메타데이터
| 항목 |
값 |
| Designation |
C/2003 O1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2004-03-17T04:58:20.317440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:31Z |
| Obs used |
550 |
| NEO |
- |
| M1 |
10.300 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2004-04-21.0000000 |
| e |
1.00138883 |
| q (au) |
6.847362 |
| a (au) |
-4930.310760 |
| i (deg) |
117.981690 |
| Ω (om, deg) |
347.643999 |
| ω (w, deg) |
81.673493 |
| M (ma, deg) |
0.000099 |
밝기
산란 + 전체 선형
$$
M_a = (8.710 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.710 |
| n |
2.000 |
| gf |
0.999 |
| gb |
-0.503 |
| 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) |
| 2026-09-20 00:00 |
09:35:46.80 |
-14:55:26.2 |
HIP 47071 |
7.89 |
| 2026-09-20 12:00 |
09:35:48.89 |
-14:55:51.6 |
HIP 47105 |
8.34 |
| 2026-09-21 00:00 |
09:35:50.97 |
-14:56:17.0 |
HIP 47105 |
7.76 |
| 2026-09-21 12:00 |
09:35:53.03 |
-14:56:42.6 |
HIP 47105 |
7.19 |
| 2026-09-22 00:00 |
09:35:55.08 |
-14:57:08.3 |
HIP 47105 |
6.63 |
| 2026-09-22 12:00 |
09:35:57.11 |
-14:57:34.0 |
HIP 47105 |
6.10 |
| 2026-09-23 00:00 |
09:35:59.13 |
-14:57:59.8 |
HIP 47105 |
5.59 |
| 2026-09-23 12:00 |
09:36:01.13 |
-14:58:25.7 |
HIP 47105 |
5.11 |
| 2026-09-24 00:00 |
09:36:03.12 |
-14:58:51.7 |
HIP 47105 |
4.67 |
| 2026-09-24 12:00 |
09:36:05.09 |
-14:59:17.8 |
HIP 47105 |
4.28 |
| 2026-09-25 00:00 |
09:36:07.05 |
-14:59:43.9 |
HIP 47105 |
3.96 |
| 2026-09-25 12:00 |
09:36:08.99 |
-15:00:10.1 |
HIP 47105 |
3.72 |
| 2026-09-26 00:00 |
09:36:10.91 |
-15:00:36.4 |
HIP 47105 |
3.57 |
| 2026-09-26 12:00 |
09:36:12.82 |
-15:01:02.8 |
HIP 47105 |
3.53 |
| 2026-09-27 00:00 |
09:36:14.72 |
-15:01:29.2 |
HIP 47105 |
3.60 |
| 2026-09-27 12:00 |
09:36:16.60 |
-15:01:55.7 |
HIP 47105 |
3.78 |
| 2026-09-28 00:00 |
09:36:18.46 |
-15:02:22.3 |
HIP 47105 |
4.04 |
| 2026-09-28 12:00 |
09:36:20.30 |
-15:02:48.9 |
HIP 47105 |
4.37 |
| 2026-09-29 00:00 |
09:36:22.13 |
-15:03:15.6 |
HIP 47105 |
4.76 |
| 2026-09-29 12:00 |
09:36:23.94 |
-15:03:42.4 |
HIP 47105 |
5.19 |
| 2026-09-30 00:00 |
09:36:25.74 |
-15:04:09.2 |
HIP 47105 |
5.66 |
| 2026-09-30 12:00 |
09:36:27.52 |
-15:04:36.1 |
HIP 47105 |
6.15 |
| 2026-10-01 00:00 |
09:36:29.28 |
-15:05:03.0 |
HIP 47105 |
6.66 |
| 2026-10-01 12:00 |
09:36:31.02 |
-15:05:30.0 |
HIP 47105 |
7.18 |
| 2026-10-02 00:00 |
09:36:32.75 |
-15:05:57.1 |
HIP 47105 |
7.71 |
| 2026-10-02 12:00 |
09:36:34.45 |
-15:06:24.2 |
HIP 47105 |
8.25 |
| 2026-10-03 00:00 |
09:36:36.14 |
-15:06:51.4 |
HIP 47105 |
8.79 |
| 2026-10-03 12:00 |
09:36:37.82 |
-15:07:18.6 |
HIP 47105 |
9.34 |
| 2026-10-04 00:00 |
09:36:39.47 |
-15:07:45.9 |
HIP 47105 |
9.89 |
| 2026-10-04 12:00 |
09:36:41.11 |
-15:08:13.2 |
HIP 47105 |
10.45 |
| 2026-10-05 00:00 |
09:36:42.72 |
-15:08:40.5 |
HIP 47105 |
11.00 |
| 2026-10-05 12:00 |
09:36:44.32 |
-15:09:07.9 |
HIP 47105 |
11.56 |
| 2026-10-06 00:00 |
09:36:45.90 |
-15:09:35.4 |
HIP 47105 |
12.11 |
| 2026-10-06 12:00 |
09:36:47.46 |
-15:10:02.9 |
HIP 47105 |
12.67 |
| 2026-10-07 00:00 |
09:36:49.00 |
-15:10:30.4 |
HIP 47105 |
13.23 |
| 2026-10-07 12:00 |
09:36:50.53 |
-15:10:58.0 |
HIP 47105 |
13.78 |
| 2026-10-08 00:00 |
09:36:52.03 |
-15:11:25.6 |
HIP 47105 |
14.34 |
| 2026-10-08 12:00 |
09:36:53.51 |
-15:11:53.2 |
HIP 47105 |
14.89 |
| 2026-10-09 00:00 |
09:36:54.98 |
-15:12:20.9 |
HIP 47105 |
15.44 |
| 2026-10-09 12:00 |
09:36:56.42 |
-15:12:48.6 |
HIP 47105 |
15.99 |
| 2026-10-10 00:00 |
09:36:57.84 |
-15:13:16.3 |
HIP 47105 |
16.54 |
| 2026-10-10 12:00 |
09:36:59.25 |
-15:13:44.1 |
HIP 47105 |
17.09 |
| 2026-10-11 00:00 |
09:37:00.63 |
-15:14:11.9 |
HIP 47105 |
17.64 |