메타데이터
| 항목 |
값 |
| Designation |
P/2015 C1 (TOTAS-Gibbs) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-05-01T06:59:29.762880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:06Z |
| Obs used |
290 |
| NEO |
- |
| M1 |
12.800 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2015-03-12.0000000 |
| e |
0.56245006 |
| q (au) |
2.892675 |
| a (au) |
6.611073 |
| i (deg) |
13.877560 |
| Ω (om, deg) |
348.862081 |
| ω (w, deg) |
178.414934 |
| M (ma, deg) |
357.083989 |
밝기
산란 + 전체 선형
$$
M_a = (11.583 + 4.475\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.583 |
| n |
4.475 |
| gf |
1.000 |
| gb |
-0.940 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
00:13:27.97 |
+05:25:03.9 |
HIP 1050 |
14.03 |
| 2026-03-26 12:00 |
00:13:40.28 |
+05:26:32.4 |
HIP 1050 |
14.34 |
| 2026-03-27 00:00 |
00:13:52.60 |
+05:28:01.0 |
HIP 1050 |
15.41 |
| 2026-03-27 12:00 |
00:14:04.91 |
+05:29:29.6 |
HIP 1199 |
14.89 |
| 2026-03-28 00:00 |
00:14:17.22 |
+05:30:58.3 |
HIP 1199 |
11.50 |
| 2026-03-28 12:00 |
00:14:29.53 |
+05:32:27.1 |
HIP 1199 |
8.11 |
| 2026-03-29 00:00 |
00:14:41.84 |
+05:33:55.9 |
HIP 1199 |
4.73 |
| 2026-03-29 12:00 |
00:14:54.14 |
+05:35:24.8 |
HIP 1199 |
1.47 |
| 2026-03-30 00:00 |
00:15:06.44 |
+05:36:53.7 |
HIP 1199 |
2.25 |
| 2026-03-30 12:00 |
00:15:18.73 |
+05:38:22.7 |
HIP 1199 |
5.58 |
| 2026-03-31 00:00 |
00:15:31.02 |
+05:39:51.7 |
HIP 1199 |
8.96 |
| 2026-03-31 12:00 |
00:15:43.31 |
+05:41:20.8 |
HIP 1249 |
9.36 |
| 2026-04-01 00:00 |
00:15:55.59 |
+05:42:50.0 |
HIP 1249 |
8.87 |
| 2026-04-01 12:00 |
00:16:07.86 |
+05:44:19.1 |
HIP 1249 |
9.63 |
| 2026-04-02 00:00 |
00:16:20.13 |
+05:45:48.3 |
HIP 1249 |
11.40 |
| 2026-04-02 12:00 |
00:16:32.39 |
+05:47:17.6 |
HIP 1249 |
13.79 |
| 2026-04-03 00:00 |
00:16:44.64 |
+05:48:46.8 |
HIP 1249 |
16.53 |
| 2026-04-03 12:00 |
00:16:56.89 |
+05:50:16.1 |
HIP 1249 |
19.47 |
| 2026-04-04 00:00 |
00:17:09.12 |
+05:51:45.5 |
HIP 1249 |
22.54 |
| 2026-04-04 12:00 |
00:17:21.35 |
+05:53:14.8 |
HIP 1249 |
25.69 |
| 2026-04-05 00:00 |
00:17:33.57 |
+05:54:44.2 |
HIP 1249 |
28.88 |
| 2026-04-05 12:00 |
00:17:45.78 |
+05:56:13.5 |
HIP 1566 |
27.82 |
| 2026-04-06 00:00 |
00:17:57.98 |
+05:57:42.9 |
HIP 1566 |
25.71 |
| 2026-04-06 12:00 |
00:18:10.16 |
+05:59:12.3 |
HIP 1566 |
23.89 |
| 2026-04-07 00:00 |
00:18:22.34 |
+06:00:41.8 |
HIP 1566 |
22.44 |
| 2026-04-07 12:00 |
00:18:34.51 |
+06:02:11.2 |
HIP 1566 |
21.43 |
| 2026-04-08 00:00 |
00:18:46.66 |
+06:03:40.6 |
HIP 1566 |
20.93 |
| 2026-04-08 12:00 |
00:18:58.80 |
+06:05:10.0 |
HIP 1602 |
20.61 |
| 2026-04-09 00:00 |
00:19:10.92 |
+06:06:39.4 |
HIP 1602 |
17.32 |
| 2026-04-09 12:00 |
00:19:23.03 |
+06:08:08.8 |
HIP 1602 |
14.06 |
| 2026-04-10 00:00 |
00:19:35.13 |
+06:09:38.2 |
HIP 1602 |
10.87 |
| 2026-04-10 12:00 |
00:19:47.21 |
+06:11:07.6 |
HIP 1602 |
7.81 |
| 2026-04-11 00:00 |
00:19:59.28 |
+06:12:36.9 |
HIP 1602 |
5.15 |
| 2026-04-11 12:00 |
00:20:11.33 |
+06:14:06.3 |
HIP 1602 |
3.79 |
| 2026-04-12 00:00 |
00:20:23.37 |
+06:15:35.6 |
HIP 1602 |
4.95 |
| 2026-04-12 12:00 |
00:20:35.39 |
+06:17:04.8 |
HIP 1602 |
7.55 |
| 2026-04-13 00:00 |
00:20:47.39 |
+06:18:34.1 |
HIP 1602 |
10.57 |
| 2026-04-13 12:00 |
00:20:59.37 |
+06:20:03.3 |
HIP 1602 |
13.72 |
| 2026-04-14 00:00 |
00:21:11.33 |
+06:21:32.5 |
HIP 1602 |
16.94 |
| 2026-04-14 12:00 |
00:21:23.28 |
+06:23:01.6 |
HIP 1602 |
20.19 |
| 2026-04-15 00:00 |
00:21:35.20 |
+06:24:30.7 |
HIP 1771 |
19.90 |
| 2026-04-15 12:00 |
00:21:47.11 |
+06:25:59.7 |
HIP 1771 |
16.96 |
| 2026-04-16 00:00 |
00:21:58.99 |
+06:27:28.7 |
HIP 1771 |
14.18 |