메타데이터
| 항목 |
값 |
| Designation |
C/2015 TQ209 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2016-08-27T14:18:38.540160Z |
| Orbit solution date (soln_date, UTC) |
2022-07-06T03:12:21Z |
| Obs used |
406 |
| NEO |
- |
| M1 |
10.900 |
| K1 |
8.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2015-12-20.0000000 |
| e |
0.99892368 |
| q (au) |
1.413143 |
| a (au) |
1312.933283 |
| i (deg) |
11.392694 |
| Ω (om, deg) |
224.083104 |
| ω (w, deg) |
281.506087 |
| M (ma, deg) |
359.994788 |
밝기
산란 + 전체 선형
$$
M_a = (H_0 + n\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
- |
| n |
- |
| gf |
- |
| gb |
- |
| k |
- |
| δ90 |
- |
| 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) |
| 2026-06-01 00:00 |
19:56:40.13 |
-09:19:03.4 |
HIP 98179 |
12.74 |
| 2026-06-01 12:00 |
19:56:37.09 |
-09:19:01.2 |
HIP 98179 |
13.13 |
| 2026-06-02 00:00 |
19:56:34.01 |
-09:18:59.1 |
HIP 98179 |
13.55 |
| 2026-06-02 12:00 |
19:56:30.90 |
-09:18:57.2 |
HIP 98179 |
14.00 |
| 2026-06-03 00:00 |
19:56:27.76 |
-09:18:55.5 |
HIP 98179 |
14.50 |
| 2026-06-03 12:00 |
19:56:24.60 |
-09:18:54.0 |
HIP 98179 |
15.02 |
| 2026-06-04 00:00 |
19:56:21.40 |
-09:18:52.6 |
HIP 98179 |
15.57 |
| 2026-06-04 12:00 |
19:56:18.17 |
-09:18:51.4 |
HIP 98179 |
16.15 |
| 2026-06-05 00:00 |
19:56:14.91 |
-09:18:50.3 |
HIP 98179 |
16.75 |
| 2026-06-05 12:00 |
19:56:11.62 |
-09:18:49.4 |
HIP 98179 |
17.38 |
| 2026-06-06 00:00 |
19:56:08.30 |
-09:18:48.7 |
HIP 98179 |
18.03 |
| 2026-06-06 12:00 |
19:56:04.96 |
-09:18:48.2 |
HIP 98179 |
18.70 |
| 2026-06-07 00:00 |
19:56:01.58 |
-09:18:47.8 |
HIP 98179 |
19.39 |
| 2026-06-07 12:00 |
19:55:58.18 |
-09:18:47.6 |
HIP 98179 |
20.10 |
| 2026-06-08 00:00 |
19:55:54.75 |
-09:18:47.6 |
HIP 98179 |
20.82 |
| 2026-06-08 12:00 |
19:55:51.29 |
-09:18:47.7 |
HIP 98179 |
21.56 |
| 2026-06-09 00:00 |
19:55:47.80 |
-09:18:48.1 |
HIP 98179 |
22.32 |
| 2026-06-09 12:00 |
19:55:44.28 |
-09:18:48.5 |
HIP 98179 |
23.09 |
| 2026-06-10 00:00 |
19:55:40.74 |
-09:18:49.2 |
HIP 98179 |
23.88 |
| 2026-06-10 12:00 |
19:55:37.17 |
-09:18:50.0 |
HIP 98179 |
24.68 |
| 2026-06-11 00:00 |
19:55:33.57 |
-09:18:51.0 |
HIP 98179 |
25.49 |
| 2026-06-11 12:00 |
19:55:29.95 |
-09:18:52.2 |
HIP 98179 |
26.31 |
| 2026-06-12 00:00 |
19:55:26.30 |
-09:18:53.5 |
HIP 98179 |
27.15 |
| 2026-06-12 12:00 |
19:55:22.63 |
-09:18:55.0 |
HIP 98179 |
27.99 |
| 2026-06-13 00:00 |
19:55:18.93 |
-09:18:56.7 |
HIP 98179 |
28.85 |
| 2026-06-13 12:00 |
19:55:15.20 |
-09:18:58.5 |
HIP 98179 |
29.71 |
| 2026-06-14 00:00 |
19:55:11.45 |
-09:19:00.6 |
HIP 98179 |
30.59 |
| 2026-06-14 12:00 |
19:55:07.68 |
-09:19:02.8 |
HIP 98179 |
31.48 |
| 2026-06-15 00:00 |
19:55:03.88 |
-09:19:05.1 |
HIP 98179 |
32.37 |
| 2026-06-15 12:00 |
19:55:00.06 |
-09:19:07.6 |
HIP 98179 |
33.28 |
| 2026-06-16 00:00 |
19:54:56.21 |
-09:19:10.3 |
HIP 98179 |
34.19 |
| 2026-06-16 12:00 |
19:54:52.34 |
-09:19:13.2 |
HIP 98179 |
35.11 |
| 2026-06-17 00:00 |
19:54:48.45 |
-09:19:16.2 |
HIP 98179 |
36.04 |
| 2026-06-17 12:00 |
19:54:44.54 |
-09:19:19.4 |
HIP 98179 |
36.98 |
| 2026-06-18 00:00 |
19:54:40.60 |
-09:19:22.8 |
HIP 98179 |
37.92 |
| 2026-06-18 12:00 |
19:54:36.64 |
-09:19:26.3 |
HIP 98179 |
38.87 |
| 2026-06-19 00:00 |
19:54:32.66 |
-09:19:30.0 |
HIP 98179 |
39.83 |
| 2026-06-19 12:00 |
19:54:28.66 |
-09:19:33.9 |
HIP 98179 |
40.80 |
| 2026-06-20 00:00 |
19:54:24.64 |
-09:19:37.9 |
HIP 98179 |
41.77 |
| 2026-06-20 12:00 |
19:54:20.60 |
-09:19:42.1 |
HIP 98179 |
42.75 |
| 2026-06-21 00:00 |
19:54:16.54 |
-09:19:46.5 |
HIP 98179 |
43.73 |
| 2026-06-21 12:00 |
19:54:12.46 |
-09:19:51.0 |
HIP 97701 |
44.01 |
| 2026-06-22 00:00 |
19:54:08.36 |
-09:19:55.7 |
HIP 97701 |
43.01 |