메타데이터
| 항목 |
값 |
| Designation |
C/2011 O1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2012-08-18T11:17:58.580160Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:53Z |
| Obs used |
281 |
| NEO |
- |
| M1 |
7.500 |
| K1 |
9.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-08-30.0000000 |
| e |
0.99678430 |
| q (au) |
3.890653 |
| a (au) |
1209.894503 |
| i (deg) |
76.498886 |
| Ω (om, deg) |
89.816812 |
| ω (w, deg) |
232.382598 |
| M (ma, deg) |
0.000270 |
밝기
산란 + 전체 선형
$$
M_a = (8.327 + 2.712\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.327 |
| n |
2.712 |
| gf |
0.981 |
| gb |
-0.775 |
| 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) |
| 2026-07-29 00:00 |
06:14:53.95 |
+32:38:27.4 |
HIP 29615 |
11.54 |
| 2026-07-29 12:00 |
06:14:57.94 |
+32:38:36.8 |
HIP 29615 |
12.10 |
| 2026-07-30 00:00 |
06:15:01.91 |
+32:38:46.3 |
HIP 29615 |
12.70 |
| 2026-07-30 12:00 |
06:15:05.86 |
+32:38:55.8 |
HIP 29615 |
13.32 |
| 2026-07-31 00:00 |
06:15:09.79 |
+32:39:05.4 |
HIP 29615 |
13.96 |
| 2026-07-31 12:00 |
06:15:13.70 |
+32:39:15.1 |
HIP 29615 |
14.62 |
| 2026-08-01 00:00 |
06:15:17.59 |
+32:39:24.8 |
HIP 29615 |
15.30 |
| 2026-08-01 12:00 |
06:15:21.45 |
+32:39:34.6 |
HIP 29615 |
15.99 |
| 2026-08-02 00:00 |
06:15:25.30 |
+32:39:44.5 |
HIP 29615 |
16.69 |
| 2026-08-02 12:00 |
06:15:29.12 |
+32:39:54.4 |
HIP 29615 |
17.39 |
| 2026-08-03 00:00 |
06:15:32.92 |
+32:40:04.4 |
HIP 29615 |
18.11 |
| 2026-08-03 12:00 |
06:15:36.70 |
+32:40:14.5 |
HIP 29615 |
18.83 |
| 2026-08-04 00:00 |
06:15:40.45 |
+32:40:24.6 |
HIP 29615 |
19.55 |
| 2026-08-04 12:00 |
06:15:44.19 |
+32:40:34.8 |
HIP 29615 |
20.28 |
| 2026-08-05 00:00 |
06:15:47.90 |
+32:40:45.1 |
HIP 29874 |
20.46 |
| 2026-08-05 12:00 |
06:15:51.58 |
+32:40:55.4 |
HIP 29874 |
19.67 |
| 2026-08-06 00:00 |
06:15:55.24 |
+32:41:05.8 |
HIP 29874 |
18.89 |
| 2026-08-06 12:00 |
06:15:58.88 |
+32:41:16.3 |
HIP 29874 |
18.11 |
| 2026-08-07 00:00 |
06:16:02.50 |
+32:41:26.8 |
HIP 29874 |
17.34 |
| 2026-08-07 12:00 |
06:16:06.09 |
+32:41:37.4 |
HIP 29874 |
16.58 |
| 2026-08-08 00:00 |
06:16:09.66 |
+32:41:48.0 |
HIP 29874 |
15.82 |
| 2026-08-08 12:00 |
06:16:13.20 |
+32:41:58.8 |
HIP 29874 |
15.07 |
| 2026-08-09 00:00 |
06:16:16.71 |
+32:42:09.6 |
HIP 29874 |
14.32 |
| 2026-08-09 12:00 |
06:16:20.20 |
+32:42:20.4 |
HIP 29874 |
13.59 |
| 2026-08-10 00:00 |
06:16:23.67 |
+32:42:31.4 |
HIP 29874 |
12.86 |
| 2026-08-10 12:00 |
06:16:27.11 |
+32:42:42.3 |
HIP 29874 |
12.14 |
| 2026-08-11 00:00 |
06:16:30.52 |
+32:42:53.4 |
HIP 29874 |
11.42 |
| 2026-08-11 12:00 |
06:16:33.90 |
+32:43:04.5 |
HIP 29874 |
10.72 |
| 2026-08-12 00:00 |
06:16:37.26 |
+32:43:15.7 |
HIP 29874 |
10.03 |
| 2026-08-12 12:00 |
06:16:40.60 |
+32:43:27.0 |
HIP 29874 |
9.35 |
| 2026-08-13 00:00 |
06:16:43.90 |
+32:43:38.3 |
HIP 29874 |
8.68 |
| 2026-08-13 12:00 |
06:16:47.18 |
+32:43:49.7 |
HIP 29874 |
8.03 |
| 2026-08-14 00:00 |
06:16:50.43 |
+32:44:01.1 |
HIP 29874 |
7.39 |
| 2026-08-14 12:00 |
06:16:53.65 |
+32:44:12.6 |
HIP 29874 |
6.78 |
| 2026-08-15 00:00 |
06:16:56.84 |
+32:44:24.2 |
HIP 29874 |
6.19 |
| 2026-08-15 12:00 |
06:17:00.01 |
+32:44:35.8 |
HIP 29874 |
5.63 |
| 2026-08-16 00:00 |
06:17:03.14 |
+32:44:47.5 |
HIP 29874 |
5.11 |
| 2026-08-16 12:00 |
06:17:06.25 |
+32:44:59.3 |
HIP 29874 |
4.65 |
| 2026-08-17 00:00 |
06:17:09.33 |
+32:45:11.1 |
HIP 29874 |
4.24 |
| 2026-08-17 12:00 |
06:17:12.38 |
+32:45:23.0 |
HIP 29874 |
3.92 |
| 2026-08-18 00:00 |
06:17:15.40 |
+32:45:35.0 |
HIP 29874 |
3.70 |
| 2026-08-18 12:00 |
06:17:18.39 |
+32:45:47.0 |
HIP 29874 |
3.59 |
| 2026-08-19 00:00 |
06:17:21.35 |
+32:45:59.1 |
HIP 29874 |
3.60 |