메타데이터
| 항목 |
값 |
| Designation |
C/2010 L5 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-04-23T03:55:12.714240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
34 |
| NEO |
Yes |
| M1 |
18.900 |
| K1 |
4.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-07-02.0000000 |
| e |
0.90421394 |
| q (au) |
0.791169 |
| a (au) |
8.259755 |
| i (deg) |
147.048942 |
| Ω (om, deg) |
206.472272 |
| ω (w, deg) |
214.763588 |
| M (ma, deg) |
2.899591 |
밝기
산란 + 전체 선형
$$
M_a = (17.711 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.711 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.597 |
| k |
0.800 |
| 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) |
| 2026-09-20 00:00 |
11:53:01.04 |
+23:13:48.6 |
HIP 57930 |
33.07 |
| 2026-09-20 12:00 |
11:53:08.34 |
+23:13:13.0 |
HIP 57930 |
33.79 |
| 2026-09-21 00:00 |
11:53:15.64 |
+23:12:37.8 |
HIP 57930 |
34.59 |
| 2026-09-21 12:00 |
11:53:22.94 |
+23:12:02.9 |
HIP 57930 |
35.45 |
| 2026-09-22 00:00 |
11:53:30.24 |
+23:11:28.4 |
HIP 57930 |
36.37 |
| 2026-09-22 12:00 |
11:53:37.55 |
+23:10:54.2 |
HIP 57930 |
37.35 |
| 2026-09-23 00:00 |
11:53:44.85 |
+23:10:20.4 |
HIP 57930 |
38.38 |
| 2026-09-23 12:00 |
11:53:52.15 |
+23:09:46.9 |
HIP 57930 |
39.45 |
| 2026-09-24 00:00 |
11:53:59.46 |
+23:09:13.8 |
HIP 58164 |
38.87 |
| 2026-09-24 12:00 |
11:54:06.76 |
+23:08:41.0 |
HIP 58164 |
37.42 |
| 2026-09-25 00:00 |
11:54:14.06 |
+23:08:08.7 |
HIP 58164 |
36.00 |
| 2026-09-25 12:00 |
11:54:21.35 |
+23:07:36.6 |
HIP 58164 |
34.62 |
| 2026-09-26 00:00 |
11:54:28.65 |
+23:07:05.0 |
HIP 58164 |
33.28 |
| 2026-09-26 12:00 |
11:54:35.94 |
+23:06:33.7 |
HIP 58164 |
31.99 |
| 2026-09-27 00:00 |
11:54:43.23 |
+23:06:02.9 |
HIP 58164 |
30.75 |
| 2026-09-27 12:00 |
11:54:50.51 |
+23:05:32.3 |
HIP 58164 |
29.57 |
| 2026-09-28 00:00 |
11:54:57.80 |
+23:05:02.2 |
HIP 58164 |
28.46 |
| 2026-09-28 12:00 |
11:55:05.07 |
+23:04:32.5 |
HIP 58164 |
27.42 |
| 2026-09-29 00:00 |
11:55:12.34 |
+23:04:03.1 |
HIP 58164 |
26.45 |
| 2026-09-29 12:00 |
11:55:19.61 |
+23:03:34.2 |
HIP 58164 |
25.58 |
| 2026-09-30 00:00 |
11:55:26.87 |
+23:03:05.6 |
HIP 58164 |
24.81 |
| 2026-09-30 12:00 |
11:55:34.12 |
+23:02:37.4 |
HIP 58164 |
24.14 |
| 2026-10-01 00:00 |
11:55:41.37 |
+23:02:09.6 |
HIP 58300 |
22.80 |
| 2026-10-01 12:00 |
11:55:48.61 |
+23:01:42.3 |
HIP 58300 |
21.09 |
| 2026-10-02 00:00 |
11:55:55.84 |
+23:01:15.3 |
HIP 58300 |
19.38 |
| 2026-10-02 12:00 |
11:56:03.07 |
+23:00:48.7 |
HIP 58300 |
17.67 |
| 2026-10-03 00:00 |
11:56:10.29 |
+23:00:22.6 |
HIP 58300 |
15.97 |
| 2026-10-03 12:00 |
11:56:17.49 |
+22:59:56.8 |
HIP 58300 |
14.28 |
| 2026-10-04 00:00 |
11:56:24.69 |
+22:59:31.5 |
HIP 58300 |
12.59 |
| 2026-10-04 12:00 |
11:56:31.88 |
+22:59:06.6 |
HIP 58300 |
10.91 |
| 2026-10-05 00:00 |
11:56:39.06 |
+22:58:42.1 |
HIP 58300 |
9.25 |
| 2026-10-05 12:00 |
11:56:46.22 |
+22:58:18.1 |
HIP 58300 |
7.61 |
| 2026-10-06 00:00 |
11:56:53.38 |
+22:57:54.4 |
HIP 58300 |
5.99 |
| 2026-10-06 12:00 |
11:57:00.52 |
+22:57:31.2 |
HIP 58300 |
4.44 |
| 2026-10-07 00:00 |
11:57:07.66 |
+22:57:08.5 |
HIP 58300 |
3.04 |
| 2026-10-07 12:00 |
11:57:14.77 |
+22:56:46.1 |
HIP 58300 |
2.09 |
| 2026-10-08 00:00 |
11:57:21.88 |
+22:56:24.3 |
HIP 58300 |
2.27 |
| 2026-10-08 12:00 |
11:57:28.97 |
+22:56:02.8 |
HIP 58300 |
3.39 |
| 2026-10-09 00:00 |
11:57:36.05 |
+22:55:41.8 |
HIP 58300 |
4.83 |
| 2026-10-09 12:00 |
11:57:43.11 |
+22:55:21.3 |
HIP 58300 |
6.38 |
| 2026-10-10 00:00 |
11:57:50.16 |
+22:55:01.2 |
HIP 58300 |
7.96 |
| 2026-10-10 12:00 |
11:57:57.19 |
+22:54:41.6 |
HIP 58300 |
9.57 |
| 2026-10-11 00:00 |
11:58:04.20 |
+22:54:22.4 |
HIP 58300 |
11.18 |