
| 2026-06-08 00:00 |
01:00:38.93 |
+03:58:18.5 |
HIP 4582 |
32.27 |
| 2026-06-08 12:00 |
01:01:45.66 |
+04:07:20.1 |
HIP 5023 |
39.40 |
| 2026-06-09 00:00 |
01:02:52.33 |
+04:16:21.1 |
HIP 5023 |
22.44 |
| 2026-06-09 12:00 |
01:03:58.93 |
+04:25:21.5 |
HIP 5023 |
13.03 |
| 2026-06-10 00:00 |
01:05:05.46 |
+04:34:21.3 |
HIP 5141 |
22.92 |
| 2026-06-10 12:00 |
01:06:11.93 |
+04:43:20.4 |
HIP 5144 |
12.35 |
| 2026-06-11 00:00 |
01:07:18.33 |
+04:52:18.9 |
HIP 5263 |
8.09 |
| 2026-06-11 12:00 |
01:08:24.67 |
+05:01:16.7 |
HIP 5263 |
17.62 |
| 2026-06-12 00:00 |
01:09:30.93 |
+05:10:13.9 |
HIP 5432 |
16.45 |
| 2026-06-12 12:00 |
01:10:37.13 |
+05:19:10.3 |
HIP 5432 |
18.93 |
| 2026-06-13 00:00 |
01:11:43.25 |
+05:28:06.0 |
HIP 5432 |
33.88 |
| 2026-06-13 12:00 |
01:12:49.30 |
+05:37:00.9 |
HIP 5752 |
32.44 |
| 2026-06-14 00:00 |
01:13:55.28 |
+05:45:55.1 |
HIP 5752 |
37.42 |
| 2026-06-14 12:00 |
01:15:01.19 |
+05:54:48.6 |
HIP 6040 |
38.42 |
| 2026-06-15 00:00 |
01:16:07.02 |
+06:03:41.2 |
HIP 6040 |
24.44 |
| 2026-06-15 12:00 |
01:17:12.78 |
+06:12:33.1 |
HIP 6040 |
20.29 |
| 2026-06-16 00:00 |
01:18:18.46 |
+06:21:24.1 |
HIP 6220 |
24.41 |
| 2026-06-16 12:00 |
01:19:24.07 |
+06:30:14.3 |
HIP 6220 |
21.15 |
| 2026-06-17 00:00 |
01:20:29.59 |
+06:39:03.6 |
HIP 6323 |
20.84 |
| 2026-06-17 12:00 |
01:21:35.04 |
+06:47:52.1 |
HIP 6332 |
11.22 |
| 2026-06-18 00:00 |
01:22:40.41 |
+06:56:39.8 |
HIP 6490 |
16.25 |
| 2026-06-18 12:00 |
01:23:45.70 |
+07:05:26.5 |
HIP 6490 |
21.69 |
| 2026-06-19 00:00 |
01:24:50.91 |
+07:14:12.4 |
HIP 6731 |
29.89 |
| 2026-06-19 12:00 |
01:25:56.04 |
+07:22:57.4 |
HIP 6731 |
11.68 |
| 2026-06-20 00:00 |
01:27:01.08 |
+07:31:41.4 |
HIP 6731 |
7.34 |
| 2026-06-20 12:00 |
01:28:06.05 |
+07:40:24.5 |
HIP 6868 |
17.77 |
| 2026-06-21 00:00 |
01:29:10.93 |
+07:49:06.7 |
HIP 6873 |
13.65 |
| 2026-06-21 12:00 |
01:30:15.73 |
+07:57:48.0 |
HIP 7071 |
20.75 |
| 2026-06-22 00:00 |
01:31:20.44 |
+08:06:28.3 |
HIP 7071 |
24.89 |