C/1999 T3 (LINEAR)
메타데이터
| 항목 |
값 |
| Designation |
C/1999 T3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2000-08-30T08:59:22.329600Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:02Z |
| Obs used |
227 |
| NEO |
- |
| M1 |
10.800 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2000-02-09.0000000 |
| e |
1.00305659 |
| q (au) |
5.368403 |
| a (au) |
-1756.337617 |
| i (deg) |
104.759114 |
| Ω (om, deg) |
223.515431 |
| ω (w, deg) |
211.096887 |
| M (ma, deg) |
-0.002723 |
밝기
산란 + 전체 선형
$$
M_a = (5.494 + 4.236\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
5.494 |
| n |
4.236 |
| gf |
0.998 |
| gb |
-0.963 |
| k |
1.000 |
| δ90 |
9.999 |
| 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) |
| 2026-02-03 00:00 |
14:47:53.73 |
-25:37:50.7 |
HIP 72323 |
7.04 |
| 2026-02-03 12:00 |
14:47:53.77 |
-25:37:54.6 |
HIP 72323 |
7.05 |
| 2026-02-04 00:00 |
14:47:53.78 |
-25:37:58.4 |
HIP 72323 |
7.06 |
| 2026-02-04 12:00 |
14:47:53.77 |
-25:38:02.0 |
HIP 72323 |
7.06 |
| 2026-02-05 00:00 |
14:47:53.74 |
-25:38:05.6 |
HIP 72323 |
7.06 |
| 2026-02-05 12:00 |
14:47:53.68 |
-25:38:09.0 |
HIP 72323 |
7.05 |
| 2026-02-06 00:00 |
14:47:53.59 |
-25:38:12.3 |
HIP 72323 |
7.03 |
| 2026-02-06 12:00 |
14:47:53.48 |
-25:38:15.6 |
HIP 72323 |
7.02 |
| 2026-02-07 00:00 |
14:47:53.34 |
-25:38:18.7 |
HIP 72323 |
6.99 |
| 2026-02-07 12:00 |
14:47:53.18 |
-25:38:21.7 |
HIP 72323 |
6.96 |
| 2026-02-08 00:00 |
14:47:52.99 |
-25:38:24.6 |
HIP 72323 |
6.93 |
| 2026-02-08 12:00 |
14:47:52.78 |
-25:38:27.4 |
HIP 72323 |
6.88 |
| 2026-02-09 00:00 |
14:47:52.54 |
-25:38:30.1 |
HIP 72323 |
6.84 |
| 2026-02-09 12:00 |
14:47:52.27 |
-25:38:32.7 |
HIP 72323 |
6.79 |
| 2026-02-10 00:00 |
14:47:51.98 |
-25:38:35.2 |
HIP 72323 |
6.73 |
| 2026-02-10 12:00 |
14:47:51.67 |
-25:38:37.5 |
HIP 72323 |
6.66 |
| 2026-02-11 00:00 |
14:47:51.33 |
-25:38:39.8 |
HIP 72323 |
6.60 |
| 2026-02-11 12:00 |
14:47:50.96 |
-25:38:41.9 |
HIP 72323 |
6.52 |
| 2026-02-12 00:00 |
14:47:50.57 |
-25:38:44.0 |
HIP 72323 |
6.44 |
| 2026-02-12 12:00 |
14:47:50.16 |
-25:38:45.9 |
HIP 72323 |
6.36 |
| 2026-02-13 00:00 |
14:47:49.71 |
-25:38:47.7 |
HIP 72323 |
6.27 |
| 2026-02-13 12:00 |
14:47:49.25 |
-25:38:49.4 |
HIP 72323 |
6.17 |
| 2026-02-14 00:00 |
14:47:48.75 |
-25:38:51.0 |
HIP 72323 |
6.07 |
| 2026-02-14 12:00 |
14:47:48.24 |
-25:38:52.4 |
HIP 72323 |
5.96 |
| 2026-02-15 00:00 |
14:47:47.69 |
-25:38:53.8 |
HIP 72323 |
5.85 |
| 2026-02-15 12:00 |
14:47:47.13 |
-25:38:55.0 |
HIP 72323 |
5.73 |
| 2026-02-16 00:00 |
14:47:46.53 |
-25:38:56.1 |
HIP 72323 |
5.60 |
| 2026-02-16 12:00 |
14:47:45.92 |
-25:38:57.1 |
HIP 72323 |
5.47 |
| 2026-02-17 00:00 |
14:47:45.27 |
-25:38:58.0 |
HIP 72323 |
5.34 |
| 2026-02-17 12:00 |
14:47:44.60 |
-25:38:58.8 |
HIP 72323 |
5.20 |
| 2026-02-18 00:00 |
14:47:43.91 |
-25:38:59.5 |
HIP 72323 |
5.05 |
| 2026-02-18 12:00 |
14:47:43.19 |
-25:39:00.0 |
HIP 72323 |
4.90 |
| 2026-02-19 00:00 |
14:47:42.45 |
-25:39:00.4 |
HIP 72323 |
4.74 |
| 2026-02-19 12:00 |
14:47:41.68 |
-25:39:00.7 |
HIP 72323 |
4.58 |
| 2026-02-20 00:00 |
14:47:40.89 |
-25:39:00.9 |
HIP 72323 |
4.42 |
| 2026-02-20 12:00 |
14:47:40.07 |
-25:39:01.0 |
HIP 72323 |
4.24 |
| 2026-02-21 00:00 |
14:47:39.23 |
-25:39:00.9 |
HIP 72323 |
4.07 |
| 2026-02-21 12:00 |
14:47:38.36 |
-25:39:00.8 |
HIP 72323 |
3.89 |
| 2026-02-22 00:00 |
14:47:37.47 |
-25:39:00.5 |
HIP 72323 |
3.70 |
| 2026-02-22 12:00 |
14:47:36.56 |
-25:39:00.1 |
HIP 72323 |
3.51 |
| 2026-02-23 00:00 |
14:47:35.62 |
-25:38:59.5 |
HIP 72323 |
3.32 |
| 2026-02-23 12:00 |
14:47:34.65 |
-25:38:58.9 |
HIP 72323 |
3.12 |
| 2026-02-24 00:00 |
14:47:33.67 |
-25:38:58.1 |
HIP 72323 |
2.93 |