메타데이터
| 항목 |
값 |
| Designation |
C/2007 O1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-06-03T06:51:31.746240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:10Z |
| Obs used |
164 |
| NEO |
- |
| M1 |
11.100 |
| K1 |
10.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2007-07-01.0000000 |
| e |
1.00482908 |
| q (au) |
2.876714 |
| a (au) |
-595.706845 |
| i (deg) |
24.381323 |
| Ω (om, deg) |
116.233626 |
| ω (w, deg) |
159.398541 |
| M (ma, deg) |
0.001879 |
밝기
산란 + 전체 선형
$$
M_a = (14.576 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.576 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.520 |
| 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 |
04:28:57.66 |
+02:46:52.7 |
HIP 20902 |
24.64 |
| 2026-06-01 12:00 |
04:29:00.84 |
+02:47:00.2 |
HIP 20902 |
24.84 |
| 2026-06-02 00:00 |
04:29:04.02 |
+02:47:07.6 |
HIP 20902 |
25.06 |
| 2026-06-02 12:00 |
04:29:07.20 |
+02:47:14.9 |
HIP 20902 |
25.30 |
| 2026-06-03 00:00 |
04:29:10.38 |
+02:47:22.0 |
HIP 20902 |
25.56 |
| 2026-06-03 12:00 |
04:29:13.55 |
+02:47:29.0 |
HIP 20902 |
25.84 |
| 2026-06-04 00:00 |
04:29:16.73 |
+02:47:35.9 |
HIP 20902 |
26.14 |
| 2026-06-04 12:00 |
04:29:19.90 |
+02:47:42.6 |
HIP 20902 |
26.46 |
| 2026-06-05 00:00 |
04:29:23.07 |
+02:47:49.2 |
HIP 20902 |
26.80 |
| 2026-06-05 12:00 |
04:29:26.24 |
+02:47:55.7 |
HIP 21085 |
26.56 |
| 2026-06-06 00:00 |
04:29:29.40 |
+02:48:02.1 |
HIP 21085 |
25.77 |
| 2026-06-06 12:00 |
04:29:32.57 |
+02:48:08.3 |
HIP 21085 |
24.98 |
| 2026-06-07 00:00 |
04:29:35.73 |
+02:48:14.4 |
HIP 21085 |
24.19 |
| 2026-06-07 12:00 |
04:29:38.88 |
+02:48:20.3 |
HIP 21085 |
23.41 |
| 2026-06-08 00:00 |
04:29:42.04 |
+02:48:26.2 |
HIP 21085 |
22.62 |
| 2026-06-08 12:00 |
04:29:45.19 |
+02:48:31.9 |
HIP 21085 |
21.84 |
| 2026-06-09 00:00 |
04:29:48.34 |
+02:48:37.4 |
HIP 21085 |
21.06 |
| 2026-06-09 12:00 |
04:29:51.48 |
+02:48:42.9 |
HIP 21085 |
20.29 |
| 2026-06-10 00:00 |
04:29:54.62 |
+02:48:48.1 |
HIP 21085 |
19.52 |
| 2026-06-10 12:00 |
04:29:57.76 |
+02:48:53.3 |
HIP 21085 |
18.75 |
| 2026-06-11 00:00 |
04:30:00.89 |
+02:48:58.3 |
HIP 21085 |
17.98 |
| 2026-06-11 12:00 |
04:30:04.01 |
+02:49:03.2 |
HIP 21085 |
17.21 |
| 2026-06-12 00:00 |
04:30:07.14 |
+02:49:08.0 |
HIP 21085 |
16.46 |
| 2026-06-12 12:00 |
04:30:10.25 |
+02:49:12.6 |
HIP 21085 |
15.70 |
| 2026-06-13 00:00 |
04:30:13.36 |
+02:49:17.1 |
HIP 21085 |
14.95 |
| 2026-06-13 12:00 |
04:30:16.47 |
+02:49:21.5 |
HIP 21085 |
14.21 |
| 2026-06-14 00:00 |
04:30:19.57 |
+02:49:25.7 |
HIP 21085 |
13.47 |
| 2026-06-14 12:00 |
04:30:22.67 |
+02:49:29.8 |
HIP 21085 |
12.73 |
| 2026-06-15 00:00 |
04:30:25.76 |
+02:49:33.7 |
HIP 21085 |
12.01 |
| 2026-06-15 12:00 |
04:30:28.84 |
+02:49:37.5 |
HIP 21085 |
11.30 |
| 2026-06-16 00:00 |
04:30:31.91 |
+02:49:41.2 |
HIP 21085 |
10.59 |
| 2026-06-16 12:00 |
04:30:34.98 |
+02:49:44.7 |
HIP 21085 |
9.90 |
| 2026-06-17 00:00 |
04:30:38.05 |
+02:49:48.1 |
HIP 21085 |
9.22 |
| 2026-06-17 12:00 |
04:30:41.10 |
+02:49:51.4 |
HIP 21085 |
8.56 |
| 2026-06-18 00:00 |
04:30:44.15 |
+02:49:54.5 |
HIP 21085 |
7.93 |
| 2026-06-18 12:00 |
04:30:47.19 |
+02:49:57.5 |
HIP 21085 |
7.31 |
| 2026-06-19 00:00 |
04:30:50.23 |
+02:50:00.3 |
HIP 21085 |
6.74 |
| 2026-06-19 12:00 |
04:30:53.25 |
+02:50:03.1 |
HIP 21085 |
6.20 |
| 2026-06-20 00:00 |
04:30:56.27 |
+02:50:05.6 |
HIP 21085 |
5.72 |
| 2026-06-20 12:00 |
04:30:59.28 |
+02:50:08.1 |
HIP 21085 |
5.31 |
| 2026-06-21 00:00 |
04:31:02.28 |
+02:50:10.4 |
HIP 21085 |
4.98 |
| 2026-06-21 12:00 |
04:31:05.27 |
+02:50:12.5 |
HIP 21085 |
4.75 |
| 2026-06-22 00:00 |
04:31:08.25 |
+02:50:14.6 |
HIP 21085 |
4.63 |