메타데이터
| 항목 |
값 |
| Designation |
C/2003 T2 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-11-14T00:39:55.854720Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:34Z |
| Obs used |
442 |
| NEO |
- |
| M1 |
10.400 |
| K1 |
24.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-11-29.0000000 |
| e |
0.99974064 |
| q (au) |
1.786356 |
| a (au) |
6887.427569 |
| i (deg) |
87.531639 |
| Ω (om, deg) |
238.532615 |
| ω (w, deg) |
152.233201 |
| M (ma, deg) |
0.000026 |
밝기
산란 + 전체 선형
$$
M_a = (12.724 + 4.479\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.724 |
| n |
4.479 |
| gf |
1.000 |
| gb |
-0.505 |
| 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) |
| 2026-09-20 00:00 |
13:33:39.71 |
-65:44:41.8 |
HIP 66152 |
6.75 |
| 2026-09-20 12:00 |
13:33:45.33 |
-65:44:32.5 |
HIP 66152 |
6.65 |
| 2026-09-21 00:00 |
13:33:50.96 |
-65:44:23.5 |
HIP 66152 |
6.62 |
| 2026-09-21 12:00 |
13:33:56.62 |
-65:44:14.8 |
HIP 66152 |
6.64 |
| 2026-09-22 00:00 |
13:34:02.30 |
-65:44:06.3 |
HIP 66152 |
6.72 |
| 2026-09-22 12:00 |
13:34:07.99 |
-65:43:58.2 |
HIP 66152 |
6.86 |
| 2026-09-23 00:00 |
13:34:13.71 |
-65:43:50.3 |
HIP 66152 |
7.05 |
| 2026-09-23 12:00 |
13:34:19.45 |
-65:43:42.6 |
HIP 66152 |
7.29 |
| 2026-09-24 00:00 |
13:34:25.21 |
-65:43:35.3 |
HIP 66152 |
7.58 |
| 2026-09-24 12:00 |
13:34:30.98 |
-65:43:28.2 |
HIP 66152 |
7.91 |
| 2026-09-25 00:00 |
13:34:36.78 |
-65:43:21.5 |
HIP 66152 |
8.27 |
| 2026-09-25 12:00 |
13:34:42.59 |
-65:43:14.9 |
HIP 66152 |
8.67 |
| 2026-09-26 00:00 |
13:34:48.43 |
-65:43:08.7 |
HIP 66152 |
9.09 |
| 2026-09-26 12:00 |
13:34:54.28 |
-65:43:02.8 |
HIP 66152 |
9.54 |
| 2026-09-27 00:00 |
13:35:00.15 |
-65:42:57.1 |
HIP 66152 |
10.01 |
| 2026-09-27 12:00 |
13:35:06.03 |
-65:42:51.7 |
HIP 66152 |
10.50 |
| 2026-09-28 00:00 |
13:35:11.93 |
-65:42:46.6 |
HIP 66152 |
11.00 |
| 2026-09-28 12:00 |
13:35:17.85 |
-65:42:41.7 |
HIP 66152 |
11.52 |
| 2026-09-29 00:00 |
13:35:23.79 |
-65:42:37.2 |
HIP 66152 |
12.05 |
| 2026-09-29 12:00 |
13:35:29.74 |
-65:42:32.9 |
HIP 66152 |
12.59 |
| 2026-09-30 00:00 |
13:35:35.70 |
-65:42:28.9 |
HIP 66152 |
13.14 |
| 2026-09-30 12:00 |
13:35:41.69 |
-65:42:25.1 |
HIP 66152 |
13.70 |
| 2026-10-01 00:00 |
13:35:47.68 |
-65:42:21.7 |
HIP 66152 |
14.27 |
| 2026-10-01 12:00 |
13:35:53.70 |
-65:42:18.5 |
HIP 66152 |
14.84 |
| 2026-10-02 00:00 |
13:35:59.72 |
-65:42:15.6 |
HIP 66152 |
15.42 |
| 2026-10-02 12:00 |
13:36:05.76 |
-65:42:13.0 |
HIP 66152 |
16.01 |
| 2026-10-03 00:00 |
13:36:11.82 |
-65:42:10.7 |
HIP 66152 |
16.60 |
| 2026-10-03 12:00 |
13:36:17.88 |
-65:42:08.7 |
HIP 66152 |
17.20 |
| 2026-10-04 00:00 |
13:36:23.96 |
-65:42:06.9 |
HIP 66152 |
17.80 |
| 2026-10-04 12:00 |
13:36:30.06 |
-65:42:05.4 |
HIP 66152 |
18.41 |
| 2026-10-05 00:00 |
13:36:36.16 |
-65:42:04.2 |
HIP 66542 |
18.68 |
| 2026-10-05 12:00 |
13:36:42.28 |
-65:42:03.3 |
HIP 66542 |
18.29 |
| 2026-10-06 00:00 |
13:36:48.41 |
-65:42:02.6 |
HIP 66542 |
17.92 |
| 2026-10-06 12:00 |
13:36:54.55 |
-65:42:02.3 |
HIP 66542 |
17.57 |
| 2026-10-07 00:00 |
13:37:00.70 |
-65:42:02.2 |
HIP 66542 |
17.24 |
| 2026-10-07 12:00 |
13:37:06.86 |
-65:42:02.4 |
HIP 66542 |
16.93 |
| 2026-10-08 00:00 |
13:37:13.03 |
-65:42:02.9 |
HIP 66542 |
16.64 |
| 2026-10-08 12:00 |
13:37:19.21 |
-65:42:03.6 |
HIP 66542 |
16.37 |
| 2026-10-09 00:00 |
13:37:25.40 |
-65:42:04.7 |
HIP 66542 |
16.13 |
| 2026-10-09 12:00 |
13:37:31.60 |
-65:42:06.0 |
HIP 66542 |
15.92 |
| 2026-10-10 00:00 |
13:37:37.80 |
-65:42:07.6 |
HIP 66542 |
15.73 |
| 2026-10-10 12:00 |
13:37:44.02 |
-65:42:09.5 |
HIP 66542 |
15.58 |
| 2026-10-11 00:00 |
13:37:50.24 |
-65:42:11.6 |
HIP 66542 |
15.45 |