메타데이터
| 항목 |
값 |
| Designation |
C/2008 X3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2008-10-10T14:06:11.905920Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:25Z |
| Obs used |
127 |
| NEO |
- |
| M1 |
11.700 |
| K1 |
16.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2009-01-07.0000000 |
| e |
0.95653616 |
| q (au) |
1.902117 |
| a (au) |
43.763220 |
| i (deg) |
66.474978 |
| Ω (om, deg) |
337.751045 |
| ω (w, deg) |
140.801601 |
| M (ma, deg) |
0.300991 |
밝기
산란 + 전체 선형
$$
M_a = (11.351 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.351 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-06-01 00:00 |
22:39:30.19 |
-69:38:32.4 |
HIP 111725 |
23.18 |
| 2026-06-01 12:00 |
22:39:29.85 |
-69:39:16.7 |
HIP 111725 |
23.86 |
| 2026-06-02 00:00 |
22:39:29.44 |
-69:40:01.2 |
HIP 111725 |
24.54 |
| 2026-06-02 12:00 |
22:39:28.94 |
-69:40:45.7 |
HIP 111725 |
25.23 |
| 2026-06-03 00:00 |
22:39:28.37 |
-69:41:30.3 |
HIP 111725 |
25.91 |
| 2026-06-03 12:00 |
22:39:27.71 |
-69:42:14.9 |
HIP 111725 |
26.60 |
| 2026-06-04 00:00 |
22:39:26.96 |
-69:42:59.6 |
HIP 112280 |
26.77 |
| 2026-06-04 12:00 |
22:39:26.14 |
-69:43:44.3 |
HIP 112280 |
26.74 |
| 2026-06-05 00:00 |
22:39:25.23 |
-69:44:29.1 |
HIP 112280 |
26.74 |
| 2026-06-05 12:00 |
22:39:24.25 |
-69:45:14.0 |
HIP 112280 |
26.77 |
| 2026-06-06 00:00 |
22:39:23.18 |
-69:45:58.9 |
HIP 112280 |
26.82 |
| 2026-06-06 12:00 |
22:39:22.02 |
-69:46:43.8 |
HIP 112280 |
26.90 |
| 2026-06-07 00:00 |
22:39:20.79 |
-69:47:28.8 |
HIP 112280 |
27.02 |
| 2026-06-07 12:00 |
22:39:19.47 |
-69:48:13.8 |
HIP 112280 |
27.15 |
| 2026-06-08 00:00 |
22:39:18.07 |
-69:48:58.9 |
HIP 112280 |
27.32 |
| 2026-06-08 12:00 |
22:39:16.58 |
-69:49:43.9 |
HIP 112280 |
27.51 |
| 2026-06-09 00:00 |
22:39:15.01 |
-69:50:29.0 |
HIP 112280 |
27.73 |
| 2026-06-09 12:00 |
22:39:13.36 |
-69:51:14.1 |
HIP 112280 |
27.98 |
| 2026-06-10 00:00 |
22:39:11.63 |
-69:51:59.3 |
HIP 112280 |
28.25 |
| 2026-06-10 12:00 |
22:39:09.81 |
-69:52:44.4 |
HIP 112280 |
28.55 |
| 2026-06-11 00:00 |
22:39:07.91 |
-69:53:29.6 |
HIP 112280 |
28.87 |
| 2026-06-11 12:00 |
22:39:05.92 |
-69:54:14.7 |
HIP 112280 |
29.22 |
| 2026-06-12 00:00 |
22:39:03.86 |
-69:54:59.9 |
HIP 112280 |
29.58 |
| 2026-06-12 12:00 |
22:39:01.71 |
-69:55:45.1 |
HIP 112280 |
29.97 |
| 2026-06-13 00:00 |
22:38:59.47 |
-69:56:30.2 |
HIP 112280 |
30.38 |
| 2026-06-13 12:00 |
22:38:57.15 |
-69:57:15.3 |
HIP 112280 |
30.81 |
| 2026-06-14 00:00 |
22:38:54.75 |
-69:58:00.5 |
HIP 112280 |
31.27 |
| 2026-06-14 12:00 |
22:38:52.26 |
-69:58:45.6 |
HIP 112280 |
31.74 |
| 2026-06-15 00:00 |
22:38:49.69 |
-69:59:30.7 |
HIP 112280 |
32.22 |
| 2026-06-15 12:00 |
22:38:47.04 |
-70:00:15.7 |
HIP 112280 |
32.73 |
| 2026-06-16 00:00 |
22:38:44.30 |
-70:01:00.8 |
HIP 112280 |
33.25 |
| 2026-06-16 12:00 |
22:38:41.48 |
-70:01:45.7 |
HIP 112280 |
33.79 |
| 2026-06-17 00:00 |
22:38:38.58 |
-70:02:30.7 |
HIP 112280 |
34.35 |
| 2026-06-17 12:00 |
22:38:35.59 |
-70:03:15.6 |
HIP 112280 |
34.92 |
| 2026-06-18 00:00 |
22:38:32.52 |
-70:04:00.5 |
HIP 112280 |
35.50 |
| 2026-06-18 12:00 |
22:38:29.37 |
-70:04:45.3 |
HIP 112280 |
36.10 |
| 2026-06-19 00:00 |
22:38:26.14 |
-70:05:30.0 |
HIP 112280 |
36.71 |
| 2026-06-19 12:00 |
22:38:22.82 |
-70:06:14.7 |
HIP 112280 |
37.33 |
| 2026-06-20 00:00 |
22:38:19.42 |
-70:06:59.4 |
HIP 112280 |
37.96 |
| 2026-06-20 12:00 |
22:38:15.94 |
-70:07:43.9 |
HIP 112280 |
38.61 |
| 2026-06-21 00:00 |
22:38:12.37 |
-70:08:28.4 |
HIP 112280 |
39.26 |
| 2026-06-21 12:00 |
22:38:08.72 |
-70:09:12.8 |
HIP 112280 |
39.93 |
| 2026-06-22 00:00 |
22:38:05.00 |
-70:09:57.2 |
HIP 112280 |
40.60 |