메타데이터
| 항목 |
값 |
| Designation |
C/2006 VZ13 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-08-10T21:23:55.631040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:01Z |
| Obs used |
1025 |
| NEO |
- |
| M1 |
13.900 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2007-06-13.0000000 |
| e |
1.00024586 |
| q (au) |
1.015252 |
| a (au) |
-4129.358475 |
| i (deg) |
134.793320 |
| Ω (om, deg) |
66.026904 |
| ω (w, deg) |
174.115312 |
| M (ma, deg) |
-0.000219 |
밝기
산란 + 전체 선형
$$
M_a = (7.897 + 4.279\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.897 |
| n |
4.279 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.997 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2007-04-21 |
2007-06-18 |
-9.3464 |
+2.007 |
| 2007-06-18 |
2007-08-09 |
+1.4862 |
+0.135 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
05:40:16.54 |
+06:34:23.6 |
HIP 26631 |
21.09 |
| 2026-07-29 12:00 |
05:40:18.68 |
+06:34:17.5 |
HIP 26631 |
21.44 |
| 2026-07-30 00:00 |
05:40:20.81 |
+06:34:11.2 |
HIP 26631 |
21.80 |
| 2026-07-30 12:00 |
05:40:22.92 |
+06:34:04.8 |
HIP 26631 |
22.16 |
| 2026-07-31 00:00 |
05:40:25.01 |
+06:33:58.3 |
HIP 26719 |
22.42 |
| 2026-07-31 12:00 |
05:40:27.09 |
+06:33:51.8 |
HIP 26719 |
22.44 |
| 2026-08-01 00:00 |
05:40:29.15 |
+06:33:45.1 |
HIP 26719 |
22.47 |
| 2026-08-01 12:00 |
05:40:31.19 |
+06:33:38.4 |
HIP 26719 |
22.51 |
| 2026-08-02 00:00 |
05:40:33.22 |
+06:33:31.6 |
HIP 26719 |
22.57 |
| 2026-08-02 12:00 |
05:40:35.23 |
+06:33:24.6 |
HIP 26719 |
22.64 |
| 2026-08-03 00:00 |
05:40:37.23 |
+06:33:17.6 |
HIP 26719 |
22.73 |
| 2026-08-03 12:00 |
05:40:39.20 |
+06:33:10.6 |
HIP 26719 |
22.82 |
| 2026-08-04 00:00 |
05:40:41.16 |
+06:33:03.4 |
HIP 26719 |
22.93 |
| 2026-08-04 12:00 |
05:40:43.10 |
+06:32:56.1 |
HIP 26719 |
23.05 |
| 2026-08-05 00:00 |
05:40:45.03 |
+06:32:48.8 |
HIP 26719 |
23.19 |
| 2026-08-05 12:00 |
05:40:46.94 |
+06:32:41.4 |
HIP 26719 |
23.33 |
| 2026-08-06 00:00 |
05:40:48.82 |
+06:32:33.8 |
HIP 26719 |
23.48 |
| 2026-08-06 12:00 |
05:40:50.70 |
+06:32:26.2 |
HIP 26719 |
23.65 |
| 2026-08-07 00:00 |
05:40:52.55 |
+06:32:18.6 |
HIP 26719 |
23.82 |
| 2026-08-07 12:00 |
05:40:54.38 |
+06:32:10.8 |
HIP 26719 |
24.00 |
| 2026-08-08 00:00 |
05:40:56.20 |
+06:32:02.9 |
HIP 26719 |
24.19 |
| 2026-08-08 12:00 |
05:40:58.00 |
+06:31:55.0 |
HIP 26719 |
24.39 |
| 2026-08-09 00:00 |
05:40:59.77 |
+06:31:47.0 |
HIP 26719 |
24.60 |
| 2026-08-09 12:00 |
05:41:01.53 |
+06:31:38.9 |
HIP 26719 |
24.81 |
| 2026-08-10 00:00 |
05:41:03.27 |
+06:31:30.7 |
HIP 26719 |
25.03 |
| 2026-08-10 12:00 |
05:41:04.99 |
+06:31:22.5 |
HIP 26719 |
25.26 |
| 2026-08-11 00:00 |
05:41:06.70 |
+06:31:14.1 |
HIP 26719 |
25.49 |
| 2026-08-11 12:00 |
05:41:08.38 |
+06:31:05.7 |
HIP 26719 |
25.73 |
| 2026-08-12 00:00 |
05:41:10.04 |
+06:30:57.2 |
HIP 26719 |
25.98 |
| 2026-08-12 12:00 |
05:41:11.68 |
+06:30:48.7 |
HIP 26719 |
26.23 |
| 2026-08-13 00:00 |
05:41:13.30 |
+06:30:40.0 |
HIP 26719 |
26.48 |
| 2026-08-13 12:00 |
05:41:14.91 |
+06:30:31.3 |
HIP 26719 |
26.74 |
| 2026-08-14 00:00 |
05:41:16.49 |
+06:30:22.5 |
HIP 26719 |
27.00 |
| 2026-08-14 12:00 |
05:41:18.05 |
+06:30:13.6 |
HIP 26719 |
27.26 |
| 2026-08-15 00:00 |
05:41:19.59 |
+06:30:04.7 |
HIP 26719 |
27.53 |
| 2026-08-15 12:00 |
05:41:21.11 |
+06:29:55.7 |
HIP 26719 |
27.80 |
| 2026-08-16 00:00 |
05:41:22.61 |
+06:29:46.6 |
HIP 26719 |
28.08 |
| 2026-08-16 12:00 |
05:41:24.09 |
+06:29:37.4 |
HIP 26719 |
28.35 |
| 2026-08-17 00:00 |
05:41:25.54 |
+06:29:28.2 |
HIP 26719 |
28.63 |
| 2026-08-17 12:00 |
05:41:26.98 |
+06:29:18.9 |
HIP 26719 |
28.91 |
| 2026-08-18 00:00 |
05:41:28.40 |
+06:29:09.5 |
HIP 26719 |
29.19 |
| 2026-08-18 12:00 |
05:41:29.79 |
+06:29:00.1 |
HIP 26719 |
29.47 |
| 2026-08-19 00:00 |
05:41:31.16 |
+06:28:50.6 |
HIP 26719 |
29.75 |