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) |
| 2026-03-26 00:00 |
09:29:45.45 |
-15:15:25.9 |
HIP 46618 |
21.18 |
| 2026-03-26 12:00 |
09:29:43.00 |
-15:15:02.9 |
HIP 46618 |
21.78 |
| 2026-03-27 00:00 |
09:29:40.57 |
-15:14:39.8 |
HIP 46618 |
22.38 |
| 2026-03-27 12:00 |
09:29:38.16 |
-15:14:16.6 |
HIP 46618 |
22.99 |
| 2026-03-28 00:00 |
09:29:35.77 |
-15:13:53.4 |
HIP 46618 |
23.61 |
| 2026-03-28 12:00 |
09:29:33.40 |
-15:13:30.2 |
HIP 46618 |
24.22 |
| 2026-03-29 00:00 |
09:29:31.05 |
-15:13:06.9 |
HIP 46618 |
24.84 |
| 2026-03-29 12:00 |
09:29:28.72 |
-15:12:43.5 |
HIP 46618 |
25.46 |
| 2026-03-30 00:00 |
09:29:26.41 |
-15:12:20.1 |
HIP 46618 |
26.08 |
| 2026-03-30 12:00 |
09:29:24.13 |
-15:11:56.7 |
HIP 46618 |
26.70 |
| 2026-03-31 00:00 |
09:29:21.86 |
-15:11:33.2 |
HIP 46618 |
27.32 |
| 2026-03-31 12:00 |
09:29:19.62 |
-15:11:09.7 |
HIP 46618 |
27.94 |
| 2026-04-01 00:00 |
09:29:17.39 |
-15:10:46.2 |
HIP 46413 |
27.48 |
| 2026-04-01 12:00 |
09:29:15.19 |
-15:10:22.6 |
HIP 46413 |
26.83 |
| 2026-04-02 00:00 |
09:29:13.01 |
-15:09:59.0 |
HIP 46413 |
26.17 |
| 2026-04-02 12:00 |
09:29:10.85 |
-15:09:35.4 |
HIP 46413 |
25.52 |
| 2026-04-03 00:00 |
09:29:08.71 |
-15:09:11.7 |
HIP 46413 |
24.88 |
| 2026-04-03 12:00 |
09:29:06.60 |
-15:08:48.0 |
HIP 46413 |
24.23 |
| 2026-04-04 00:00 |
09:29:04.50 |
-15:08:24.3 |
HIP 46413 |
23.60 |
| 2026-04-04 12:00 |
09:29:02.43 |
-15:08:00.5 |
HIP 46413 |
22.96 |
| 2026-04-05 00:00 |
09:29:00.38 |
-15:07:36.8 |
HIP 46413 |
22.33 |
| 2026-04-05 12:00 |
09:28:58.36 |
-15:07:13.0 |
HIP 46413 |
21.70 |
| 2026-04-06 00:00 |
09:28:56.35 |
-15:06:49.2 |
HIP 46413 |
21.08 |
| 2026-04-06 12:00 |
09:28:54.37 |
-15:06:25.4 |
HIP 46413 |
20.46 |
| 2026-04-07 00:00 |
09:28:52.41 |
-15:06:01.6 |
HIP 46413 |
19.85 |
| 2026-04-07 12:00 |
09:28:50.48 |
-15:05:37.7 |
HIP 46413 |
19.23 |
| 2026-04-08 00:00 |
09:28:48.56 |
-15:05:13.9 |
HIP 46413 |
18.63 |
| 2026-04-08 12:00 |
09:28:46.67 |
-15:04:50.0 |
HIP 46413 |
18.02 |
| 2026-04-09 00:00 |
09:28:44.81 |
-15:04:26.2 |
HIP 46413 |
17.42 |
| 2026-04-09 12:00 |
09:28:42.96 |
-15:04:02.3 |
HIP 46413 |
16.83 |
| 2026-04-10 00:00 |
09:28:41.15 |
-15:03:38.5 |
HIP 46413 |
16.24 |
| 2026-04-10 12:00 |
09:28:39.35 |
-15:03:14.6 |
HIP 46413 |
15.65 |
| 2026-04-11 00:00 |
09:28:37.58 |
-15:02:50.7 |
HIP 46413 |
15.06 |
| 2026-04-11 12:00 |
09:28:35.83 |
-15:02:26.9 |
HIP 46413 |
14.49 |
| 2026-04-12 00:00 |
09:28:34.10 |
-15:02:03.1 |
HIP 46413 |
13.91 |
| 2026-04-12 12:00 |
09:28:32.40 |
-15:01:39.2 |
HIP 46413 |
13.34 |
| 2026-04-13 00:00 |
09:28:30.72 |
-15:01:15.4 |
HIP 46413 |
12.77 |
| 2026-04-13 12:00 |
09:28:29.07 |
-15:00:51.6 |
HIP 46413 |
12.21 |
| 2026-04-14 00:00 |
09:28:27.44 |
-15:00:27.8 |
HIP 46413 |
11.65 |
| 2026-04-14 12:00 |
09:28:25.84 |
-15:00:04.1 |
HIP 46413 |
11.10 |
| 2026-04-15 00:00 |
09:28:24.26 |
-14:59:40.3 |
HIP 46413 |
10.55 |
| 2026-04-15 12:00 |
09:28:22.70 |
-14:59:16.6 |
HIP 46413 |
10.00 |
| 2026-04-16 00:00 |
09:28:21.17 |
-14:58:52.9 |
HIP 46413 |
9.46 |