메타데이터
| 항목 |
값 |
| Designation |
122P/de Vico |
| Type |
P |
| Perihelion (tp_cal, UTC) |
1995-10-06T00:00:14.981760Z |
| Orbit solution date (soln_date, UTC) |
2001-07-02T16:09:03Z |
| Obs used |
294 |
| NEO |
Yes |
| M1 |
7.500 |
| K1 |
10.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1996-07-16.0000000 |
| e |
0.96270889 |
| q (au) |
0.659337 |
| a (au) |
17.680817 |
| i (deg) |
85.382753 |
| Ω (om, deg) |
79.624501 |
| ω (w, deg) |
12.996092 |
| M (ma, deg) |
3.765032 |
밝기
산란 + 전체 선형
$$
M_a = (8.029 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.029 |
| n |
6.000 |
| gf |
0.800 |
| gb |
-0.500 |
| k |
0.800 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 1995-09-18 |
1995-10-05 |
+0.7319 |
+0.214 |
| 1995-10-06 |
1995-11-26 |
-3.7764 |
-0.479 |
| 1995-11-26 |
1996-01-26 |
+4.5518 |
-1.150 |
| 1996-01-26 |
1996-06-25 |
+14.1222 |
-4.275 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
17:16:21.72 |
-34:11:27.4 |
HIP 84429 |
12.99 |
| 2026-06-01 12:00 |
17:16:17.52 |
-34:11:27.1 |
HIP 84429 |
12.43 |
| 2026-06-02 00:00 |
17:16:13.32 |
-34:11:26.7 |
HIP 84429 |
11.91 |
| 2026-06-02 12:00 |
17:16:09.11 |
-34:11:26.3 |
HIP 84429 |
11.43 |
| 2026-06-03 00:00 |
17:16:04.89 |
-34:11:25.7 |
HIP 84429 |
11.01 |
| 2026-06-03 12:00 |
17:16:00.67 |
-34:11:25.0 |
HIP 84429 |
10.63 |
| 2026-06-04 00:00 |
17:15:56.45 |
-34:11:24.2 |
HIP 84429 |
10.32 |
| 2026-06-04 12:00 |
17:15:52.22 |
-34:11:23.3 |
HIP 84429 |
10.08 |
| 2026-06-05 00:00 |
17:15:47.99 |
-34:11:22.4 |
HIP 84429 |
9.91 |
| 2026-06-05 12:00 |
17:15:43.75 |
-34:11:21.3 |
HIP 84429 |
9.81 |
| 2026-06-06 00:00 |
17:15:39.51 |
-34:11:20.1 |
HIP 84429 |
9.80 |
| 2026-06-06 12:00 |
17:15:35.27 |
-34:11:18.9 |
HIP 84429 |
9.87 |
| 2026-06-07 00:00 |
17:15:31.02 |
-34:11:17.5 |
HIP 84429 |
10.01 |
| 2026-06-07 12:00 |
17:15:26.77 |
-34:11:16.0 |
HIP 84429 |
10.23 |
| 2026-06-08 00:00 |
17:15:22.52 |
-34:11:14.5 |
HIP 84429 |
10.52 |
| 2026-06-08 12:00 |
17:15:18.26 |
-34:11:12.8 |
HIP 84429 |
10.87 |
| 2026-06-09 00:00 |
17:15:14.01 |
-34:11:11.0 |
HIP 84429 |
11.29 |
| 2026-06-09 12:00 |
17:15:09.75 |
-34:11:09.2 |
HIP 84429 |
11.76 |
| 2026-06-10 00:00 |
17:15:05.49 |
-34:11:07.2 |
HIP 84429 |
12.27 |
| 2026-06-10 12:00 |
17:15:01.23 |
-34:11:05.2 |
HIP 84429 |
12.82 |
| 2026-06-11 00:00 |
17:14:56.97 |
-34:11:03.0 |
HIP 84429 |
13.42 |
| 2026-06-11 12:00 |
17:14:52.71 |
-34:11:00.8 |
HIP 84429 |
14.04 |
| 2026-06-12 00:00 |
17:14:48.45 |
-34:10:58.4 |
HIP 84429 |
14.69 |
| 2026-06-12 12:00 |
17:14:44.19 |
-34:10:56.0 |
HIP 84429 |
15.36 |
| 2026-06-13 00:00 |
17:14:39.94 |
-34:10:53.5 |
HIP 84429 |
16.06 |
| 2026-06-13 12:00 |
17:14:35.68 |
-34:10:50.8 |
HIP 84429 |
16.77 |
| 2026-06-14 00:00 |
17:14:31.42 |
-34:10:48.1 |
HIP 84429 |
17.50 |
| 2026-06-14 12:00 |
17:14:27.17 |
-34:10:45.3 |
HIP 84429 |
18.25 |
| 2026-06-15 00:00 |
17:14:22.92 |
-34:10:42.4 |
HIP 84429 |
19.00 |
| 2026-06-15 12:00 |
17:14:18.67 |
-34:10:39.4 |
HIP 84429 |
19.77 |
| 2026-06-16 00:00 |
17:14:14.43 |
-34:10:36.3 |
HIP 84429 |
20.54 |
| 2026-06-16 12:00 |
17:14:10.19 |
-34:10:33.1 |
HIP 84429 |
21.33 |
| 2026-06-17 00:00 |
17:14:05.95 |
-34:10:29.8 |
HIP 84429 |
22.12 |
| 2026-06-17 12:00 |
17:14:01.72 |
-34:10:26.4 |
HIP 84240 |
22.38 |
| 2026-06-18 00:00 |
17:13:57.49 |
-34:10:23.0 |
HIP 84240 |
21.92 |
| 2026-06-18 12:00 |
17:13:53.27 |
-34:10:19.4 |
HIP 84240 |
21.49 |
| 2026-06-19 00:00 |
17:13:49.05 |
-34:10:15.8 |
HIP 84240 |
21.08 |
| 2026-06-19 12:00 |
17:13:44.84 |
-34:10:12.0 |
HIP 84240 |
20.70 |
| 2026-06-20 00:00 |
17:13:40.64 |
-34:10:08.2 |
HIP 84240 |
20.35 |
| 2026-06-20 12:00 |
17:13:36.44 |
-34:10:04.3 |
HIP 84162 |
19.77 |
| 2026-06-21 00:00 |
17:13:32.24 |
-34:10:00.3 |
HIP 84162 |
19.14 |
| 2026-06-21 12:00 |
17:13:28.06 |
-34:09:56.2 |
HIP 84162 |
18.53 |
| 2026-06-22 00:00 |
17:13:23.88 |
-34:09:52.0 |
HIP 84162 |
17.93 |