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) |
| 2026-09-20 00:00 |
19:42:35.74 |
-10:02:47.1 |
HIP 96916 |
8.74 |
| 2026-09-20 12:00 |
19:42:33.99 |
-10:03:04.1 |
HIP 96916 |
8.25 |
| 2026-09-21 00:00 |
19:42:32.28 |
-10:03:21.1 |
HIP 96916 |
7.76 |
| 2026-09-21 12:00 |
19:42:30.61 |
-10:03:38.0 |
HIP 96916 |
7.29 |
| 2026-09-22 00:00 |
19:42:28.97 |
-10:03:54.8 |
HIP 96916 |
6.83 |
| 2026-09-22 12:00 |
19:42:27.38 |
-10:04:11.6 |
HIP 96916 |
6.39 |
| 2026-09-23 00:00 |
19:42:25.82 |
-10:04:28.3 |
HIP 96916 |
5.96 |
| 2026-09-23 12:00 |
19:42:24.31 |
-10:04:45.0 |
HIP 96916 |
5.54 |
| 2026-09-24 00:00 |
19:42:22.83 |
-10:05:01.6 |
HIP 96916 |
5.15 |
| 2026-09-24 12:00 |
19:42:21.39 |
-10:05:18.1 |
HIP 96916 |
4.78 |
| 2026-09-25 00:00 |
19:42:19.99 |
-10:05:34.6 |
HIP 96916 |
4.43 |
| 2026-09-25 12:00 |
19:42:18.63 |
-10:05:51.0 |
HIP 96916 |
4.11 |
| 2026-09-26 00:00 |
19:42:17.31 |
-10:06:07.3 |
HIP 96916 |
3.82 |
| 2026-09-26 12:00 |
19:42:16.03 |
-10:06:23.6 |
HIP 96916 |
3.56 |
| 2026-09-27 00:00 |
19:42:14.79 |
-10:06:39.8 |
HIP 96916 |
3.35 |
| 2026-09-27 12:00 |
19:42:13.59 |
-10:06:55.9 |
HIP 96916 |
3.18 |
| 2026-09-28 00:00 |
19:42:12.43 |
-10:07:11.9 |
HIP 96916 |
3.06 |
| 2026-09-28 12:00 |
19:42:11.31 |
-10:07:27.9 |
HIP 96916 |
3.00 |
| 2026-09-29 00:00 |
19:42:10.23 |
-10:07:43.8 |
HIP 96916 |
2.99 |
| 2026-09-29 12:00 |
19:42:09.19 |
-10:07:59.7 |
HIP 96916 |
3.04 |
| 2026-09-30 00:00 |
19:42:08.19 |
-10:08:15.4 |
HIP 96916 |
3.13 |
| 2026-09-30 12:00 |
19:42:07.23 |
-10:08:31.1 |
HIP 96916 |
3.26 |
| 2026-10-01 00:00 |
19:42:06.31 |
-10:08:46.7 |
HIP 96916 |
3.42 |
| 2026-10-01 12:00 |
19:42:05.43 |
-10:09:02.3 |
HIP 96916 |
3.61 |
| 2026-10-02 00:00 |
19:42:04.59 |
-10:09:17.7 |
HIP 96916 |
3.82 |
| 2026-10-02 12:00 |
19:42:03.79 |
-10:09:33.1 |
HIP 96916 |
4.05 |
| 2026-10-03 00:00 |
19:42:03.04 |
-10:09:48.4 |
HIP 96916 |
4.29 |
| 2026-10-03 12:00 |
19:42:02.32 |
-10:10:03.6 |
HIP 96916 |
4.53 |
| 2026-10-04 00:00 |
19:42:01.64 |
-10:10:18.7 |
HIP 96916 |
4.79 |
| 2026-10-04 12:00 |
19:42:01.01 |
-10:10:33.7 |
HIP 96916 |
5.04 |
| 2026-10-05 00:00 |
19:42:00.41 |
-10:10:48.7 |
HIP 96916 |
5.30 |
| 2026-10-05 12:00 |
19:41:59.86 |
-10:11:03.6 |
HIP 96916 |
5.56 |
| 2026-10-06 00:00 |
19:41:59.35 |
-10:11:18.3 |
HIP 96916 |
5.82 |
| 2026-10-06 12:00 |
19:41:58.88 |
-10:11:33.0 |
HIP 96916 |
6.07 |
| 2026-10-07 00:00 |
19:41:58.45 |
-10:11:47.6 |
HIP 96916 |
6.33 |
| 2026-10-07 12:00 |
19:41:58.06 |
-10:12:02.1 |
HIP 96916 |
6.58 |
| 2026-10-08 00:00 |
19:41:57.71 |
-10:12:16.5 |
HIP 96916 |
6.83 |
| 2026-10-08 12:00 |
19:41:57.40 |
-10:12:30.8 |
HIP 96916 |
7.08 |
| 2026-10-09 00:00 |
19:41:57.14 |
-10:12:45.0 |
HIP 96916 |
7.32 |
| 2026-10-09 12:00 |
19:41:56.92 |
-10:12:59.1 |
HIP 96916 |
7.56 |
| 2026-10-10 00:00 |
19:41:56.73 |
-10:13:13.1 |
HIP 96916 |
7.80 |
| 2026-10-10 12:00 |
19:41:56.59 |
-10:13:27.0 |
HIP 96916 |
8.03 |
| 2026-10-11 00:00 |
19:41:56.49 |
-10:13:40.8 |
HIP 96916 |
8.27 |