메타데이터
| 항목 |
값 |
| Designation |
C/1997 N1 (Tabur) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1997-08-15T11:29:17.433600Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:51Z |
| Obs used |
65 |
| NEO |
- |
| M1 |
12.100 |
| K1 |
6.250 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1997-07-13.0000000 |
| e |
1.00016168 |
| q (au) |
0.395723 |
| a (au) |
-2447.496553 |
| i (deg) |
85.962975 |
| Ω (om, deg) |
147.610977 |
| ω (w, deg) |
344.181841 |
| M (ma, deg) |
-0.000273 |
밝기
산란 + 전체 선형
$$
M_a = (10.434 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.434 |
| n |
6.000 |
| gf |
0.800 |
| gb |
-0.500 |
| k |
0.920 |
| 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) |
| 2026-05-12 00:00 |
21:21:33.22 |
+11:35:51.8 |
HIP 105365 |
15.33 |
| 2026-05-12 12:00 |
21:21:33.13 |
+11:36:06.1 |
HIP 105365 |
15.31 |
| 2026-05-13 00:00 |
21:21:33.03 |
+11:36:20.3 |
HIP 105365 |
15.28 |
| 2026-05-13 12:00 |
21:21:32.91 |
+11:36:34.4 |
HIP 105365 |
15.26 |
| 2026-05-14 00:00 |
21:21:32.77 |
+11:36:48.4 |
HIP 105365 |
15.24 |
| 2026-05-14 12:00 |
21:21:32.61 |
+11:37:02.3 |
HIP 105365 |
15.21 |
| 2026-05-15 00:00 |
21:21:32.43 |
+11:37:16.2 |
HIP 105365 |
15.18 |
| 2026-05-15 12:00 |
21:21:32.23 |
+11:37:29.9 |
HIP 105365 |
15.16 |
| 2026-05-16 00:00 |
21:21:32.02 |
+11:37:43.6 |
HIP 105365 |
15.13 |
| 2026-05-16 12:00 |
21:21:31.78 |
+11:37:57.2 |
HIP 105365 |
15.10 |
| 2026-05-17 00:00 |
21:21:31.53 |
+11:38:10.7 |
HIP 105365 |
15.07 |
| 2026-05-17 12:00 |
21:21:31.26 |
+11:38:24.0 |
HIP 105365 |
15.04 |
| 2026-05-18 00:00 |
21:21:30.97 |
+11:38:37.3 |
HIP 105365 |
15.00 |
| 2026-05-18 12:00 |
21:21:30.66 |
+11:38:50.5 |
HIP 105365 |
14.97 |
| 2026-05-19 00:00 |
21:21:30.33 |
+11:39:03.7 |
HIP 105365 |
14.93 |
| 2026-05-19 12:00 |
21:21:29.99 |
+11:39:16.7 |
HIP 105365 |
14.90 |
| 2026-05-20 00:00 |
21:21:29.63 |
+11:39:29.6 |
HIP 105365 |
14.86 |
| 2026-05-20 12:00 |
21:21:29.25 |
+11:39:42.4 |
HIP 105365 |
14.82 |
| 2026-05-21 00:00 |
21:21:28.85 |
+11:39:55.1 |
HIP 105365 |
14.78 |
| 2026-05-21 12:00 |
21:21:28.43 |
+11:40:07.7 |
HIP 105365 |
14.74 |
| 2026-05-22 00:00 |
21:21:27.99 |
+11:40:20.2 |
HIP 105365 |
14.70 |
| 2026-05-22 12:00 |
21:21:27.54 |
+11:40:32.7 |
HIP 105365 |
14.65 |
| 2026-05-23 00:00 |
21:21:27.07 |
+11:40:45.0 |
HIP 105365 |
14.61 |
| 2026-05-23 12:00 |
21:21:26.58 |
+11:40:57.2 |
HIP 105365 |
14.56 |
| 2026-05-24 00:00 |
21:21:26.07 |
+11:41:09.3 |
HIP 105365 |
14.52 |
| 2026-05-24 12:00 |
21:21:25.54 |
+11:41:21.3 |
HIP 105365 |
14.47 |
| 2026-05-25 00:00 |
21:21:25.00 |
+11:41:33.2 |
HIP 105365 |
14.42 |
| 2026-05-25 12:00 |
21:21:24.44 |
+11:41:44.9 |
HIP 105365 |
14.37 |
| 2026-05-26 00:00 |
21:21:23.86 |
+11:41:56.6 |
HIP 105365 |
14.32 |
| 2026-05-26 12:00 |
21:21:23.26 |
+11:42:08.2 |
HIP 105365 |
14.27 |
| 2026-05-27 00:00 |
21:21:22.65 |
+11:42:19.6 |
HIP 105365 |
14.22 |
| 2026-05-27 12:00 |
21:21:22.01 |
+11:42:31.0 |
HIP 105365 |
14.16 |
| 2026-05-28 00:00 |
21:21:21.36 |
+11:42:42.2 |
HIP 105365 |
14.11 |
| 2026-05-28 12:00 |
21:21:20.70 |
+11:42:53.3 |
HIP 105365 |
14.06 |
| 2026-05-29 00:00 |
21:21:20.01 |
+11:43:04.3 |
HIP 105365 |
14.00 |
| 2026-05-29 12:00 |
21:21:19.31 |
+11:43:15.2 |
HIP 105365 |
13.95 |
| 2026-05-30 00:00 |
21:21:18.59 |
+11:43:26.0 |
HIP 105365 |
13.89 |
| 2026-05-30 12:00 |
21:21:17.85 |
+11:43:36.7 |
HIP 105365 |
13.84 |
| 2026-05-31 00:00 |
21:21:17.09 |
+11:43:47.2 |
HIP 105365 |
13.78 |
| 2026-05-31 12:00 |
21:21:16.32 |
+11:43:57.7 |
HIP 105365 |
13.72 |
| 2026-06-01 00:00 |
21:21:15.53 |
+11:44:08.0 |
HIP 105365 |
13.67 |
| 2026-06-01 12:00 |
21:21:14.73 |
+11:44:18.2 |
HIP 105365 |
13.61 |
| 2026-06-02 00:00 |
21:21:13.90 |
+11:44:28.3 |
HIP 105365 |
13.56 |