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 |
-0.500 |
| 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) |
| 2026-03-26 00:00 |
13:43:28.82 |
-68:06:52.1 |
HIP 66816 |
9.88 |
| 2026-03-26 12:00 |
13:43:22.58 |
-68:06:57.2 |
HIP 66816 |
9.32 |
| 2026-03-27 00:00 |
13:43:16.32 |
-68:07:01.9 |
HIP 66816 |
8.76 |
| 2026-03-27 12:00 |
13:43:10.04 |
-68:07:06.3 |
HIP 66816 |
8.19 |
| 2026-03-28 00:00 |
13:43:03.73 |
-68:07:10.4 |
HIP 66816 |
7.63 |
| 2026-03-28 12:00 |
13:42:57.40 |
-68:07:14.2 |
HIP 66816 |
7.07 |
| 2026-03-29 00:00 |
13:42:51.05 |
-68:07:17.6 |
HIP 66816 |
6.51 |
| 2026-03-29 12:00 |
13:42:44.68 |
-68:07:20.7 |
HIP 66816 |
5.96 |
| 2026-03-30 00:00 |
13:42:38.29 |
-68:07:23.5 |
HIP 66816 |
5.41 |
| 2026-03-30 12:00 |
13:42:31.88 |
-68:07:26.0 |
HIP 66816 |
4.87 |
| 2026-03-31 00:00 |
13:42:25.45 |
-68:07:28.1 |
HIP 66816 |
4.34 |
| 2026-03-31 12:00 |
13:42:19.00 |
-68:07:29.9 |
HIP 66816 |
3.83 |
| 2026-04-01 00:00 |
13:42:12.53 |
-68:07:31.4 |
HIP 66816 |
3.34 |
| 2026-04-01 12:00 |
13:42:06.04 |
-68:07:32.6 |
HIP 66816 |
2.89 |
| 2026-04-02 00:00 |
13:41:59.54 |
-68:07:33.4 |
HIP 66816 |
2.50 |
| 2026-04-02 12:00 |
13:41:53.01 |
-68:07:33.9 |
HIP 66816 |
2.21 |
| 2026-04-03 00:00 |
13:41:46.48 |
-68:07:34.1 |
HIP 66816 |
2.05 |
| 2026-04-03 12:00 |
13:41:39.92 |
-68:07:34.0 |
HIP 66816 |
2.07 |
| 2026-04-04 00:00 |
13:41:33.36 |
-68:07:33.5 |
HIP 66816 |
2.25 |
| 2026-04-04 12:00 |
13:41:26.77 |
-68:07:32.7 |
HIP 66816 |
2.56 |
| 2026-04-05 00:00 |
13:41:20.18 |
-68:07:31.6 |
HIP 66816 |
2.97 |
| 2026-04-05 12:00 |
13:41:13.57 |
-68:07:30.2 |
HIP 66816 |
3.44 |
| 2026-04-06 00:00 |
13:41:06.94 |
-68:07:28.4 |
HIP 66816 |
3.94 |
| 2026-04-06 12:00 |
13:41:00.31 |
-68:07:26.3 |
HIP 66816 |
4.48 |
| 2026-04-07 00:00 |
13:40:53.66 |
-68:07:23.8 |
HIP 66816 |
5.03 |
| 2026-04-07 12:00 |
13:40:47.00 |
-68:07:21.1 |
HIP 66816 |
5.60 |
| 2026-04-08 00:00 |
13:40:40.33 |
-68:07:18.0 |
HIP 66816 |
6.17 |
| 2026-04-08 12:00 |
13:40:33.66 |
-68:07:14.6 |
HIP 66816 |
6.76 |
| 2026-04-09 00:00 |
13:40:26.97 |
-68:07:10.8 |
HIP 66816 |
7.35 |
| 2026-04-09 12:00 |
13:40:20.27 |
-68:07:06.8 |
HIP 66816 |
7.94 |
| 2026-04-10 00:00 |
13:40:13.57 |
-68:07:02.4 |
HIP 66816 |
8.54 |
| 2026-04-10 12:00 |
13:40:06.85 |
-68:06:57.7 |
HIP 66816 |
9.15 |
| 2026-04-11 00:00 |
13:40:00.13 |
-68:06:52.6 |
HIP 66816 |
9.76 |
| 2026-04-11 12:00 |
13:39:53.41 |
-68:06:47.2 |
HIP 66816 |
10.37 |
| 2026-04-12 00:00 |
13:39:46.68 |
-68:06:41.5 |
HIP 66816 |
10.98 |
| 2026-04-12 12:00 |
13:39:39.94 |
-68:06:35.5 |
HIP 66816 |
11.59 |
| 2026-04-13 00:00 |
13:39:33.20 |
-68:06:29.1 |
HIP 66816 |
12.21 |
| 2026-04-13 12:00 |
13:39:26.46 |
-68:06:22.4 |
HIP 66816 |
12.83 |
| 2026-04-14 00:00 |
13:39:19.71 |
-68:06:15.4 |
HIP 66816 |
13.45 |
| 2026-04-14 12:00 |
13:39:12.96 |
-68:06:08.1 |
HIP 66816 |
14.08 |
| 2026-04-15 00:00 |
13:39:06.20 |
-68:06:00.4 |
HIP 66565 |
14.23 |
| 2026-04-15 12:00 |
13:38:59.45 |
-68:05:52.4 |
HIP 66565 |
14.02 |
| 2026-04-16 00:00 |
13:38:52.69 |
-68:05:44.1 |
HIP 66565 |
13.82 |