메타데이터
| 항목 |
값 |
| Designation |
C/1954 M2 (Kresak-Peltier) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1954-08-29T16:00:13.749120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:12Z |
| Obs used |
10 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1954-08-03.0000000 |
| e |
1.00022617 |
| q (au) |
0.746369 |
| a (au) |
-3300.044138 |
| i (deg) |
88.539550 |
| Ω (om, deg) |
75.566452 |
| ω (w, deg) |
254.728144 |
| M (ma, deg) |
-0.000139 |
밝기
산란 + 전체 선형
$$
M_a = (7.972 + 3.248\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.972 |
| n |
3.248 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-05-12 00:00 |
01:25:36.14 |
+84:24:15.9 |
HIP 7592 |
18.26 |
| 2026-05-12 12:00 |
01:25:46.26 |
+84:24:25.6 |
HIP 7592 |
17.98 |
| 2026-05-13 00:00 |
01:25:56.34 |
+84:24:35.4 |
HIP 7592 |
17.70 |
| 2026-05-13 12:00 |
01:26:06.39 |
+84:24:45.4 |
HIP 7592 |
17.42 |
| 2026-05-14 00:00 |
01:26:16.39 |
+84:24:55.4 |
HIP 7592 |
17.14 |
| 2026-05-14 12:00 |
01:26:26.36 |
+84:25:05.6 |
HIP 7592 |
16.86 |
| 2026-05-15 00:00 |
01:26:36.29 |
+84:25:15.9 |
HIP 7592 |
16.59 |
| 2026-05-15 12:00 |
01:26:46.18 |
+84:25:26.3 |
HIP 7592 |
16.31 |
| 2026-05-16 00:00 |
01:26:56.03 |
+84:25:36.8 |
HIP 7592 |
16.04 |
| 2026-05-16 12:00 |
01:27:05.83 |
+84:25:47.4 |
HIP 7592 |
15.77 |
| 2026-05-17 00:00 |
01:27:15.60 |
+84:25:58.1 |
HIP 7592 |
15.50 |
| 2026-05-17 12:00 |
01:27:25.32 |
+84:26:09.0 |
HIP 7592 |
15.23 |
| 2026-05-18 00:00 |
01:27:35.00 |
+84:26:19.9 |
HIP 7592 |
14.96 |
| 2026-05-18 12:00 |
01:27:44.63 |
+84:26:30.9 |
HIP 7592 |
14.70 |
| 2026-05-19 00:00 |
01:27:54.22 |
+84:26:42.1 |
HIP 7592 |
14.44 |
| 2026-05-19 12:00 |
01:28:03.76 |
+84:26:53.4 |
HIP 7592 |
14.18 |
| 2026-05-20 00:00 |
01:28:13.26 |
+84:27:04.7 |
HIP 7592 |
13.92 |
| 2026-05-20 12:00 |
01:28:22.71 |
+84:27:16.2 |
HIP 7592 |
13.67 |
| 2026-05-21 00:00 |
01:28:32.11 |
+84:27:27.8 |
HIP 7592 |
13.42 |
| 2026-05-21 12:00 |
01:28:41.47 |
+84:27:39.4 |
HIP 7592 |
13.17 |
| 2026-05-22 00:00 |
01:28:50.77 |
+84:27:51.2 |
HIP 7592 |
12.93 |
| 2026-05-22 12:00 |
01:29:00.03 |
+84:28:03.1 |
HIP 7592 |
12.69 |
| 2026-05-23 00:00 |
01:29:09.24 |
+84:28:15.1 |
HIP 7592 |
12.45 |
| 2026-05-23 12:00 |
01:29:18.40 |
+84:28:27.1 |
HIP 7592 |
12.22 |
| 2026-05-24 00:00 |
01:29:27.51 |
+84:28:39.3 |
HIP 7592 |
11.99 |
| 2026-05-24 12:00 |
01:29:36.56 |
+84:28:51.6 |
HIP 7592 |
11.77 |
| 2026-05-25 00:00 |
01:29:45.57 |
+84:29:04.0 |
HIP 7592 |
11.55 |
| 2026-05-25 12:00 |
01:29:54.52 |
+84:29:16.4 |
HIP 7592 |
11.34 |
| 2026-05-26 00:00 |
01:30:03.42 |
+84:29:29.0 |
HIP 7592 |
11.13 |
| 2026-05-26 12:00 |
01:30:12.27 |
+84:29:41.6 |
HIP 7592 |
10.93 |
| 2026-05-27 00:00 |
01:30:21.06 |
+84:29:54.4 |
HIP 7592 |
10.73 |
| 2026-05-27 12:00 |
01:30:29.80 |
+84:30:07.2 |
HIP 7592 |
10.54 |
| 2026-05-28 00:00 |
01:30:38.48 |
+84:30:20.2 |
HIP 7592 |
10.36 |
| 2026-05-28 12:00 |
01:30:47.11 |
+84:30:33.2 |
HIP 7592 |
10.19 |
| 2026-05-29 00:00 |
01:30:55.68 |
+84:30:46.3 |
HIP 7592 |
10.02 |
| 2026-05-29 12:00 |
01:31:04.20 |
+84:30:59.5 |
HIP 7592 |
9.86 |
| 2026-05-30 00:00 |
01:31:12.65 |
+84:31:12.8 |
HIP 7592 |
9.71 |
| 2026-05-30 12:00 |
01:31:21.05 |
+84:31:26.2 |
HIP 7592 |
9.57 |
| 2026-05-31 00:00 |
01:31:29.40 |
+84:31:39.7 |
HIP 7592 |
9.44 |
| 2026-05-31 12:00 |
01:31:37.68 |
+84:31:53.2 |
HIP 7592 |
9.32 |
| 2026-06-01 00:00 |
01:31:45.91 |
+84:32:06.9 |
HIP 7592 |
9.21 |
| 2026-06-01 12:00 |
01:31:54.07 |
+84:32:20.6 |
HIP 7592 |
9.11 |
| 2026-06-02 00:00 |
01:32:02.18 |
+84:32:34.4 |
HIP 7592 |
9.02 |