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) |
| 2026-07-29 00:00 |
07:32:50.68 |
+16:08:31.2 |
HIP 36716 |
10.31 |
| 2026-07-29 12:00 |
07:32:52.87 |
+16:08:24.7 |
HIP 36716 |
10.02 |
| 2026-07-30 00:00 |
07:32:55.06 |
+16:08:18.2 |
HIP 36716 |
9.75 |
| 2026-07-30 12:00 |
07:32:57.25 |
+16:08:11.6 |
HIP 36716 |
9.51 |
| 2026-07-31 00:00 |
07:32:59.43 |
+16:08:05.1 |
HIP 36716 |
9.30 |
| 2026-07-31 12:00 |
07:33:01.60 |
+16:07:58.5 |
HIP 36716 |
9.11 |
| 2026-08-01 00:00 |
07:33:03.77 |
+16:07:51.9 |
HIP 36716 |
8.94 |
| 2026-08-01 12:00 |
07:33:05.93 |
+16:07:45.3 |
HIP 36716 |
8.81 |
| 2026-08-02 00:00 |
07:33:08.08 |
+16:07:38.6 |
HIP 36716 |
8.70 |
| 2026-08-02 12:00 |
07:33:10.23 |
+16:07:32.0 |
HIP 36716 |
8.63 |
| 2026-08-03 00:00 |
07:33:12.38 |
+16:07:25.3 |
HIP 36716 |
8.59 |
| 2026-08-03 12:00 |
07:33:14.51 |
+16:07:18.7 |
HIP 36716 |
8.58 |
| 2026-08-04 00:00 |
07:33:16.64 |
+16:07:12.0 |
HIP 36716 |
8.60 |
| 2026-08-04 12:00 |
07:33:18.77 |
+16:07:05.3 |
HIP 36716 |
8.65 |
| 2026-08-05 00:00 |
07:33:20.88 |
+16:06:58.6 |
HIP 36716 |
8.74 |
| 2026-08-05 12:00 |
07:33:22.99 |
+16:06:51.8 |
HIP 36716 |
8.85 |
| 2026-08-06 00:00 |
07:33:25.10 |
+16:06:45.1 |
HIP 36716 |
8.99 |
| 2026-08-06 12:00 |
07:33:27.19 |
+16:06:38.3 |
HIP 36716 |
9.15 |
| 2026-08-07 00:00 |
07:33:29.28 |
+16:06:31.6 |
HIP 36716 |
9.34 |
| 2026-08-07 12:00 |
07:33:31.36 |
+16:06:24.8 |
HIP 36716 |
9.55 |
| 2026-08-08 00:00 |
07:33:33.43 |
+16:06:18.0 |
HIP 36716 |
9.79 |
| 2026-08-08 12:00 |
07:33:35.49 |
+16:06:11.2 |
HIP 36716 |
10.04 |
| 2026-08-09 00:00 |
07:33:37.55 |
+16:06:04.4 |
HIP 36716 |
10.31 |
| 2026-08-09 12:00 |
07:33:39.60 |
+16:05:57.6 |
HIP 36716 |
10.59 |
| 2026-08-10 00:00 |
07:33:41.64 |
+16:05:50.8 |
HIP 36716 |
10.89 |
| 2026-08-10 12:00 |
07:33:43.67 |
+16:05:44.0 |
HIP 36716 |
11.20 |
| 2026-08-11 00:00 |
07:33:45.69 |
+16:05:37.1 |
HIP 36716 |
11.53 |
| 2026-08-11 12:00 |
07:33:47.70 |
+16:05:30.3 |
HIP 36716 |
11.86 |
| 2026-08-12 00:00 |
07:33:49.71 |
+16:05:23.4 |
HIP 36716 |
12.21 |
| 2026-08-12 12:00 |
07:33:51.70 |
+16:05:16.6 |
HIP 36716 |
12.56 |
| 2026-08-13 00:00 |
07:33:53.69 |
+16:05:09.7 |
HIP 36716 |
12.92 |
| 2026-08-13 12:00 |
07:33:55.66 |
+16:05:02.8 |
HIP 36716 |
13.28 |
| 2026-08-14 00:00 |
07:33:57.63 |
+16:04:56.0 |
HIP 36716 |
13.65 |
| 2026-08-14 12:00 |
07:33:59.58 |
+16:04:49.1 |
HIP 36716 |
14.03 |
| 2026-08-15 00:00 |
07:34:01.53 |
+16:04:42.2 |
HIP 36716 |
14.41 |
| 2026-08-15 12:00 |
07:34:03.46 |
+16:04:35.3 |
HIP 36716 |
14.79 |
| 2026-08-16 00:00 |
07:34:05.39 |
+16:04:28.4 |
HIP 36716 |
15.18 |
| 2026-08-16 12:00 |
07:34:07.30 |
+16:04:21.5 |
HIP 36716 |
15.57 |
| 2026-08-17 00:00 |
07:34:09.21 |
+16:04:14.6 |
HIP 36716 |
15.96 |
| 2026-08-17 12:00 |
07:34:11.10 |
+16:04:07.7 |
HIP 36716 |
16.35 |
| 2026-08-18 00:00 |
07:34:12.98 |
+16:04:00.8 |
HIP 36716 |
16.75 |
| 2026-08-18 12:00 |
07:34:14.85 |
+16:03:54.0 |
HIP 36760 |
17.01 |
| 2026-08-19 00:00 |
07:34:16.71 |
+16:03:47.1 |
HIP 36760 |
17.16 |