메타데이터
| 항목 |
값 |
| Designation |
467P/LINEAR-Grauer |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2009-01-06T17:10:22.854720Z |
| Orbit solution date (soln_date, UTC) |
2025-01-02T20:13:05Z |
| Obs used |
98 |
| NEO |
- |
| M1 |
8.000 |
| K1 |
12.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-04-20T09:25:04.483200Z |
| Discovery magnitude (MPC) |
23.00 G |
| Discovery observatory (MPC) |
I11 · Gemini South Observatory, Cerro Pachon |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-10-23.0000000 |
| e |
0.07147570 |
| q (au) |
5.293712 |
| a (au) |
5.701210 |
| i (deg) |
2.531000 |
| Ω (om, deg) |
44.086442 |
| ω (w, deg) |
264.661424 |
| M (ma, deg) |
100.298035 |
밝기
산란 + 전체 선형
$$
M_a = (14.752 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.752 |
| n |
2.000 |
| gf |
0.858 |
| gb |
-0.936 |
| k |
1.000 |
| δ90 |
5.591 |
| 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 |
03:11:01.85 |
+17:55:57.9 |
HIP 14683 |
25.04 |
| 2026-06-01 12:00 |
03:11:25.40 |
+17:57:36.1 |
HIP 14721 |
29.29 |
| 2026-06-02 00:00 |
03:11:48.92 |
+17:59:14.0 |
HIP 15052 |
31.45 |
| 2026-06-02 12:00 |
03:12:12.42 |
+18:00:51.6 |
HIP 15052 |
26.40 |
| 2026-06-03 00:00 |
03:12:35.89 |
+18:02:28.9 |
HIP 15052 |
21.74 |
| 2026-06-03 12:00 |
03:12:59.33 |
+18:04:05.9 |
HIP 15052 |
17.78 |
| 2026-06-04 00:00 |
03:13:22.74 |
+18:05:42.6 |
HIP 15052 |
15.07 |
| 2026-06-04 12:00 |
03:13:46.12 |
+18:07:18.9 |
HIP 15062 |
11.81 |
| 2026-06-05 00:00 |
03:14:09.47 |
+18:08:55.0 |
HIP 15062 |
9.41 |
| 2026-06-05 12:00 |
03:14:32.79 |
+18:10:30.7 |
HIP 15098 |
9.34 |
| 2026-06-06 00:00 |
03:14:56.08 |
+18:12:06.1 |
HIP 15098 |
10.65 |
| 2026-06-06 12:00 |
03:15:19.34 |
+18:13:41.3 |
HIP 15098 |
14.35 |
| 2026-06-07 00:00 |
03:15:42.57 |
+18:15:16.1 |
HIP 15098 |
19.07 |
| 2026-06-07 12:00 |
03:16:05.76 |
+18:16:50.5 |
HIP 15098 |
24.23 |
| 2026-06-08 00:00 |
03:16:28.92 |
+18:18:24.7 |
HIP 15381 |
27.60 |
| 2026-06-08 12:00 |
03:16:52.04 |
+18:19:58.5 |
HIP 15381 |
23.02 |
| 2026-06-09 00:00 |
03:17:15.13 |
+18:21:32.0 |
HIP 15381 |
19.06 |
| 2026-06-09 12:00 |
03:17:38.19 |
+18:23:05.2 |
HIP 15412 |
15.86 |
| 2026-06-10 00:00 |
03:18:01.21 |
+18:24:38.1 |
HIP 15412 |
10.20 |
| 2026-06-10 12:00 |
03:18:24.19 |
+18:26:10.6 |
HIP 15412 |
4.60 |
| 2026-06-11 00:00 |
03:18:47.13 |
+18:27:42.8 |
HIP 15412 |
1.55 |
| 2026-06-11 12:00 |
03:19:10.04 |
+18:29:14.6 |
HIP 15412 |
6.88 |
| 2026-06-12 00:00 |
03:19:32.90 |
+18:30:46.2 |
HIP 15412 |
12.48 |
| 2026-06-12 12:00 |
03:19:55.73 |
+18:32:17.3 |
HIP 15588 |
16.95 |
| 2026-06-13 00:00 |
03:20:18.51 |
+18:33:48.2 |
HIP 15588 |
12.36 |
| 2026-06-13 12:00 |
03:20:41.26 |
+18:35:18.7 |
HIP 15588 |
9.02 |
| 2026-06-14 00:00 |
03:21:03.96 |
+18:36:48.9 |
HIP 15588 |
8.51 |
| 2026-06-14 12:00 |
03:21:26.62 |
+18:38:18.7 |
HIP 15588 |
11.21 |
| 2026-06-15 00:00 |
03:21:49.23 |
+18:39:48.1 |
HIP 15588 |
15.51 |
| 2026-06-15 12:00 |
03:22:11.80 |
+18:41:17.3 |
HIP 15588 |
20.42 |
| 2026-06-16 00:00 |
03:22:34.32 |
+18:42:46.0 |
HIP 15808 |
18.10 |
| 2026-06-16 12:00 |
03:22:56.80 |
+18:44:14.4 |
HIP 15808 |
14.87 |
| 2026-06-17 00:00 |
03:23:19.23 |
+18:45:42.5 |
HIP 15808 |
13.27 |
| 2026-06-17 12:00 |
03:23:41.61 |
+18:47:10.2 |
HIP 15808 |
13.83 |
| 2026-06-18 00:00 |
03:24:03.95 |
+18:48:37.5 |
HIP 15808 |
16.33 |
| 2026-06-18 12:00 |
03:24:26.23 |
+18:50:04.5 |
HIP 15808 |
20.05 |
| 2026-06-19 00:00 |
03:24:48.47 |
+18:51:31.2 |
HIP 15808 |
24.42 |
| 2026-06-19 12:00 |
03:25:10.65 |
+18:52:57.4 |
HIP 16077 |
27.69 |
| 2026-06-20 00:00 |
03:25:32.78 |
+18:54:23.3 |
HIP 16077 |
23.21 |
| 2026-06-20 12:00 |
03:25:54.86 |
+18:55:48.9 |
HIP 16077 |
19.24 |
| 2026-06-21 00:00 |
03:26:16.89 |
+18:57:14.1 |
HIP 16077 |
16.13 |
| 2026-06-21 12:00 |
03:26:38.87 |
+18:58:38.9 |
HIP 16077 |
14.45 |
| 2026-06-22 00:00 |
03:27:00.79 |
+19:00:03.3 |
HIP 16109 |
13.40 |