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) |
| 2026-09-20 00:00 |
06:19:20.08 |
+33:00:46.2 |
HIP 29987 |
29.03 |
| 2026-09-20 12:00 |
06:19:20.72 |
+33:01:01.6 |
HIP 29987 |
28.82 |
| 2026-09-21 00:00 |
06:19:21.31 |
+33:01:17.0 |
HIP 29987 |
28.60 |
| 2026-09-21 12:00 |
06:19:21.86 |
+33:01:32.4 |
HIP 29987 |
28.39 |
| 2026-09-22 00:00 |
06:19:22.38 |
+33:01:47.8 |
HIP 29987 |
28.17 |
| 2026-09-22 12:00 |
06:19:22.85 |
+33:02:03.3 |
HIP 29987 |
27.95 |
| 2026-09-23 00:00 |
06:19:23.28 |
+33:02:18.8 |
HIP 29987 |
27.72 |
| 2026-09-23 12:00 |
06:19:23.67 |
+33:02:34.4 |
HIP 29987 |
27.50 |
| 2026-09-24 00:00 |
06:19:24.02 |
+33:02:50.0 |
HIP 29987 |
27.27 |
| 2026-09-24 12:00 |
06:19:24.33 |
+33:03:05.6 |
HIP 29987 |
27.04 |
| 2026-09-25 00:00 |
06:19:24.60 |
+33:03:21.2 |
HIP 29987 |
26.81 |
| 2026-09-25 12:00 |
06:19:24.83 |
+33:03:36.8 |
HIP 29987 |
26.58 |
| 2026-09-26 00:00 |
06:19:25.02 |
+33:03:52.5 |
HIP 29987 |
26.34 |
| 2026-09-26 12:00 |
06:19:25.17 |
+33:04:08.2 |
HIP 29987 |
26.11 |
| 2026-09-27 00:00 |
06:19:25.28 |
+33:04:24.0 |
HIP 29987 |
25.86 |
| 2026-09-27 12:00 |
06:19:25.34 |
+33:04:39.8 |
HIP 29987 |
25.62 |
| 2026-09-28 00:00 |
06:19:25.37 |
+33:04:55.5 |
HIP 29987 |
25.37 |
| 2026-09-28 12:00 |
06:19:25.35 |
+33:05:11.4 |
HIP 29987 |
25.12 |
| 2026-09-29 00:00 |
06:19:25.29 |
+33:05:27.2 |
HIP 29987 |
24.87 |
| 2026-09-29 12:00 |
06:19:25.19 |
+33:05:43.1 |
HIP 29987 |
24.61 |
| 2026-09-30 00:00 |
06:19:25.05 |
+33:05:58.9 |
HIP 29987 |
24.36 |
| 2026-09-30 12:00 |
06:19:24.87 |
+33:06:14.8 |
HIP 29987 |
24.09 |
| 2026-10-01 00:00 |
06:19:24.65 |
+33:06:30.8 |
HIP 29987 |
23.83 |
| 2026-10-01 12:00 |
06:19:24.39 |
+33:06:46.7 |
HIP 29987 |
23.56 |
| 2026-10-02 00:00 |
06:19:24.08 |
+33:07:02.7 |
HIP 29987 |
23.29 |
| 2026-10-02 12:00 |
06:19:23.74 |
+33:07:18.6 |
HIP 29987 |
23.01 |
| 2026-10-03 00:00 |
06:19:23.35 |
+33:07:34.6 |
HIP 29987 |
22.74 |
| 2026-10-03 12:00 |
06:19:22.92 |
+33:07:50.6 |
HIP 29987 |
22.45 |
| 2026-10-04 00:00 |
06:19:22.45 |
+33:08:06.7 |
HIP 29987 |
22.17 |
| 2026-10-04 12:00 |
06:19:21.93 |
+33:08:22.7 |
HIP 29987 |
21.88 |
| 2026-10-05 00:00 |
06:19:21.38 |
+33:08:38.8 |
HIP 29987 |
21.59 |
| 2026-10-05 12:00 |
06:19:20.78 |
+33:08:54.9 |
HIP 29987 |
21.29 |
| 2026-10-06 00:00 |
06:19:20.15 |
+33:09:10.9 |
HIP 29987 |
21.00 |
| 2026-10-06 12:00 |
06:19:19.47 |
+33:09:27.0 |
HIP 29987 |
20.70 |
| 2026-10-07 00:00 |
06:19:18.74 |
+33:09:43.1 |
HIP 29987 |
20.39 |
| 2026-10-07 12:00 |
06:19:17.98 |
+33:09:59.3 |
HIP 29987 |
20.09 |
| 2026-10-08 00:00 |
06:19:17.18 |
+33:10:15.4 |
HIP 29987 |
19.78 |
| 2026-10-08 12:00 |
06:19:16.33 |
+33:10:31.5 |
HIP 29987 |
19.46 |
| 2026-10-09 00:00 |
06:19:15.44 |
+33:10:47.7 |
HIP 29987 |
19.15 |
| 2026-10-09 12:00 |
06:19:14.51 |
+33:11:03.8 |
HIP 29987 |
18.83 |
| 2026-10-10 00:00 |
06:19:13.54 |
+33:11:20.0 |
HIP 29987 |
18.51 |
| 2026-10-10 12:00 |
06:19:12.53 |
+33:11:36.1 |
HIP 29987 |
18.19 |
| 2026-10-11 00:00 |
06:19:11.47 |
+33:11:52.3 |
HIP 29987 |
17.86 |