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
$$
M_a = (14.650 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.650 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.936 |
| k |
1.000 |
| 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 |
02:55:04.80 |
+16:46:44.2 |
HIP 13601 |
28.34 |
| 2026-05-12 12:00 |
02:55:28.93 |
+16:48:32.8 |
HIP 13601 |
30.12 |
| 2026-05-13 00:00 |
02:55:53.05 |
+16:50:21.3 |
HIP 13752 |
29.06 |
| 2026-05-13 12:00 |
02:56:17.17 |
+16:52:09.5 |
HIP 13752 |
24.61 |
| 2026-05-14 00:00 |
02:56:41.29 |
+16:53:57.5 |
HIP 13752 |
20.98 |
| 2026-05-14 12:00 |
02:57:05.40 |
+16:55:45.3 |
HIP 13752 |
18.64 |
| 2026-05-15 00:00 |
02:57:29.51 |
+16:57:32.9 |
HIP 13752 |
18.11 |
| 2026-05-15 12:00 |
02:57:53.62 |
+16:59:20.2 |
HIP 13752 |
19.52 |
| 2026-05-16 00:00 |
02:58:17.72 |
+17:01:07.3 |
HIP 13752 |
22.52 |
| 2026-05-16 12:00 |
02:58:41.81 |
+17:02:54.2 |
HIP 13752 |
26.56 |
| 2026-05-17 00:00 |
02:59:05.89 |
+17:04:40.8 |
HIP 13752 |
31.25 |
| 2026-05-17 12:00 |
02:59:29.97 |
+17:06:27.2 |
HIP 13870 |
36.29 |
| 2026-05-18 00:00 |
02:59:54.04 |
+17:08:13.4 |
HIP 13870 |
37.05 |
| 2026-05-18 12:00 |
03:00:18.10 |
+17:09:59.3 |
HIP 13870 |
38.73 |
| 2026-05-19 00:00 |
03:00:42.15 |
+17:11:44.9 |
HIP 14183 |
38.41 |
| 2026-05-19 12:00 |
03:01:06.19 |
+17:13:30.3 |
HIP 14183 |
32.77 |
| 2026-05-20 00:00 |
03:01:30.21 |
+17:15:15.5 |
HIP 14183 |
27.28 |
| 2026-05-20 12:00 |
03:01:54.23 |
+17:17:00.4 |
HIP 14183 |
22.07 |
| 2026-05-21 00:00 |
03:02:18.23 |
+17:18:45.0 |
HIP 14183 |
17.37 |
| 2026-05-21 12:00 |
03:02:42.22 |
+17:20:29.4 |
HIP 14183 |
13.71 |
| 2026-05-22 00:00 |
03:03:06.19 |
+17:22:13.5 |
HIP 14183 |
12.09 |
| 2026-05-22 12:00 |
03:03:30.15 |
+17:23:57.4 |
HIP 14183 |
13.26 |
| 2026-05-23 00:00 |
03:03:54.10 |
+17:25:41.0 |
HIP 14183 |
16.63 |
| 2026-05-23 12:00 |
03:04:18.03 |
+17:27:24.3 |
HIP 14183 |
21.17 |
| 2026-05-24 00:00 |
03:04:41.94 |
+17:29:07.3 |
HIP 14183 |
26.28 |
| 2026-05-24 12:00 |
03:05:05.83 |
+17:30:50.1 |
HIP 14183 |
31.68 |
| 2026-05-25 00:00 |
03:05:29.71 |
+17:32:32.6 |
HIP 14514 |
34.25 |
| 2026-05-25 12:00 |
03:05:53.57 |
+17:34:14.9 |
HIP 14514 |
28.73 |
| 2026-05-26 00:00 |
03:06:17.41 |
+17:35:56.8 |
HIP 14514 |
23.41 |
| 2026-05-26 12:00 |
03:06:41.24 |
+17:37:38.5 |
HIP 14514 |
18.49 |
| 2026-05-27 00:00 |
03:07:05.04 |
+17:39:19.9 |
HIP 14514 |
14.34 |
| 2026-05-27 12:00 |
03:07:28.82 |
+17:41:01.0 |
HIP 14514 |
11.81 |
| 2026-05-28 00:00 |
03:07:52.58 |
+17:42:41.8 |
HIP 14514 |
11.96 |
| 2026-05-28 12:00 |
03:08:16.32 |
+17:44:22.3 |
HIP 14514 |
14.71 |
| 2026-05-29 00:00 |
03:08:40.04 |
+17:46:02.6 |
HIP 14683 |
16.08 |
| 2026-05-29 12:00 |
03:09:03.73 |
+17:47:42.5 |
HIP 14683 |
12.17 |
| 2026-05-30 00:00 |
03:09:27.40 |
+17:49:22.2 |
HIP 14683 |
10.32 |
| 2026-05-30 12:00 |
03:09:51.05 |
+17:51:01.6 |
HIP 14683 |
11.57 |
| 2026-05-31 00:00 |
03:10:14.68 |
+17:52:40.7 |
HIP 14683 |
15.17 |
| 2026-05-31 12:00 |
03:10:38.28 |
+17:54:19.5 |
HIP 14683 |
19.86 |
| 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 |