메타데이터
| 항목 |
값 |
| Designation |
C/1999 K3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1999-02-27T12:41:00.576960Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:59Z |
| Obs used |
56 |
| NEO |
- |
| M1 |
12.000 |
| K1 |
10.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1999-06-05.0000000 |
| e |
0.99166663 |
| q (au) |
1.928739 |
| a (au) |
231.447744 |
| i (deg) |
92.272667 |
| Ω (om, deg) |
266.912524 |
| ω (w, deg) |
341.146990 |
| M (ma, deg) |
0.027284 |
밝기
산란 + 전체 선형
$$
M_a = (16.929 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.929 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-07-29 00:00 |
05:58:11.29 |
+63:28:28.6 |
HIP 28078 |
18.02 |
| 2026-07-29 12:00 |
05:58:15.57 |
+63:28:41.0 |
HIP 28078 |
18.53 |
| 2026-07-30 00:00 |
05:58:19.83 |
+63:28:53.6 |
HIP 28078 |
19.03 |
| 2026-07-30 12:00 |
05:58:24.07 |
+63:29:06.3 |
HIP 28078 |
19.53 |
| 2026-07-31 00:00 |
05:58:28.28 |
+63:29:19.2 |
HIP 28078 |
20.03 |
| 2026-07-31 12:00 |
05:58:32.46 |
+63:29:32.3 |
HIP 28078 |
20.53 |
| 2026-08-01 00:00 |
05:58:36.62 |
+63:29:45.4 |
HIP 28078 |
21.03 |
| 2026-08-01 12:00 |
05:58:40.74 |
+63:29:58.8 |
HIP 28078 |
21.54 |
| 2026-08-02 00:00 |
05:58:44.85 |
+63:30:12.2 |
HIP 28078 |
22.04 |
| 2026-08-02 12:00 |
05:58:48.92 |
+63:30:25.8 |
HIP 28078 |
22.54 |
| 2026-08-03 00:00 |
05:58:52.97 |
+63:30:39.6 |
HIP 28078 |
23.04 |
| 2026-08-03 12:00 |
05:58:56.99 |
+63:30:53.5 |
HIP 28078 |
23.53 |
| 2026-08-04 00:00 |
05:59:00.98 |
+63:31:07.6 |
HIP 28078 |
24.03 |
| 2026-08-04 12:00 |
05:59:04.94 |
+63:31:21.8 |
HIP 28078 |
24.53 |
| 2026-08-05 00:00 |
05:59:08.88 |
+63:31:36.1 |
HIP 28078 |
25.02 |
| 2026-08-05 12:00 |
05:59:12.78 |
+63:31:50.6 |
HIP 28078 |
25.52 |
| 2026-08-06 00:00 |
05:59:16.66 |
+63:32:05.2 |
HIP 28078 |
26.01 |
| 2026-08-06 12:00 |
05:59:20.50 |
+63:32:19.9 |
HIP 28078 |
26.50 |
| 2026-08-07 00:00 |
05:59:24.32 |
+63:32:34.8 |
HIP 28078 |
26.99 |
| 2026-08-07 12:00 |
05:59:28.10 |
+63:32:49.8 |
HIP 28078 |
27.48 |
| 2026-08-08 00:00 |
05:59:31.86 |
+63:33:05.0 |
HIP 28078 |
27.97 |
| 2026-08-08 12:00 |
05:59:35.58 |
+63:33:20.3 |
HIP 28078 |
28.46 |
| 2026-08-09 00:00 |
05:59:39.28 |
+63:33:35.7 |
HIP 28078 |
28.94 |
| 2026-08-09 12:00 |
05:59:42.94 |
+63:33:51.3 |
HIP 28078 |
29.42 |
| 2026-08-10 00:00 |
05:59:46.57 |
+63:34:07.0 |
HIP 28078 |
29.90 |
| 2026-08-10 12:00 |
05:59:50.17 |
+63:34:22.8 |
HIP 28078 |
30.38 |
| 2026-08-11 00:00 |
05:59:53.73 |
+63:34:38.8 |
HIP 28093 |
30.80 |
| 2026-08-11 12:00 |
05:59:57.27 |
+63:34:54.8 |
HIP 28093 |
30.94 |
| 2026-08-12 00:00 |
06:00:00.77 |
+63:35:11.1 |
HIP 28093 |
31.08 |
| 2026-08-12 12:00 |
06:00:04.23 |
+63:35:27.4 |
HIP 28093 |
31.21 |
| 2026-08-13 00:00 |
06:00:07.67 |
+63:35:43.9 |
HIP 28093 |
31.36 |
| 2026-08-13 12:00 |
06:00:11.07 |
+63:36:00.5 |
HIP 28093 |
31.50 |
| 2026-08-14 00:00 |
06:00:14.43 |
+63:36:17.2 |
HIP 28093 |
31.64 |
| 2026-08-14 12:00 |
06:00:17.76 |
+63:36:34.0 |
HIP 28093 |
31.79 |
| 2026-08-15 00:00 |
06:00:21.06 |
+63:36:51.0 |
HIP 28093 |
31.94 |
| 2026-08-15 12:00 |
06:00:24.32 |
+63:37:08.1 |
HIP 28093 |
32.09 |
| 2026-08-16 00:00 |
06:00:27.55 |
+63:37:25.3 |
HIP 28093 |
32.24 |
| 2026-08-16 12:00 |
06:00:30.74 |
+63:37:42.6 |
HIP 28093 |
32.39 |
| 2026-08-17 00:00 |
06:00:33.89 |
+63:38:00.1 |
HIP 28093 |
32.55 |
| 2026-08-17 12:00 |
06:00:37.01 |
+63:38:17.6 |
HIP 28093 |
32.70 |
| 2026-08-18 00:00 |
06:00:40.10 |
+63:38:35.3 |
HIP 28093 |
32.86 |
| 2026-08-18 12:00 |
06:00:43.15 |
+63:38:53.1 |
HIP 28093 |
33.01 |
| 2026-08-19 00:00 |
06:00:46.16 |
+63:39:11.0 |
HIP 28093 |
33.17 |