메타데이터
| 항목 |
값 |
| Designation |
C/2004 YJ35 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2005-03-03T03:36:26.084160Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:46Z |
| Obs used |
216 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2005-02-01.0000000 |
| e |
0.99986436 |
| q (au) |
1.781202 |
| a (au) |
13132.099127 |
| i (deg) |
52.476403 |
| Ω (om, deg) |
328.249684 |
| ω (w, deg) |
136.897955 |
| M (ma, deg) |
359.999980 |
밝기
산란 + 전체 선형
$$
M_a = (17.126 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.126 |
| 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) |
| 2026-05-12 00:00 |
18:37:06.07 |
-70:56:33.6 |
HIP 91454 |
13.12 |
| 2026-05-12 12:00 |
18:37:00.50 |
-70:56:57.4 |
HIP 91454 |
13.73 |
| 2026-05-13 00:00 |
18:36:54.87 |
-70:57:21.0 |
HIP 91454 |
14.33 |
| 2026-05-13 12:00 |
18:36:49.18 |
-70:57:44.5 |
HIP 91454 |
14.94 |
| 2026-05-14 00:00 |
18:36:43.43 |
-70:58:07.8 |
HIP 91454 |
15.55 |
| 2026-05-14 12:00 |
18:36:37.63 |
-70:58:30.8 |
HIP 91454 |
16.16 |
| 2026-05-15 00:00 |
18:36:31.76 |
-70:58:53.7 |
HIP 91454 |
16.77 |
| 2026-05-15 12:00 |
18:36:25.84 |
-70:59:16.4 |
HIP 91454 |
17.38 |
| 2026-05-16 00:00 |
18:36:19.86 |
-70:59:39.0 |
HIP 91454 |
18.00 |
| 2026-05-16 12:00 |
18:36:13.83 |
-71:00:01.3 |
HIP 91454 |
18.61 |
| 2026-05-17 00:00 |
18:36:07.74 |
-71:00:23.4 |
HIP 91454 |
19.23 |
| 2026-05-17 12:00 |
18:36:01.59 |
-71:00:45.3 |
HIP 91107 |
19.27 |
| 2026-05-18 00:00 |
18:35:55.39 |
-71:01:07.0 |
HIP 91107 |
18.80 |
| 2026-05-18 12:00 |
18:35:49.14 |
-71:01:28.5 |
HIP 91107 |
18.34 |
| 2026-05-19 00:00 |
18:35:42.83 |
-71:01:49.8 |
HIP 91107 |
17.90 |
| 2026-05-19 12:00 |
18:35:36.47 |
-71:02:10.9 |
HIP 91107 |
17.46 |
| 2026-05-20 00:00 |
18:35:30.05 |
-71:02:31.7 |
HIP 91107 |
17.05 |
| 2026-05-20 12:00 |
18:35:23.59 |
-71:02:52.4 |
HIP 91107 |
16.65 |
| 2026-05-21 00:00 |
18:35:17.07 |
-71:03:12.8 |
HIP 91107 |
16.26 |
| 2026-05-21 12:00 |
18:35:10.50 |
-71:03:33.0 |
HIP 91107 |
15.90 |
| 2026-05-22 00:00 |
18:35:03.88 |
-71:03:53.0 |
HIP 91107 |
15.55 |
| 2026-05-22 12:00 |
18:34:57.22 |
-71:04:12.8 |
HIP 91107 |
15.23 |
| 2026-05-23 00:00 |
18:34:50.50 |
-71:04:32.4 |
HIP 91107 |
14.93 |
| 2026-05-23 12:00 |
18:34:43.73 |
-71:04:51.7 |
HIP 91107 |
14.66 |
| 2026-05-24 00:00 |
18:34:36.92 |
-71:05:10.8 |
HIP 91107 |
14.41 |
| 2026-05-24 12:00 |
18:34:30.06 |
-71:05:29.7 |
HIP 91107 |
14.19 |
| 2026-05-25 00:00 |
18:34:23.15 |
-71:05:48.3 |
HIP 91107 |
14.00 |
| 2026-05-25 12:00 |
18:34:16.20 |
-71:06:06.8 |
HIP 91107 |
13.84 |
| 2026-05-26 00:00 |
18:34:09.20 |
-71:06:25.0 |
HIP 91107 |
13.72 |
| 2026-05-26 12:00 |
18:34:02.16 |
-71:06:42.9 |
HIP 91107 |
13.63 |
| 2026-05-27 00:00 |
18:33:55.07 |
-71:07:00.6 |
HIP 91107 |
13.57 |
| 2026-05-27 12:00 |
18:33:47.94 |
-71:07:18.1 |
HIP 91107 |
13.55 |
| 2026-05-28 00:00 |
18:33:40.76 |
-71:07:35.3 |
HIP 91107 |
13.57 |
| 2026-05-28 12:00 |
18:33:33.54 |
-71:07:52.3 |
HIP 91107 |
13.62 |
| 2026-05-29 00:00 |
18:33:26.28 |
-71:08:09.1 |
HIP 91107 |
13.71 |
| 2026-05-29 12:00 |
18:33:18.98 |
-71:08:25.6 |
HIP 91107 |
13.83 |
| 2026-05-30 00:00 |
18:33:11.64 |
-71:08:41.9 |
HIP 91107 |
13.98 |
| 2026-05-30 12:00 |
18:33:04.26 |
-71:08:57.9 |
HIP 91107 |
14.17 |
| 2026-05-31 00:00 |
18:32:56.84 |
-71:09:13.7 |
HIP 91107 |
14.39 |
| 2026-05-31 12:00 |
18:32:49.37 |
-71:09:29.2 |
HIP 91107 |
14.64 |
| 2026-06-01 00:00 |
18:32:41.87 |
-71:09:44.5 |
HIP 90663 |
14.47 |
| 2026-06-01 12:00 |
18:32:34.34 |
-71:09:59.5 |
HIP 90663 |
14.01 |
| 2026-06-02 00:00 |
18:32:26.76 |
-71:10:14.3 |
HIP 90663 |
13.56 |