메타데이터
| 항목 |
값 |
| Designation |
P/2017 W3 (Gibbs) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2018-02-25T02:11:14.487360Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:38Z |
| Obs used |
142 |
| NEO |
- |
| M1 |
10.500 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2018-02-01.0000000 |
| e |
0.50387336 |
| q (au) |
3.837297 |
| a (au) |
7.734510 |
| i (deg) |
18.316724 |
| Ω (om, deg) |
210.753463 |
| ω (w, deg) |
326.464054 |
| M (ma, deg) |
358.896145 |
밝기
산란 + 전체 선형
$$
M_a = (14.129 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.129 |
| n |
2.000 |
| gf |
0.980 |
| gb |
-0.500 |
| k |
0.803 |
| δ90 |
2.051 |
| 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 |
22:36:51.76 |
+05:11:53.9 |
HIP 111517 |
21.19 |
| 2026-03-26 12:00 |
22:37:01.98 |
+05:13:03.0 |
HIP 111517 |
22.93 |
| 2026-03-27 00:00 |
22:37:12.17 |
+05:14:12.1 |
HIP 111517 |
24.86 |
| 2026-03-27 12:00 |
22:37:22.33 |
+05:15:21.3 |
HIP 111517 |
26.94 |
| 2026-03-28 00:00 |
22:37:32.46 |
+05:16:30.6 |
HIP 111808 |
26.64 |
| 2026-03-28 12:00 |
22:37:42.55 |
+05:17:39.9 |
HIP 111808 |
25.74 |
| 2026-03-29 00:00 |
22:37:52.61 |
+05:18:49.2 |
HIP 111808 |
25.12 |
| 2026-03-29 12:00 |
22:38:02.63 |
+05:19:58.7 |
HIP 111808 |
24.79 |
| 2026-03-30 00:00 |
22:38:12.62 |
+05:21:08.1 |
HIP 111808 |
24.78 |
| 2026-03-30 12:00 |
22:38:22.58 |
+05:22:17.6 |
HIP 111808 |
25.06 |
| 2026-03-31 00:00 |
22:38:32.50 |
+05:23:27.2 |
HIP 111808 |
25.65 |
| 2026-03-31 12:00 |
22:38:42.38 |
+05:24:36.8 |
HIP 111808 |
26.50 |
| 2026-04-01 00:00 |
22:38:52.22 |
+05:25:46.4 |
HIP 111808 |
27.59 |
| 2026-04-01 12:00 |
22:39:02.03 |
+05:26:56.1 |
HIP 111808 |
28.90 |
| 2026-04-02 00:00 |
22:39:11.80 |
+05:28:05.8 |
HIP 111808 |
30.39 |
| 2026-04-02 12:00 |
22:39:21.54 |
+05:29:15.6 |
HIP 111808 |
32.04 |
| 2026-04-03 00:00 |
22:39:31.23 |
+05:30:25.3 |
HIP 111808 |
33.82 |
| 2026-04-03 12:00 |
22:39:40.89 |
+05:31:35.1 |
HIP 111724 |
35.27 |
| 2026-04-04 00:00 |
22:39:50.51 |
+05:32:44.9 |
HIP 111724 |
36.42 |
| 2026-04-04 12:00 |
22:40:00.09 |
+05:33:54.7 |
HIP 111724 |
37.71 |
| 2026-04-05 00:00 |
22:40:09.63 |
+05:35:04.5 |
HIP 112118 |
37.41 |
| 2026-04-05 12:00 |
22:40:19.13 |
+05:36:14.3 |
HIP 112118 |
34.87 |
| 2026-04-06 00:00 |
22:40:28.58 |
+05:37:24.1 |
HIP 112118 |
32.36 |
| 2026-04-06 12:00 |
22:40:38.00 |
+05:38:34.0 |
HIP 112118 |
29.89 |
| 2026-04-07 00:00 |
22:40:47.38 |
+05:39:43.8 |
HIP 112118 |
27.44 |
| 2026-04-07 12:00 |
22:40:56.71 |
+05:40:53.6 |
HIP 112118 |
25.05 |
| 2026-04-08 00:00 |
22:41:06.00 |
+05:42:03.4 |
HIP 112118 |
22.70 |
| 2026-04-08 12:00 |
22:41:15.25 |
+05:43:13.2 |
HIP 112118 |
20.43 |
| 2026-04-09 00:00 |
22:41:24.46 |
+05:44:23.0 |
HIP 112118 |
18.25 |
| 2026-04-09 12:00 |
22:41:33.62 |
+05:45:32.8 |
HIP 112118 |
16.19 |
| 2026-04-10 00:00 |
22:41:42.74 |
+05:46:42.5 |
HIP 112118 |
14.31 |
| 2026-04-10 12:00 |
22:41:51.81 |
+05:47:52.2 |
HIP 112118 |
12.67 |
| 2026-04-11 00:00 |
22:42:00.84 |
+05:49:01.9 |
HIP 112118 |
11.38 |
| 2026-04-11 12:00 |
22:42:09.82 |
+05:50:11.5 |
HIP 112118 |
10.55 |
| 2026-04-12 00:00 |
22:42:18.76 |
+05:51:21.1 |
HIP 112118 |
10.29 |
| 2026-04-12 12:00 |
22:42:27.65 |
+05:52:30.7 |
HIP 112118 |
10.63 |
| 2026-04-13 00:00 |
22:42:36.50 |
+05:53:40.2 |
HIP 112118 |
11.52 |
| 2026-04-13 12:00 |
22:42:45.29 |
+05:54:49.6 |
HIP 112118 |
12.83 |
| 2026-04-14 00:00 |
22:42:54.04 |
+05:55:59.0 |
HIP 112118 |
14.45 |
| 2026-04-14 12:00 |
22:43:02.74 |
+05:57:08.4 |
HIP 112118 |
16.27 |
| 2026-04-15 00:00 |
22:43:11.40 |
+05:58:17.6 |
HIP 112118 |
18.24 |
| 2026-04-15 12:00 |
22:43:20.00 |
+05:59:26.9 |
HIP 112118 |
20.30 |
| 2026-04-16 00:00 |
22:43:28.55 |
+06:00:36.0 |
HIP 112118 |
22.43 |