메타데이터
| 항목 |
값 |
| Designation |
C/2013 V5 (Oukaimeden) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2014-09-28T05:21:10.025280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:42Z |
| Obs used |
1519 |
| NEO |
- |
| M1 |
10.800 |
| K1 |
7.250 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-05-07.0000000 |
| e |
0.99872022 |
| q (au) |
0.625586 |
| a (au) |
488.821430 |
| i (deg) |
154.885490 |
| Ω (om, deg) |
278.616285 |
| ω (w, deg) |
314.568126 |
| M (ma, deg) |
359.986847 |
밝기
산란 + 전체 선형
$$
M_a = (11.416 + 3.189\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.416 |
| n |
3.189 |
| gf |
1.000 |
| gb |
-0.569 |
| k |
0.800 |
| 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 |
| 2013-11-12 |
2014-08-23 |
+2.6983 |
-1.565 |
| 2014-08-23 |
2014-09-28 |
-5.6126 |
-1.006 |
| 2014-09-28 |
2014-10-14 |
+11.8900 |
+2.906 |
| 2014-10-14 |
2015-02-17 |
+5.1684 |
+0.565 |
| 2015-02-17 |
2015-04-19 |
+0.6936 |
+3.285 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
11:14:49.68 |
+29:40:19.1 |
HIP 54826 |
19.67 |
| 2026-03-26 12:00 |
11:14:45.03 |
+29:40:33.8 |
HIP 54826 |
18.83 |
| 2026-03-27 00:00 |
11:14:40.39 |
+29:40:48.2 |
HIP 54826 |
18.01 |
| 2026-03-27 12:00 |
11:14:35.77 |
+29:41:02.3 |
HIP 54826 |
17.21 |
| 2026-03-28 00:00 |
11:14:31.16 |
+29:41:16.1 |
HIP 54826 |
16.44 |
| 2026-03-28 12:00 |
11:14:26.57 |
+29:41:29.6 |
HIP 54826 |
15.70 |
| 2026-03-29 00:00 |
11:14:21.99 |
+29:41:42.7 |
HIP 54826 |
14.99 |
| 2026-03-29 12:00 |
11:14:17.43 |
+29:41:55.6 |
HIP 54826 |
14.32 |
| 2026-03-30 00:00 |
11:14:12.89 |
+29:42:08.1 |
HIP 54826 |
13.69 |
| 2026-03-30 12:00 |
11:14:08.36 |
+29:42:20.4 |
HIP 54826 |
13.11 |
| 2026-03-31 00:00 |
11:14:03.84 |
+29:42:32.3 |
HIP 54826 |
12.58 |
| 2026-03-31 12:00 |
11:13:59.35 |
+29:42:43.9 |
HIP 54826 |
12.11 |
| 2026-04-01 00:00 |
11:13:54.87 |
+29:42:55.2 |
HIP 54826 |
11.70 |
| 2026-04-01 12:00 |
11:13:50.41 |
+29:43:06.2 |
HIP 54826 |
11.36 |
| 2026-04-02 00:00 |
11:13:45.97 |
+29:43:16.9 |
HIP 54826 |
11.09 |
| 2026-04-02 12:00 |
11:13:41.54 |
+29:43:27.3 |
HIP 54826 |
10.90 |
| 2026-04-03 00:00 |
11:13:37.14 |
+29:43:37.4 |
HIP 54826 |
10.80 |
| 2026-04-03 12:00 |
11:13:32.75 |
+29:43:47.1 |
HIP 54826 |
10.77 |
| 2026-04-04 00:00 |
11:13:28.39 |
+29:43:56.6 |
HIP 54826 |
10.83 |
| 2026-04-04 12:00 |
11:13:24.04 |
+29:44:05.7 |
HIP 54826 |
10.97 |
| 2026-04-05 00:00 |
11:13:19.71 |
+29:44:14.6 |
HIP 54826 |
11.18 |
| 2026-04-05 12:00 |
11:13:15.41 |
+29:44:23.1 |
HIP 54826 |
11.46 |
| 2026-04-06 00:00 |
11:13:11.12 |
+29:44:31.3 |
HIP 54826 |
11.81 |
| 2026-04-06 12:00 |
11:13:06.85 |
+29:44:39.1 |
HIP 54826 |
12.21 |
| 2026-04-07 00:00 |
11:13:02.61 |
+29:44:46.7 |
HIP 54826 |
12.66 |
| 2026-04-07 12:00 |
11:12:58.39 |
+29:44:54.0 |
HIP 54778 |
12.67 |
| 2026-04-08 00:00 |
11:12:54.19 |
+29:45:00.9 |
HIP 54778 |
12.72 |
| 2026-04-08 12:00 |
11:12:50.01 |
+29:45:07.5 |
HIP 54778 |
12.84 |
| 2026-04-09 00:00 |
11:12:45.85 |
+29:45:13.9 |
HIP 54778 |
13.01 |
| 2026-04-09 12:00 |
11:12:41.72 |
+29:45:19.9 |
HIP 54778 |
13.23 |
| 2026-04-10 00:00 |
11:12:37.61 |
+29:45:25.6 |
HIP 54778 |
13.51 |
| 2026-04-10 12:00 |
11:12:33.52 |
+29:45:30.9 |
HIP 54778 |
13.83 |
| 2026-04-11 00:00 |
11:12:29.46 |
+29:45:36.0 |
HIP 54778 |
14.19 |
| 2026-04-11 12:00 |
11:12:25.42 |
+29:45:40.7 |
HIP 54778 |
14.60 |
| 2026-04-12 00:00 |
11:12:21.40 |
+29:45:45.2 |
HIP 54778 |
15.03 |
| 2026-04-12 12:00 |
11:12:17.41 |
+29:45:49.3 |
HIP 54778 |
15.50 |
| 2026-04-13 00:00 |
11:12:13.45 |
+29:45:53.1 |
HIP 54778 |
15.99 |
| 2026-04-13 12:00 |
11:12:09.51 |
+29:45:56.6 |
HIP 54778 |
16.51 |
| 2026-04-14 00:00 |
11:12:05.59 |
+29:45:59.8 |
HIP 54778 |
17.04 |
| 2026-04-14 12:00 |
11:12:01.70 |
+29:46:02.6 |
HIP 54778 |
17.59 |
| 2026-04-15 00:00 |
11:11:57.84 |
+29:46:05.2 |
HIP 54778 |
18.16 |
| 2026-04-15 12:00 |
11:11:54.00 |
+29:46:07.4 |
HIP 54778 |
18.74 |
| 2026-04-16 00:00 |
11:11:50.19 |
+29:46:09.3 |
HIP 54778 |
19.33 |