메타데이터
| 항목 |
값 |
| Designation |
C/1998 K3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1998-03-07T04:25:03.285120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:53Z |
| Obs used |
178 |
| NEO |
- |
| M1 |
10.000 |
| K1 |
10.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1998-06-05.0000000 |
| e |
0.99798200 |
| q (au) |
3.546314 |
| a (au) |
1757.339168 |
| i (deg) |
160.205607 |
| Ω (om, deg) |
307.947616 |
| ω (w, deg) |
47.827040 |
| M (ma, deg) |
0.001202 |
밝기
산란 + 전체 선형
$$
M_a = (7.600 + 5.993\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.600 |
| n |
5.993 |
| gf |
0.875 |
| gb |
-0.500 |
| k |
0.953 |
| δ90 |
1.000 |
| 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) |
| 2026-09-20 00:00 |
07:35:46.65 |
+15:56:46.9 |
HIP 37019 |
13.18 |
| 2026-09-20 12:00 |
07:35:47.52 |
+15:56:41.0 |
HIP 37019 |
13.07 |
| 2026-09-21 00:00 |
07:35:48.37 |
+15:56:35.1 |
HIP 37019 |
12.97 |
| 2026-09-21 12:00 |
07:35:49.19 |
+15:56:29.2 |
HIP 37019 |
12.87 |
| 2026-09-22 00:00 |
07:35:50.00 |
+15:56:23.4 |
HIP 37019 |
12.79 |
| 2026-09-22 12:00 |
07:35:50.79 |
+15:56:17.7 |
HIP 37019 |
12.70 |
| 2026-09-23 00:00 |
07:35:51.56 |
+15:56:11.9 |
HIP 37019 |
12.63 |
| 2026-09-23 12:00 |
07:35:52.32 |
+15:56:06.2 |
HIP 37019 |
12.55 |
| 2026-09-24 00:00 |
07:35:53.05 |
+15:56:00.5 |
HIP 37019 |
12.49 |
| 2026-09-24 12:00 |
07:35:53.76 |
+15:55:54.9 |
HIP 37019 |
12.43 |
| 2026-09-25 00:00 |
07:35:54.46 |
+15:55:49.2 |
HIP 37019 |
12.38 |
| 2026-09-25 12:00 |
07:35:55.13 |
+15:55:43.7 |
HIP 37019 |
12.33 |
| 2026-09-26 00:00 |
07:35:55.79 |
+15:55:38.1 |
HIP 37019 |
12.29 |
| 2026-09-26 12:00 |
07:35:56.42 |
+15:55:32.6 |
HIP 37019 |
12.25 |
| 2026-09-27 00:00 |
07:35:57.04 |
+15:55:27.1 |
HIP 37019 |
12.22 |
| 2026-09-27 12:00 |
07:35:57.63 |
+15:55:21.7 |
HIP 37019 |
12.19 |
| 2026-09-28 00:00 |
07:35:58.21 |
+15:55:16.3 |
HIP 37019 |
12.17 |
| 2026-09-28 12:00 |
07:35:58.77 |
+15:55:10.9 |
HIP 37019 |
12.15 |
| 2026-09-29 00:00 |
07:35:59.30 |
+15:55:05.6 |
HIP 37019 |
12.14 |
| 2026-09-29 12:00 |
07:35:59.82 |
+15:55:00.3 |
HIP 37019 |
12.13 |
| 2026-09-30 00:00 |
07:36:00.31 |
+15:54:55.0 |
HIP 37019 |
12.13 |
| 2026-09-30 12:00 |
07:36:00.79 |
+15:54:49.8 |
HIP 37019 |
12.13 |
| 2026-10-01 00:00 |
07:36:01.25 |
+15:54:44.6 |
HIP 37019 |
12.13 |
| 2026-10-01 12:00 |
07:36:01.68 |
+15:54:39.4 |
HIP 37019 |
12.14 |
| 2026-10-02 00:00 |
07:36:02.10 |
+15:54:34.3 |
HIP 37019 |
12.15 |
| 2026-10-02 12:00 |
07:36:02.49 |
+15:54:29.3 |
HIP 37019 |
12.17 |
| 2026-10-03 00:00 |
07:36:02.87 |
+15:54:24.2 |
HIP 37019 |
12.19 |
| 2026-10-03 12:00 |
07:36:03.22 |
+15:54:19.3 |
HIP 37019 |
12.21 |
| 2026-10-04 00:00 |
07:36:03.56 |
+15:54:14.3 |
HIP 37019 |
12.24 |
| 2026-10-04 12:00 |
07:36:03.87 |
+15:54:09.4 |
HIP 37019 |
12.27 |
| 2026-10-05 00:00 |
07:36:04.16 |
+15:54:04.5 |
HIP 37019 |
12.30 |
| 2026-10-05 12:00 |
07:36:04.43 |
+15:53:59.7 |
HIP 37019 |
12.33 |
| 2026-10-06 00:00 |
07:36:04.68 |
+15:53:54.9 |
HIP 37019 |
12.37 |
| 2026-10-06 12:00 |
07:36:04.91 |
+15:53:50.2 |
HIP 37019 |
12.41 |
| 2026-10-07 00:00 |
07:36:05.12 |
+15:53:45.5 |
HIP 37019 |
12.46 |
| 2026-10-07 12:00 |
07:36:05.31 |
+15:53:40.8 |
HIP 37019 |
12.50 |
| 2026-10-08 00:00 |
07:36:05.48 |
+15:53:36.2 |
HIP 37019 |
12.55 |
| 2026-10-08 12:00 |
07:36:05.62 |
+15:53:31.7 |
HIP 37019 |
12.60 |
| 2026-10-09 00:00 |
07:36:05.74 |
+15:53:27.1 |
HIP 37019 |
12.65 |
| 2026-10-09 12:00 |
07:36:05.85 |
+15:53:22.7 |
HIP 37019 |
12.70 |
| 2026-10-10 00:00 |
07:36:05.93 |
+15:53:18.2 |
HIP 37019 |
12.76 |
| 2026-10-10 12:00 |
07:36:05.99 |
+15:53:13.8 |
HIP 37019 |
12.82 |
| 2026-10-11 00:00 |
07:36:06.03 |
+15:53:09.5 |
HIP 37019 |
12.88 |