메타데이터
| 항목 |
값 |
| Designation |
C/2007 D3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-05-27T16:50:25.203840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:04Z |
| Obs used |
177 |
| NEO |
- |
| M1 |
8.800 |
| K1 |
8.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2007-11-28.0000000 |
| e |
0.99201293 |
| q (au) |
5.208969 |
| a (au) |
652.174844 |
| i (deg) |
45.920258 |
| Ω (om, deg) |
148.429528 |
| ω (w, deg) |
309.094137 |
| M (ma, deg) |
0.010906 |
밝기
산란 + 전체 선형
$$
M_a = (8.625 + 3.167\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.625 |
| n |
3.167 |
| gf |
1.000 |
| gb |
-0.948 |
| 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) |
| 2026-06-01 00:00 |
15:59:49.44 |
+27:23:05.3 |
HIP 78470 |
22.55 |
| 2026-06-01 12:00 |
15:59:46.11 |
+27:23:05.8 |
HIP 78470 |
23.13 |
| 2026-06-02 00:00 |
15:59:42.79 |
+27:23:05.9 |
HIP 78470 |
23.71 |
| 2026-06-02 12:00 |
15:59:39.47 |
+27:23:05.7 |
HIP 78470 |
24.30 |
| 2026-06-03 00:00 |
15:59:36.16 |
+27:23:05.2 |
HIP 78470 |
24.89 |
| 2026-06-03 12:00 |
15:59:32.85 |
+27:23:04.3 |
HIP 78241 |
25.13 |
| 2026-06-04 00:00 |
15:59:29.55 |
+27:23:03.1 |
HIP 78188 |
24.74 |
| 2026-06-04 12:00 |
15:59:26.26 |
+27:23:01.6 |
HIP 78188 |
24.13 |
| 2026-06-05 00:00 |
15:59:22.98 |
+27:22:59.8 |
HIP 78188 |
23.53 |
| 2026-06-05 12:00 |
15:59:19.70 |
+27:22:57.6 |
HIP 78188 |
22.94 |
| 2026-06-06 00:00 |
15:59:16.43 |
+27:22:55.1 |
HIP 78188 |
22.36 |
| 2026-06-06 12:00 |
15:59:13.17 |
+27:22:52.3 |
HIP 78188 |
21.80 |
| 2026-06-07 00:00 |
15:59:09.91 |
+27:22:49.2 |
HIP 78188 |
21.25 |
| 2026-06-07 12:00 |
15:59:06.67 |
+27:22:45.7 |
HIP 78188 |
20.72 |
| 2026-06-08 00:00 |
15:59:03.43 |
+27:22:41.9 |
HIP 78188 |
20.20 |
| 2026-06-08 12:00 |
15:59:00.20 |
+27:22:37.8 |
HIP 78188 |
19.70 |
| 2026-06-09 00:00 |
15:58:56.98 |
+27:22:33.4 |
HIP 78188 |
19.22 |
| 2026-06-09 12:00 |
15:58:53.77 |
+27:22:28.6 |
HIP 78188 |
18.76 |
| 2026-06-10 00:00 |
15:58:50.57 |
+27:22:23.6 |
HIP 78188 |
18.33 |
| 2026-06-10 12:00 |
15:58:47.38 |
+27:22:18.2 |
HIP 78188 |
17.91 |
| 2026-06-11 00:00 |
15:58:44.20 |
+27:22:12.4 |
HIP 78188 |
17.53 |
| 2026-06-11 12:00 |
15:58:41.03 |
+27:22:06.4 |
HIP 78188 |
17.16 |
| 2026-06-12 00:00 |
15:58:37.88 |
+27:22:00.0 |
HIP 78188 |
16.83 |
| 2026-06-12 12:00 |
15:58:34.73 |
+27:21:53.3 |
HIP 78188 |
16.53 |
| 2026-06-13 00:00 |
15:58:31.59 |
+27:21:46.3 |
HIP 78188 |
16.25 |
| 2026-06-13 12:00 |
15:58:28.47 |
+27:21:39.0 |
HIP 78188 |
16.01 |
| 2026-06-14 00:00 |
15:58:25.35 |
+27:21:31.3 |
HIP 78188 |
15.80 |
| 2026-06-14 12:00 |
15:58:22.25 |
+27:21:23.4 |
HIP 78188 |
15.63 |
| 2026-06-15 00:00 |
15:58:19.17 |
+27:21:15.1 |
HIP 78188 |
15.49 |
| 2026-06-15 12:00 |
15:58:16.09 |
+27:21:06.5 |
HIP 78188 |
15.39 |
| 2026-06-16 00:00 |
15:58:13.03 |
+27:20:57.5 |
HIP 78188 |
15.33 |
| 2026-06-16 12:00 |
15:58:09.98 |
+27:20:48.3 |
HIP 78188 |
15.30 |
| 2026-06-17 00:00 |
15:58:06.94 |
+27:20:38.8 |
HIP 78188 |
15.31 |
| 2026-06-17 12:00 |
15:58:03.92 |
+27:20:28.9 |
HIP 78188 |
15.36 |
| 2026-06-18 00:00 |
15:58:00.91 |
+27:20:18.7 |
HIP 78188 |
15.44 |
| 2026-06-18 12:00 |
15:57:57.92 |
+27:20:08.2 |
HIP 78188 |
15.56 |
| 2026-06-19 00:00 |
15:57:54.94 |
+27:19:57.4 |
HIP 78188 |
15.72 |
| 2026-06-19 12:00 |
15:57:51.98 |
+27:19:46.3 |
HIP 78188 |
15.90 |
| 2026-06-20 00:00 |
15:57:49.03 |
+27:19:34.9 |
HIP 78188 |
16.12 |
| 2026-06-20 12:00 |
15:57:46.10 |
+27:19:23.1 |
HIP 78188 |
16.37 |
| 2026-06-21 00:00 |
15:57:43.18 |
+27:19:11.1 |
HIP 78188 |
16.65 |
| 2026-06-21 12:00 |
15:57:40.28 |
+27:18:58.8 |
HIP 78188 |
16.95 |
| 2026-06-22 00:00 |
15:57:37.39 |
+27:18:46.1 |
HIP 78188 |
17.28 |