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 |
0.999 |
| 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) |
| 2026-06-01 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 |
| 2026-06-02 12:00 |
18:32:19.15 |
-71:10:28.8 |
HIP 90663 |
13.12 |
| 2026-06-03 00:00 |
18:32:11.50 |
-71:10:43.0 |
HIP 90663 |
12.70 |
| 2026-06-03 12:00 |
18:32:03.82 |
-71:10:57.0 |
HIP 90663 |
12.29 |
| 2026-06-04 00:00 |
18:31:56.10 |
-71:11:10.8 |
HIP 90663 |
11.90 |
| 2026-06-04 12:00 |
18:31:48.35 |
-71:11:24.3 |
HIP 90663 |
11.53 |
| 2026-06-05 00:00 |
18:31:40.57 |
-71:11:37.5 |
HIP 90663 |
11.19 |
| 2026-06-05 12:00 |
18:31:32.75 |
-71:11:50.4 |
HIP 90663 |
10.87 |
| 2026-06-06 00:00 |
18:31:24.90 |
-71:12:03.1 |
HIP 90663 |
10.57 |
| 2026-06-06 12:00 |
18:31:17.02 |
-71:12:15.6 |
HIP 90663 |
10.31 |
| 2026-06-07 00:00 |
18:31:09.10 |
-71:12:27.7 |
HIP 90663 |
10.08 |
| 2026-06-07 12:00 |
18:31:01.16 |
-71:12:39.6 |
HIP 90663 |
9.89 |
| 2026-06-08 00:00 |
18:30:53.19 |
-71:12:51.3 |
HIP 90663 |
9.73 |
| 2026-06-08 12:00 |
18:30:45.18 |
-71:13:02.6 |
HIP 90663 |
9.62 |
| 2026-06-09 00:00 |
18:30:37.15 |
-71:13:13.7 |
HIP 90663 |
9.54 |
| 2026-06-09 12:00 |
18:30:29.10 |
-71:13:24.5 |
HIP 90663 |
9.51 |
| 2026-06-10 00:00 |
18:30:21.01 |
-71:13:35.1 |
HIP 90663 |
9.52 |
| 2026-06-10 12:00 |
18:30:12.90 |
-71:13:45.3 |
HIP 90663 |
9.57 |
| 2026-06-11 00:00 |
18:30:04.76 |
-71:13:55.3 |
HIP 90663 |
9.67 |
| 2026-06-11 12:00 |
18:29:56.60 |
-71:14:05.0 |
HIP 90663 |
9.81 |
| 2026-06-12 00:00 |
18:29:48.42 |
-71:14:14.5 |
HIP 90663 |
9.98 |
| 2026-06-12 12:00 |
18:29:40.21 |
-71:14:23.6 |
HIP 90663 |
10.20 |
| 2026-06-13 00:00 |
18:29:31.98 |
-71:14:32.5 |
HIP 90663 |
10.45 |
| 2026-06-13 12:00 |
18:29:23.72 |
-71:14:41.1 |
HIP 90663 |
10.73 |
| 2026-06-14 00:00 |
18:29:15.45 |
-71:14:49.4 |
HIP 90663 |
11.05 |
| 2026-06-14 12:00 |
18:29:07.16 |
-71:14:57.4 |
HIP 90663 |
11.39 |
| 2026-06-15 00:00 |
18:28:58.84 |
-71:15:05.2 |
HIP 90663 |
11.76 |
| 2026-06-15 12:00 |
18:28:50.51 |
-71:15:12.6 |
HIP 90663 |
12.15 |
| 2026-06-16 00:00 |
18:28:42.16 |
-71:15:19.8 |
HIP 90663 |
12.57 |
| 2026-06-16 12:00 |
18:28:33.79 |
-71:15:26.7 |
HIP 90663 |
13.00 |
| 2026-06-17 00:00 |
18:28:25.41 |
-71:15:33.3 |
HIP 90663 |
13.45 |
| 2026-06-17 12:00 |
18:28:17.01 |
-71:15:39.6 |
HIP 90663 |
13.92 |
| 2026-06-18 00:00 |
18:28:08.60 |
-71:15:45.6 |
HIP 90663 |
14.40 |
| 2026-06-18 12:00 |
18:28:00.17 |
-71:15:51.3 |
HIP 90663 |
14.89 |
| 2026-06-19 00:00 |
18:27:51.73 |
-71:15:56.8 |
HIP 90663 |
15.40 |
| 2026-06-19 12:00 |
18:27:43.28 |
-71:16:01.9 |
HIP 90663 |
15.91 |
| 2026-06-20 00:00 |
18:27:34.81 |
-71:16:06.8 |
HIP 90663 |
16.44 |
| 2026-06-20 12:00 |
18:27:26.34 |
-71:16:11.4 |
HIP 90663 |
16.97 |
| 2026-06-21 00:00 |
18:27:17.85 |
-71:16:15.6 |
HIP 90663 |
17.52 |
| 2026-06-21 12:00 |
18:27:09.36 |
-71:16:19.6 |
HIP 90663 |
18.07 |
| 2026-06-22 00:00 |
18:27:00.86 |
-71:16:23.3 |
HIP 90663 |
18.62 |