메타데이터
| 항목 |
값 |
| Designation |
C/2011 J3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2011-01-24T09:18:41.359680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:49Z |
| Obs used |
83 |
| NEO |
- |
| M1 |
16.200 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-05-30.0000000 |
| e |
0.92583194 |
| q (au) |
1.450992 |
| a (au) |
19.563572 |
| i (deg) |
114.712382 |
| Ω (om, deg) |
21.512284 |
| ω (w, deg) |
27.844964 |
| M (ma, deg) |
1.430748 |
밝기
산란 + 전체 선형
$$
M_a = (17.765 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.765 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.800 |
| 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 |
12:32:25.22 |
-16:18:41.5 |
HIP 61174 |
8.54 |
| 2026-07-29 12:00 |
12:32:26.91 |
-16:18:43.0 |
HIP 61174 |
8.80 |
| 2026-07-30 00:00 |
12:32:28.64 |
-16:18:44.7 |
HIP 61174 |
9.08 |
| 2026-07-30 12:00 |
12:32:30.40 |
-16:18:46.7 |
HIP 61174 |
9.38 |
| 2026-07-31 00:00 |
12:32:32.18 |
-16:18:48.9 |
HIP 61174 |
9.70 |
| 2026-07-31 12:00 |
12:32:34.00 |
-16:18:51.3 |
HIP 61174 |
10.03 |
| 2026-08-01 00:00 |
12:32:35.84 |
-16:18:54.0 |
HIP 61174 |
10.38 |
| 2026-08-01 12:00 |
12:32:37.72 |
-16:18:56.9 |
HIP 61174 |
10.74 |
| 2026-08-02 00:00 |
12:32:39.62 |
-16:19:00.1 |
HIP 61174 |
11.12 |
| 2026-08-02 12:00 |
12:32:41.55 |
-16:19:03.5 |
HIP 61174 |
11.51 |
| 2026-08-03 00:00 |
12:32:43.51 |
-16:19:07.1 |
HIP 61174 |
11.92 |
| 2026-08-03 12:00 |
12:32:45.50 |
-16:19:11.0 |
HIP 61174 |
12.33 |
| 2026-08-04 00:00 |
12:32:47.51 |
-16:19:15.1 |
HIP 61174 |
12.76 |
| 2026-08-04 12:00 |
12:32:49.56 |
-16:19:19.4 |
HIP 61174 |
13.20 |
| 2026-08-05 00:00 |
12:32:51.63 |
-16:19:24.0 |
HIP 61174 |
13.66 |
| 2026-08-05 12:00 |
12:32:53.73 |
-16:19:28.8 |
HIP 61174 |
14.12 |
| 2026-08-06 00:00 |
12:32:55.86 |
-16:19:33.9 |
HIP 61174 |
14.60 |
| 2026-08-06 12:00 |
12:32:58.02 |
-16:19:39.2 |
HIP 61174 |
15.08 |
| 2026-08-07 00:00 |
12:33:00.20 |
-16:19:44.7 |
HIP 61174 |
15.58 |
| 2026-08-07 12:00 |
12:33:02.41 |
-16:19:50.5 |
HIP 61174 |
16.08 |
| 2026-08-08 00:00 |
12:33:04.65 |
-16:19:56.5 |
HIP 61174 |
16.60 |
| 2026-08-08 12:00 |
12:33:06.91 |
-16:20:02.7 |
HIP 61174 |
17.12 |
| 2026-08-09 00:00 |
12:33:09.20 |
-16:20:09.2 |
HIP 61174 |
17.66 |
| 2026-08-09 12:00 |
12:33:11.52 |
-16:20:15.9 |
HIP 61174 |
18.20 |
| 2026-08-10 00:00 |
12:33:13.87 |
-16:20:22.9 |
HIP 61174 |
18.75 |
| 2026-08-10 12:00 |
12:33:16.24 |
-16:20:30.0 |
HIP 61174 |
19.32 |
| 2026-08-11 00:00 |
12:33:18.63 |
-16:20:37.5 |
HIP 61373 |
18.82 |
| 2026-08-11 12:00 |
12:33:21.06 |
-16:20:45.1 |
HIP 61373 |
18.23 |
| 2026-08-12 00:00 |
12:33:23.51 |
-16:20:53.0 |
HIP 61373 |
17.64 |
| 2026-08-12 12:00 |
12:33:25.98 |
-16:21:01.1 |
HIP 61373 |
17.05 |
| 2026-08-13 00:00 |
12:33:28.48 |
-16:21:09.4 |
HIP 61373 |
16.44 |
| 2026-08-13 12:00 |
12:33:31.00 |
-16:21:18.0 |
HIP 61373 |
15.84 |
| 2026-08-14 00:00 |
12:33:33.55 |
-16:21:26.8 |
HIP 61373 |
15.23 |
| 2026-08-14 12:00 |
12:33:36.13 |
-16:21:35.9 |
HIP 61373 |
14.61 |
| 2026-08-15 00:00 |
12:33:38.73 |
-16:21:45.1 |
HIP 61373 |
13.99 |
| 2026-08-15 12:00 |
12:33:41.35 |
-16:21:54.6 |
HIP 61373 |
13.37 |
| 2026-08-16 00:00 |
12:33:43.99 |
-16:22:04.3 |
HIP 61373 |
12.75 |
| 2026-08-16 12:00 |
12:33:46.66 |
-16:22:14.3 |
HIP 61373 |
12.12 |
| 2026-08-17 00:00 |
12:33:49.36 |
-16:22:24.5 |
HIP 61373 |
11.49 |
| 2026-08-17 12:00 |
12:33:52.08 |
-16:22:34.9 |
HIP 61373 |
10.86 |
| 2026-08-18 00:00 |
12:33:54.82 |
-16:22:45.5 |
HIP 61373 |
10.24 |
| 2026-08-18 12:00 |
12:33:57.58 |
-16:22:56.3 |
HIP 61373 |
9.61 |
| 2026-08-19 00:00 |
12:34:00.36 |
-16:23:07.4 |
HIP 61373 |
8.99 |