메타데이터
| 항목 |
값 |
| Designation |
C/2003 G1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-02-03T15:42:49.510080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:27Z |
| Obs used |
1472 |
| NEO |
- |
| M1 |
6.200 |
| K1 |
9.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-08-25.0000000 |
| e |
1.00137916 |
| q (au) |
4.916288 |
| a (au) |
-3564.686955 |
| i (deg) |
66.849308 |
| Ω (om, deg) |
246.088785 |
| ω (w, deg) |
11.422485 |
| M (ma, deg) |
0.000937 |
밝기
산란 + 전체 선형
$$
M_a = (1.546 + 5.811\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
1.546 |
| n |
5.811 |
| 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) |
| 2026-05-12 00:00 |
02:51:22.09 |
+43:27:35.3 |
HIP 13259 |
11.98 |
| 2026-05-12 12:00 |
02:51:25.91 |
+43:27:45.5 |
HIP 13259 |
12.59 |
| 2026-05-13 00:00 |
02:51:29.73 |
+43:27:55.9 |
HIP 13259 |
13.21 |
| 2026-05-13 12:00 |
02:51:33.55 |
+43:28:06.4 |
HIP 13259 |
13.84 |
| 2026-05-14 00:00 |
02:51:37.36 |
+43:28:17.1 |
HIP 13259 |
14.48 |
| 2026-05-14 12:00 |
02:51:41.17 |
+43:28:27.9 |
HIP 13259 |
15.12 |
| 2026-05-15 00:00 |
02:51:44.97 |
+43:28:38.8 |
HIP 13259 |
15.78 |
| 2026-05-15 12:00 |
02:51:48.77 |
+43:28:49.9 |
HIP 13259 |
16.43 |
| 2026-05-16 00:00 |
02:51:52.57 |
+43:29:01.1 |
HIP 13259 |
17.10 |
| 2026-05-16 12:00 |
02:51:56.36 |
+43:29:12.4 |
HIP 13259 |
17.77 |
| 2026-05-17 00:00 |
02:52:00.15 |
+43:29:23.9 |
HIP 13259 |
18.44 |
| 2026-05-17 12:00 |
02:52:03.93 |
+43:29:35.5 |
HIP 13259 |
19.11 |
| 2026-05-18 00:00 |
02:52:07.70 |
+43:29:47.2 |
HIP 13259 |
19.79 |
| 2026-05-18 12:00 |
02:52:11.47 |
+43:29:59.1 |
HIP 13259 |
20.47 |
| 2026-05-19 00:00 |
02:52:15.23 |
+43:30:11.1 |
HIP 13259 |
21.16 |
| 2026-05-19 12:00 |
02:52:18.99 |
+43:30:23.2 |
HIP 13450 |
21.57 |
| 2026-05-20 00:00 |
02:52:22.74 |
+43:30:35.5 |
HIP 13450 |
21.09 |
| 2026-05-20 12:00 |
02:52:26.48 |
+43:30:47.9 |
HIP 13450 |
20.62 |
| 2026-05-21 00:00 |
02:52:30.22 |
+43:31:00.4 |
HIP 13450 |
20.17 |
| 2026-05-21 12:00 |
02:52:33.94 |
+43:31:13.0 |
HIP 13450 |
19.73 |
| 2026-05-22 00:00 |
02:52:37.66 |
+43:31:25.7 |
HIP 13450 |
19.31 |
| 2026-05-22 12:00 |
02:52:41.38 |
+43:31:38.6 |
HIP 13450 |
18.90 |
| 2026-05-23 00:00 |
02:52:45.08 |
+43:31:51.6 |
HIP 13450 |
18.51 |
| 2026-05-23 12:00 |
02:52:48.78 |
+43:32:04.7 |
HIP 13450 |
18.13 |
| 2026-05-24 00:00 |
02:52:52.46 |
+43:32:18.0 |
HIP 13450 |
17.77 |
| 2026-05-24 12:00 |
02:52:56.14 |
+43:32:31.3 |
HIP 13450 |
17.44 |
| 2026-05-25 00:00 |
02:52:59.81 |
+43:32:44.8 |
HIP 13450 |
17.12 |
| 2026-05-25 12:00 |
02:53:03.47 |
+43:32:58.3 |
HIP 13450 |
16.82 |
| 2026-05-26 00:00 |
02:53:07.12 |
+43:33:12.0 |
HIP 13450 |
16.55 |
| 2026-05-26 12:00 |
02:53:10.76 |
+43:33:25.8 |
HIP 13450 |
16.30 |
| 2026-05-27 00:00 |
02:53:14.40 |
+43:33:39.8 |
HIP 13450 |
16.07 |
| 2026-05-27 12:00 |
02:53:18.02 |
+43:33:53.8 |
HIP 13450 |
15.87 |
| 2026-05-28 00:00 |
02:53:21.63 |
+43:34:07.9 |
HIP 13450 |
15.70 |
| 2026-05-28 12:00 |
02:53:25.23 |
+43:34:22.2 |
HIP 13450 |
15.55 |
| 2026-05-29 00:00 |
02:53:28.82 |
+43:34:36.5 |
HIP 13450 |
15.43 |
| 2026-05-29 12:00 |
02:53:32.40 |
+43:34:51.0 |
HIP 13450 |
15.34 |
| 2026-05-30 00:00 |
02:53:35.97 |
+43:35:05.6 |
HIP 13450 |
15.28 |
| 2026-05-30 12:00 |
02:53:39.52 |
+43:35:20.2 |
HIP 13450 |
15.24 |
| 2026-05-31 00:00 |
02:53:43.07 |
+43:35:35.0 |
HIP 13450 |
15.24 |
| 2026-05-31 12:00 |
02:53:46.60 |
+43:35:49.9 |
HIP 13450 |
15.26 |
| 2026-06-01 00:00 |
02:53:50.13 |
+43:36:04.9 |
HIP 13450 |
15.31 |
| 2026-06-01 12:00 |
02:53:53.64 |
+43:36:20.0 |
HIP 13450 |
15.39 |
| 2026-06-02 00:00 |
02:53:57.13 |
+43:36:35.2 |
HIP 13450 |
15.49 |