C/2009 T3 (LINEAR)
메타데이터
| 항목 |
값 |
| Designation |
C/2009 T3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-01-12T01:21:23.293440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:35Z |
| Obs used |
401 |
| NEO |
- |
| M1 |
13.600 |
| K1 |
8.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2009-12-02.0000000 |
| e |
0.99947085 |
| q (au) |
2.281140 |
| a (au) |
4310.962625 |
| i (deg) |
148.741818 |
| Ω (om, deg) |
60.093017 |
| ω (w, deg) |
32.447789 |
| M (ma, deg) |
359.999857 |
밝기
산란 + 전체 선형
$$
M_a = (12.720 + 3.596\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.720 |
| n |
3.596 |
| gf |
1.000 |
| gb |
-0.724 |
| k |
0.998 |
| δ90 |
9.993 |
| 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 |
15:49:06.57 |
-21:16:53.0 |
HIP 77539 |
17.12 |
| 2026-02-03 12:00 |
15:49:07.34 |
-21:16:58.3 |
HIP 77539 |
16.94 |
| 2026-02-04 00:00 |
15:49:08.08 |
-21:17:03.4 |
HIP 77539 |
16.76 |
| 2026-02-04 12:00 |
15:49:08.78 |
-21:17:08.5 |
HIP 77539 |
16.58 |
| 2026-02-05 00:00 |
15:49:09.46 |
-21:17:13.5 |
HIP 77539 |
16.42 |
| 2026-02-05 12:00 |
15:49:10.10 |
-21:17:18.3 |
HIP 77539 |
16.26 |
| 2026-02-06 00:00 |
15:49:10.71 |
-21:17:23.1 |
HIP 77539 |
16.10 |
| 2026-02-06 12:00 |
15:49:11.30 |
-21:17:27.8 |
HIP 77539 |
15.95 |
| 2026-02-07 00:00 |
15:49:11.85 |
-21:17:32.4 |
HIP 77539 |
15.81 |
| 2026-02-07 12:00 |
15:49:12.37 |
-21:17:36.9 |
HIP 77539 |
15.68 |
| 2026-02-08 00:00 |
15:49:12.85 |
-21:17:41.3 |
HIP 77539 |
15.55 |
| 2026-02-08 12:00 |
15:49:13.31 |
-21:17:45.7 |
HIP 77539 |
15.42 |
| 2026-02-09 00:00 |
15:49:13.73 |
-21:17:49.9 |
HIP 77539 |
15.30 |
| 2026-02-09 12:00 |
15:49:14.12 |
-21:17:54.0 |
HIP 77539 |
15.19 |
| 2026-02-10 00:00 |
15:49:14.49 |
-21:17:58.0 |
HIP 77539 |
15.09 |
| 2026-02-10 12:00 |
15:49:14.81 |
-21:18:02.0 |
HIP 77539 |
14.99 |
| 2026-02-11 00:00 |
15:49:15.11 |
-21:18:05.8 |
HIP 77539 |
14.89 |
| 2026-02-11 12:00 |
15:49:15.37 |
-21:18:09.6 |
HIP 77539 |
14.81 |
| 2026-02-12 00:00 |
15:49:15.61 |
-21:18:13.2 |
HIP 77539 |
14.73 |
| 2026-02-12 12:00 |
15:49:15.81 |
-21:18:16.8 |
HIP 77539 |
14.65 |
| 2026-02-13 00:00 |
15:49:15.98 |
-21:18:20.2 |
HIP 77539 |
14.58 |
| 2026-02-13 12:00 |
15:49:16.11 |
-21:18:23.6 |
HIP 77539 |
14.52 |
| 2026-02-14 00:00 |
15:49:16.21 |
-21:18:26.8 |
HIP 77539 |
14.46 |
| 2026-02-14 12:00 |
15:49:16.29 |
-21:18:30.0 |
HIP 77539 |
14.41 |
| 2026-02-15 00:00 |
15:49:16.32 |
-21:18:33.1 |
HIP 77539 |
14.37 |
| 2026-02-15 12:00 |
15:49:16.33 |
-21:18:36.0 |
HIP 77539 |
14.33 |
| 2026-02-16 00:00 |
15:49:16.30 |
-21:18:38.9 |
HIP 77539 |
14.30 |
| 2026-02-16 12:00 |
15:49:16.24 |
-21:18:41.7 |
HIP 77539 |
14.27 |
| 2026-02-17 00:00 |
15:49:16.15 |
-21:18:44.3 |
HIP 77539 |
14.25 |
| 2026-02-17 12:00 |
15:49:16.03 |
-21:18:46.9 |
HIP 77539 |
14.24 |
| 2026-02-18 00:00 |
15:49:15.87 |
-21:18:49.4 |
HIP 77539 |
14.23 |
| 2026-02-18 12:00 |
15:49:15.68 |
-21:18:51.8 |
HIP 77539 |
14.23 |
| 2026-02-19 00:00 |
15:49:15.46 |
-21:18:54.0 |
HIP 77539 |
14.24 |
| 2026-02-19 12:00 |
15:49:15.20 |
-21:18:56.2 |
HIP 77539 |
14.25 |
| 2026-02-20 00:00 |
15:49:14.92 |
-21:18:58.3 |
HIP 77539 |
14.27 |
| 2026-02-20 12:00 |
15:49:14.60 |
-21:19:00.3 |
HIP 77539 |
14.30 |
| 2026-02-21 00:00 |
15:49:14.24 |
-21:19:02.1 |
HIP 77539 |
14.33 |
| 2026-02-21 12:00 |
15:49:13.86 |
-21:19:03.9 |
HIP 77539 |
14.37 |
| 2026-02-22 00:00 |
15:49:13.44 |
-21:19:05.6 |
HIP 77539 |
14.42 |
| 2026-02-22 12:00 |
15:49:12.99 |
-21:19:07.2 |
HIP 77539 |
14.47 |
| 2026-02-23 00:00 |
15:49:12.50 |
-21:19:08.6 |
HIP 77539 |
14.53 |
| 2026-02-23 12:00 |
15:49:11.99 |
-21:19:10.0 |
HIP 77539 |
14.60 |
| 2026-02-24 00:00 |
15:49:11.44 |
-21:19:11.3 |
HIP 77539 |
14.68 |