메타데이터
| 항목 |
값 |
| Designation |
492P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-10-19T14:24:35.294400Z |
| Orbit solution date (soln_date, UTC) |
2026-03-07T11:43:24Z |
| Obs used |
802 |
| NEO |
- |
| M1 |
14.500 |
| K1 |
9.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-07-18T11:25:10.848000Z |
| Discovery magnitude (MPC) |
19.90 r |
| Discovery observatory (MPC) |
I41 · Palomar Mountain–ZTF |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2013-12-01.0000000 |
| e |
0.69164881 |
| q (au) |
1.771711 |
| a (au) |
5.745757 |
| i (deg) |
11.457418 |
| Ω (om, deg) |
11.488927 |
| ω (w, deg) |
41.023047 |
| M (ma, deg) |
81.466296 |
밝기
산란 + 전체 선형
$$
M_a = (13.477 + 4.164\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.477 |
| n |
4.164 |
| gf |
1.000 |
| gb |
-0.503 |
| 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 |
11:43:58.29 |
+03:38:10.7 |
HIP 57302 |
37.15 |
| 2026-05-12 12:00 |
11:43:52.80 |
+03:38:12.4 |
HIP 57028 |
37.05 |
| 2026-05-13 00:00 |
11:43:47.49 |
+03:38:13.0 |
HIP 57028 |
35.81 |
| 2026-05-13 12:00 |
11:43:42.35 |
+03:38:12.6 |
HIP 57028 |
34.62 |
| 2026-05-14 00:00 |
11:43:37.38 |
+03:38:11.1 |
HIP 57028 |
33.48 |
| 2026-05-14 12:00 |
11:43:32.59 |
+03:38:08.6 |
HIP 57028 |
32.39 |
| 2026-05-15 00:00 |
11:43:27.97 |
+03:38:05.0 |
HIP 57028 |
31.36 |
| 2026-05-15 12:00 |
11:43:23.52 |
+03:38:00.3 |
HIP 57028 |
30.39 |
| 2026-05-16 00:00 |
11:43:19.25 |
+03:37:54.6 |
HIP 57028 |
29.47 |
| 2026-05-16 12:00 |
11:43:15.16 |
+03:37:47.9 |
HIP 57028 |
28.61 |
| 2026-05-17 00:00 |
11:43:11.23 |
+03:37:40.1 |
HIP 57028 |
27.81 |
| 2026-05-17 12:00 |
11:43:07.48 |
+03:37:31.2 |
HIP 57028 |
27.07 |
| 2026-05-18 00:00 |
11:43:03.91 |
+03:37:21.3 |
HIP 57028 |
26.39 |
| 2026-05-18 12:00 |
11:43:00.51 |
+03:37:10.4 |
HIP 57028 |
25.76 |
| 2026-05-19 00:00 |
11:42:57.28 |
+03:36:58.4 |
HIP 57028 |
25.20 |
| 2026-05-19 12:00 |
11:42:54.23 |
+03:36:45.4 |
HIP 57028 |
24.69 |
| 2026-05-20 00:00 |
11:42:51.35 |
+03:36:31.3 |
HIP 57028 |
24.25 |
| 2026-05-20 12:00 |
11:42:48.64 |
+03:36:16.2 |
HIP 57028 |
23.87 |
| 2026-05-21 00:00 |
11:42:46.11 |
+03:36:00.1 |
HIP 57028 |
23.55 |
| 2026-05-21 12:00 |
11:42:43.74 |
+03:35:42.9 |
HIP 57028 |
23.28 |
| 2026-05-22 00:00 |
11:42:41.55 |
+03:35:24.8 |
HIP 57028 |
23.08 |
| 2026-05-22 12:00 |
11:42:39.53 |
+03:35:05.6 |
HIP 57028 |
22.93 |
| 2026-05-23 00:00 |
11:42:37.68 |
+03:34:45.4 |
HIP 57028 |
22.84 |
| 2026-05-23 12:00 |
11:42:36.00 |
+03:34:24.1 |
HIP 57028 |
22.80 |
| 2026-05-24 00:00 |
11:42:34.49 |
+03:34:01.9 |
HIP 57028 |
22.82 |
| 2026-05-24 12:00 |
11:42:33.14 |
+03:33:38.7 |
HIP 57028 |
22.89 |
| 2026-05-25 00:00 |
11:42:31.97 |
+03:33:14.5 |
HIP 57028 |
23.01 |
| 2026-05-25 12:00 |
11:42:30.97 |
+03:32:49.3 |
HIP 57028 |
23.18 |
| 2026-05-26 00:00 |
11:42:30.13 |
+03:32:23.1 |
HIP 57028 |
23.40 |
| 2026-05-26 12:00 |
11:42:29.46 |
+03:31:55.9 |
HIP 57028 |
23.66 |
| 2026-05-27 00:00 |
11:42:28.95 |
+03:31:27.7 |
HIP 57028 |
23.97 |
| 2026-05-27 12:00 |
11:42:28.61 |
+03:30:58.6 |
HIP 57028 |
24.32 |
| 2026-05-28 00:00 |
11:42:28.44 |
+03:30:28.5 |
HIP 57028 |
24.71 |
| 2026-05-28 12:00 |
11:42:28.43 |
+03:29:57.4 |
HIP 57028 |
25.14 |
| 2026-05-29 00:00 |
11:42:28.59 |
+03:29:25.3 |
HIP 57028 |
25.61 |
| 2026-05-29 12:00 |
11:42:28.90 |
+03:28:52.3 |
HIP 57028 |
26.12 |
| 2026-05-30 00:00 |
11:42:29.38 |
+03:28:18.4 |
HIP 57028 |
26.67 |
| 2026-05-30 12:00 |
11:42:30.03 |
+03:27:43.5 |
HIP 57028 |
27.25 |
| 2026-05-31 00:00 |
11:42:30.83 |
+03:27:07.6 |
HIP 57028 |
27.86 |
| 2026-05-31 12:00 |
11:42:31.80 |
+03:26:30.8 |
HIP 57028 |
28.51 |
| 2026-06-01 00:00 |
11:42:32.92 |
+03:25:53.1 |
HIP 57028 |
29.20 |
| 2026-06-01 12:00 |
11:42:34.21 |
+03:25:14.4 |
HIP 57028 |
29.92 |
| 2026-06-02 00:00 |
11:42:35.65 |
+03:24:34.8 |
HIP 57028 |
30.67 |