메타데이터
| 항목 |
값 |
| Designation |
C/2000 K1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1999-12-14T12:17:47.273280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:04Z |
| Obs used |
304 |
| NEO |
- |
| M1 |
6.200 |
| K1 |
8.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2000-09-03.0000000 |
| e |
1.00229832 |
| q (au) |
6.275829 |
| a (au) |
-2730.610936 |
| i (deg) |
116.789203 |
| Ω (om, deg) |
260.198200 |
| ω (w, deg) |
15.791006 |
| M (ma, deg) |
0.001820 |
밝기
산란 + 전체 선형
$$
M_a = (0.447 + 5.589\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
0.447 |
| n |
5.589 |
| gf |
0.999 |
| gb |
-0.500 |
| 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 |
06:15:36.79 |
+48:06:56.8 |
HIP 29556 |
19.92 |
| 2026-05-12 12:00 |
06:15:39.48 |
+48:06:42.3 |
HIP 29556 |
20.31 |
| 2026-05-13 00:00 |
06:15:42.18 |
+48:06:27.9 |
HIP 29556 |
20.70 |
| 2026-05-13 12:00 |
06:15:44.91 |
+48:06:13.6 |
HIP 29556 |
21.11 |
| 2026-05-14 00:00 |
06:15:47.66 |
+48:05:59.5 |
HIP 29556 |
21.52 |
| 2026-05-14 12:00 |
06:15:50.43 |
+48:05:45.4 |
HIP 29556 |
21.94 |
| 2026-05-15 00:00 |
06:15:53.22 |
+48:05:31.4 |
HIP 29556 |
22.37 |
| 2026-05-15 12:00 |
06:15:56.03 |
+48:05:17.5 |
HIP 29556 |
22.81 |
| 2026-05-16 00:00 |
06:15:58.86 |
+48:05:03.7 |
HIP 29556 |
23.26 |
| 2026-05-16 12:00 |
06:16:01.71 |
+48:04:50.0 |
HIP 29556 |
23.71 |
| 2026-05-17 00:00 |
06:16:04.58 |
+48:04:36.4 |
HIP 29556 |
24.16 |
| 2026-05-17 12:00 |
06:16:07.46 |
+48:04:23.0 |
HIP 29556 |
24.63 |
| 2026-05-18 00:00 |
06:16:10.37 |
+48:04:09.6 |
HIP 29556 |
25.10 |
| 2026-05-18 12:00 |
06:16:13.29 |
+48:03:56.3 |
HIP 29976 |
25.32 |
| 2026-05-19 00:00 |
06:16:16.24 |
+48:03:43.2 |
HIP 29976 |
24.79 |
| 2026-05-19 12:00 |
06:16:19.20 |
+48:03:30.1 |
HIP 29976 |
24.26 |
| 2026-05-20 00:00 |
06:16:22.18 |
+48:03:17.1 |
HIP 29976 |
23.72 |
| 2026-05-20 12:00 |
06:16:25.18 |
+48:03:04.3 |
HIP 29976 |
23.18 |
| 2026-05-21 00:00 |
06:16:28.19 |
+48:02:51.6 |
HIP 29976 |
22.64 |
| 2026-05-21 12:00 |
06:16:31.22 |
+48:02:38.9 |
HIP 29976 |
22.10 |
| 2026-05-22 00:00 |
06:16:34.27 |
+48:02:26.4 |
HIP 29976 |
21.55 |
| 2026-05-22 12:00 |
06:16:37.34 |
+48:02:14.0 |
HIP 29976 |
21.00 |
| 2026-05-23 00:00 |
06:16:40.42 |
+48:02:01.7 |
HIP 29976 |
20.46 |
| 2026-05-23 12:00 |
06:16:43.52 |
+48:01:49.5 |
HIP 29976 |
19.90 |
| 2026-05-24 00:00 |
06:16:46.63 |
+48:01:37.4 |
HIP 29976 |
19.35 |
| 2026-05-24 12:00 |
06:16:49.76 |
+48:01:25.5 |
HIP 29976 |
18.80 |
| 2026-05-25 00:00 |
06:16:52.91 |
+48:01:13.6 |
HIP 29976 |
18.24 |
| 2026-05-25 12:00 |
06:16:56.07 |
+48:01:01.9 |
HIP 29976 |
17.68 |
| 2026-05-26 00:00 |
06:16:59.24 |
+48:00:50.2 |
HIP 29976 |
17.12 |
| 2026-05-26 12:00 |
06:17:02.43 |
+48:00:38.7 |
HIP 29976 |
16.56 |
| 2026-05-27 00:00 |
06:17:05.64 |
+48:00:27.3 |
HIP 29976 |
16.00 |
| 2026-05-27 12:00 |
06:17:08.86 |
+48:00:16.0 |
HIP 29976 |
15.43 |
| 2026-05-28 00:00 |
06:17:12.09 |
+48:00:04.8 |
HIP 29976 |
14.86 |
| 2026-05-28 12:00 |
06:17:15.34 |
+47:59:53.7 |
HIP 29976 |
14.30 |
| 2026-05-29 00:00 |
06:17:18.60 |
+47:59:42.8 |
HIP 29976 |
13.73 |
| 2026-05-29 12:00 |
06:17:21.87 |
+47:59:31.9 |
HIP 29976 |
13.15 |
| 2026-05-30 00:00 |
06:17:25.16 |
+47:59:21.2 |
HIP 29976 |
12.58 |
| 2026-05-30 12:00 |
06:17:28.46 |
+47:59:10.6 |
HIP 29976 |
12.01 |
| 2026-05-31 00:00 |
06:17:31.77 |
+47:59:00.1 |
HIP 29976 |
11.43 |
| 2026-05-31 12:00 |
06:17:35.09 |
+47:58:49.7 |
HIP 29976 |
10.86 |
| 2026-06-01 00:00 |
06:17:38.43 |
+47:58:39.5 |
HIP 29976 |
10.28 |
| 2026-06-01 12:00 |
06:17:41.78 |
+47:58:29.3 |
HIP 29976 |
9.70 |
| 2026-06-02 00:00 |
06:17:45.14 |
+47:58:19.3 |
HIP 29976 |
9.12 |