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 |
0.991 |
| gb |
-0.998 |
| 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 |
09:27:36.51 |
-14:39:43.6 |
HIP 46413 |
13.05 |
| 2026-05-12 12:00 |
09:27:36.33 |
-14:39:24.0 |
HIP 46413 |
13.38 |
| 2026-05-13 00:00 |
09:27:36.17 |
-14:39:04.4 |
HIP 46413 |
13.70 |
| 2026-05-13 12:00 |
09:27:36.04 |
-14:38:45.0 |
HIP 46413 |
14.02 |
| 2026-05-14 00:00 |
09:27:35.94 |
-14:38:25.7 |
HIP 46413 |
14.33 |
| 2026-05-14 12:00 |
09:27:35.86 |
-14:38:06.5 |
HIP 46413 |
14.64 |
| 2026-05-15 00:00 |
09:27:35.81 |
-14:37:47.4 |
HIP 46413 |
14.95 |
| 2026-05-15 12:00 |
09:27:35.78 |
-14:37:28.5 |
HIP 46324 |
15.14 |
| 2026-05-16 00:00 |
09:27:35.78 |
-14:37:09.7 |
HIP 46324 |
14.97 |
| 2026-05-16 12:00 |
09:27:35.81 |
-14:36:51.0 |
HIP 46324 |
14.82 |
| 2026-05-17 00:00 |
09:27:35.85 |
-14:36:32.5 |
HIP 46324 |
14.68 |
| 2026-05-17 12:00 |
09:27:35.93 |
-14:36:14.1 |
HIP 46324 |
14.55 |
| 2026-05-18 00:00 |
09:27:36.03 |
-14:35:55.9 |
HIP 46324 |
14.43 |
| 2026-05-18 12:00 |
09:27:36.15 |
-14:35:37.7 |
HIP 46324 |
14.32 |
| 2026-05-19 00:00 |
09:27:36.30 |
-14:35:19.8 |
HIP 46324 |
14.23 |
| 2026-05-19 12:00 |
09:27:36.48 |
-14:35:01.9 |
HIP 46324 |
14.15 |
| 2026-05-20 00:00 |
09:27:36.68 |
-14:34:44.2 |
HIP 46324 |
14.08 |
| 2026-05-20 12:00 |
09:27:36.90 |
-14:34:26.7 |
HIP 46324 |
14.02 |
| 2026-05-21 00:00 |
09:27:37.15 |
-14:34:09.3 |
HIP 46324 |
13.98 |
| 2026-05-21 12:00 |
09:27:37.43 |
-14:33:52.0 |
HIP 46324 |
13.94 |
| 2026-05-22 00:00 |
09:27:37.73 |
-14:33:34.9 |
HIP 46324 |
13.92 |
| 2026-05-22 12:00 |
09:27:38.05 |
-14:33:17.9 |
HIP 46324 |
13.92 |
| 2026-05-23 00:00 |
09:27:38.40 |
-14:33:01.1 |
HIP 46324 |
13.92 |
| 2026-05-23 12:00 |
09:27:38.77 |
-14:32:44.5 |
HIP 46324 |
13.94 |
| 2026-05-24 00:00 |
09:27:39.17 |
-14:32:27.9 |
HIP 46324 |
13.97 |
| 2026-05-24 12:00 |
09:27:39.59 |
-14:32:11.6 |
HIP 46324 |
14.02 |
| 2026-05-25 00:00 |
09:27:40.03 |
-14:31:55.4 |
HIP 46324 |
14.07 |
| 2026-05-25 12:00 |
09:27:40.50 |
-14:31:39.3 |
HIP 46324 |
14.14 |
| 2026-05-26 00:00 |
09:27:41.00 |
-14:31:23.5 |
HIP 46324 |
14.22 |
| 2026-05-26 12:00 |
09:27:41.51 |
-14:31:07.7 |
HIP 46324 |
14.31 |
| 2026-05-27 00:00 |
09:27:42.05 |
-14:30:52.2 |
HIP 46324 |
14.41 |
| 2026-05-27 12:00 |
09:27:42.62 |
-14:30:36.7 |
HIP 46324 |
14.52 |
| 2026-05-28 00:00 |
09:27:43.21 |
-14:30:21.5 |
HIP 46324 |
14.65 |
| 2026-05-28 12:00 |
09:27:43.82 |
-14:30:06.4 |
HIP 46324 |
14.78 |
| 2026-05-29 00:00 |
09:27:44.45 |
-14:29:51.5 |
HIP 46324 |
14.93 |
| 2026-05-29 12:00 |
09:27:45.11 |
-14:29:36.7 |
HIP 46324 |
15.08 |
| 2026-05-30 00:00 |
09:27:45.80 |
-14:29:22.1 |
HIP 46324 |
15.25 |
| 2026-05-30 12:00 |
09:27:46.50 |
-14:29:07.7 |
HIP 46324 |
15.42 |
| 2026-05-31 00:00 |
09:27:47.23 |
-14:28:53.4 |
HIP 46324 |
15.60 |
| 2026-05-31 12:00 |
09:27:47.98 |
-14:28:39.3 |
HIP 46324 |
15.79 |
| 2026-06-01 00:00 |
09:27:48.76 |
-14:28:25.3 |
HIP 46324 |
15.99 |
| 2026-06-01 12:00 |
09:27:49.55 |
-14:28:11.6 |
HIP 46324 |
16.20 |
| 2026-06-02 00:00 |
09:27:50.37 |
-14:27:58.0 |
HIP 46324 |
16.42 |