467P/LINEAR-Grauer
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) |
| 2026-02-03 00:00 |
01:48:32.11 |
+10:58:29.5 |
HIP 8327 |
17.36 |
| 2026-02-03 12:00 |
01:48:44.52 |
+10:59:45.3 |
HIP 8327 |
20.51 |
| 2026-02-04 00:00 |
01:48:57.06 |
+11:01:01.8 |
HIP 8327 |
23.74 |
| 2026-02-04 12:00 |
01:49:09.73 |
+11:02:18.9 |
HIP 8588 |
25.10 |
| 2026-02-05 00:00 |
01:49:22.52 |
+11:03:36.7 |
HIP 8588 |
21.98 |
| 2026-02-05 12:00 |
01:49:35.45 |
+11:04:55.1 |
HIP 8588 |
18.93 |
| 2026-02-06 00:00 |
01:49:48.49 |
+11:06:14.1 |
HIP 8588 |
16.00 |
| 2026-02-06 12:00 |
01:50:01.66 |
+11:07:33.8 |
HIP 8588 |
13.31 |
| 2026-02-07 00:00 |
01:50:14.96 |
+11:08:54.1 |
HIP 8588 |
11.06 |
| 2026-02-07 12:00 |
01:50:28.37 |
+11:10:14.9 |
HIP 8588 |
9.59 |
| 2026-02-08 00:00 |
01:50:41.91 |
+11:11:36.4 |
HIP 8588 |
9.34 |
| 2026-02-08 12:00 |
01:50:55.58 |
+11:12:58.5 |
HIP 8588 |
10.41 |
| 2026-02-09 00:00 |
01:51:09.36 |
+11:14:21.2 |
HIP 8588 |
12.49 |
| 2026-02-09 12:00 |
01:51:23.26 |
+11:15:44.5 |
HIP 8588 |
15.21 |
| 2026-02-10 00:00 |
01:51:37.28 |
+11:17:08.4 |
HIP 8588 |
18.29 |
| 2026-02-10 12:00 |
01:51:51.43 |
+11:18:32.9 |
HIP 8588 |
21.60 |
| 2026-02-11 00:00 |
01:52:05.69 |
+11:19:58.0 |
HIP 8588 |
25.06 |
| 2026-02-11 12:00 |
01:52:20.06 |
+11:21:23.6 |
HIP 8588 |
28.62 |
| 2026-02-12 00:00 |
01:52:34.56 |
+11:22:49.8 |
HIP 8888 |
26.99 |
| 2026-02-12 12:00 |
01:52:49.17 |
+11:24:16.6 |
HIP 8888 |
23.38 |
| 2026-02-13 00:00 |
01:53:03.90 |
+11:25:43.9 |
HIP 8888 |
19.83 |
| 2026-02-13 12:00 |
01:53:18.74 |
+11:27:11.8 |
HIP 8888 |
16.41 |
| 2026-02-14 00:00 |
01:53:33.69 |
+11:28:40.2 |
HIP 8888 |
13.25 |
| 2026-02-14 12:00 |
01:53:48.76 |
+11:30:09.1 |
HIP 8888 |
10.62 |
| 2026-02-15 00:00 |
01:54:03.94 |
+11:31:38.6 |
HIP 8888 |
9.03 |
| 2026-02-15 12:00 |
01:54:19.24 |
+11:33:08.7 |
HIP 8888 |
9.08 |
| 2026-02-16 00:00 |
01:54:34.64 |
+11:34:39.2 |
HIP 8888 |
10.78 |
| 2026-02-16 12:00 |
01:54:50.16 |
+11:36:10.3 |
HIP 8888 |
13.55 |
| 2026-02-17 00:00 |
01:55:05.78 |
+11:37:41.9 |
HIP 8888 |
16.89 |
| 2026-02-17 12:00 |
01:55:21.51 |
+11:39:14.0 |
HIP 8888 |
20.54 |
| 2026-02-18 00:00 |
01:55:37.35 |
+11:40:46.6 |
HIP 9080 |
19.25 |
| 2026-02-18 12:00 |
01:55:53.30 |
+11:42:19.7 |
HIP 9080 |
15.52 |
| 2026-02-19 00:00 |
01:56:09.36 |
+11:43:53.3 |
HIP 9080 |
12.10 |
| 2026-02-19 12:00 |
01:56:25.52 |
+11:45:27.4 |
HIP 9080 |
9.33 |
| 2026-02-20 00:00 |
01:56:41.78 |
+11:47:01.9 |
HIP 9080 |
8.00 |
| 2026-02-20 12:00 |
01:56:58.15 |
+11:48:36.9 |
HIP 9080 |
8.82 |
| 2026-02-21 00:00 |
01:57:14.62 |
+11:50:12.4 |
HIP 9080 |
11.36 |
| 2026-02-21 12:00 |
01:57:31.19 |
+11:51:48.4 |
HIP 9080 |
14.79 |
| 2026-02-22 00:00 |
01:57:47.87 |
+11:53:24.8 |
HIP 9080 |
18.63 |
| 2026-02-22 12:00 |
01:58:04.64 |
+11:55:01.6 |
HIP 9080 |
22.69 |
| 2026-02-23 00:00 |
01:58:21.52 |
+11:56:38.9 |
HIP 9295 |
26.28 |
| 2026-02-23 12:00 |
01:58:38.49 |
+11:58:16.6 |
HIP 9295 |
22.61 |
| 2026-02-24 00:00 |
01:58:55.56 |
+11:59:54.8 |
HIP 9295 |
19.27 |