메타데이터
| 항목 |
값 |
| Designation |
C/1980 R1 (Russell) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1981-03-06T03:48:13.415040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:29Z |
| Obs used |
17 |
| NEO |
- |
| M1 |
10.400 |
| K1 |
10.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1980-10-13.0000000 |
| e |
1.00182492 |
| q (au) |
2.112445 |
| a (au) |
-1157.557626 |
| i (deg) |
128.706527 |
| Ω (om, deg) |
232.786557 |
| ω (w, deg) |
297.189306 |
| M (ma, deg) |
-0.003608 |
밝기
산란 + 전체 선형
$$
M_a = (10.779 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.779 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
10:55:29.94 |
+63:06:22.2 |
HIP 53382 |
9.89 |
| 2026-09-20 12:00 |
10:55:33.14 |
+63:06:23.0 |
HIP 53382 |
10.02 |
| 2026-09-21 00:00 |
10:55:36.33 |
+63:06:24.0 |
HIP 53382 |
10.16 |
| 2026-09-21 12:00 |
10:55:39.52 |
+63:06:25.1 |
HIP 53382 |
10.32 |
| 2026-09-22 00:00 |
10:55:42.70 |
+63:06:26.4 |
HIP 53382 |
10.49 |
| 2026-09-22 12:00 |
10:55:45.87 |
+63:06:28.0 |
HIP 53382 |
10.68 |
| 2026-09-23 00:00 |
10:55:49.03 |
+63:06:29.6 |
HIP 53382 |
10.87 |
| 2026-09-23 12:00 |
10:55:52.19 |
+63:06:31.5 |
HIP 53382 |
11.07 |
| 2026-09-24 00:00 |
10:55:55.33 |
+63:06:33.6 |
HIP 53382 |
11.29 |
| 2026-09-24 12:00 |
10:55:58.47 |
+63:06:35.8 |
HIP 53382 |
11.51 |
| 2026-09-25 00:00 |
10:56:01.60 |
+63:06:38.2 |
HIP 53382 |
11.74 |
| 2026-09-25 12:00 |
10:56:04.72 |
+63:06:40.8 |
HIP 53382 |
11.98 |
| 2026-09-26 00:00 |
10:56:07.83 |
+63:06:43.6 |
HIP 53382 |
12.23 |
| 2026-09-26 12:00 |
10:56:10.93 |
+63:06:46.5 |
HIP 53382 |
12.48 |
| 2026-09-27 00:00 |
10:56:14.02 |
+63:06:49.6 |
HIP 53382 |
12.74 |
| 2026-09-27 12:00 |
10:56:17.10 |
+63:06:52.9 |
HIP 53382 |
13.01 |
| 2026-09-28 00:00 |
10:56:20.17 |
+63:06:56.4 |
HIP 53382 |
13.28 |
| 2026-09-28 12:00 |
10:56:23.23 |
+63:07:00.1 |
HIP 53382 |
13.56 |
| 2026-09-29 00:00 |
10:56:26.28 |
+63:07:03.9 |
HIP 53382 |
13.84 |
| 2026-09-29 12:00 |
10:56:29.32 |
+63:07:08.0 |
HIP 53382 |
14.13 |
| 2026-09-30 00:00 |
10:56:32.35 |
+63:07:12.2 |
HIP 53382 |
14.42 |
| 2026-09-30 12:00 |
10:56:35.36 |
+63:07:16.5 |
HIP 53382 |
14.71 |
| 2026-10-01 00:00 |
10:56:38.37 |
+63:07:21.1 |
HIP 53382 |
15.01 |
| 2026-10-01 12:00 |
10:56:41.36 |
+63:07:25.8 |
HIP 53382 |
15.31 |
| 2026-10-02 00:00 |
10:56:44.34 |
+63:07:30.8 |
HIP 53382 |
15.61 |
| 2026-10-02 12:00 |
10:56:47.31 |
+63:07:35.9 |
HIP 53382 |
15.92 |
| 2026-10-03 00:00 |
10:56:50.27 |
+63:07:41.1 |
HIP 53382 |
16.23 |
| 2026-10-03 12:00 |
10:56:53.22 |
+63:07:46.6 |
HIP 53382 |
16.54 |
| 2026-10-04 00:00 |
10:56:56.15 |
+63:07:52.2 |
HIP 53382 |
16.85 |
| 2026-10-04 12:00 |
10:56:59.07 |
+63:07:58.0 |
HIP 53382 |
17.17 |
| 2026-10-05 00:00 |
10:57:01.97 |
+63:08:04.0 |
HIP 53382 |
17.48 |
| 2026-10-05 12:00 |
10:57:04.87 |
+63:08:10.2 |
HIP 53382 |
17.80 |
| 2026-10-06 00:00 |
10:57:07.75 |
+63:08:16.5 |
HIP 53382 |
18.12 |
| 2026-10-06 12:00 |
10:57:10.61 |
+63:08:23.1 |
HIP 53382 |
18.44 |
| 2026-10-07 00:00 |
10:57:13.46 |
+63:08:29.8 |
HIP 53382 |
18.77 |
| 2026-10-07 12:00 |
10:57:16.30 |
+63:08:36.6 |
HIP 53382 |
19.09 |
| 2026-10-08 00:00 |
10:57:19.12 |
+63:08:43.7 |
HIP 53382 |
19.42 |
| 2026-10-08 12:00 |
10:57:21.93 |
+63:08:50.9 |
HIP 53382 |
19.74 |
| 2026-10-09 00:00 |
10:57:24.72 |
+63:08:58.4 |
HIP 53382 |
20.07 |
| 2026-10-09 12:00 |
10:57:27.50 |
+63:09:05.9 |
HIP 53382 |
20.40 |
| 2026-10-10 00:00 |
10:57:30.26 |
+63:09:13.7 |
HIP 53382 |
20.73 |
| 2026-10-10 12:00 |
10:57:33.01 |
+63:09:21.6 |
HIP 53382 |
21.05 |
| 2026-10-11 00:00 |
10:57:35.74 |
+63:09:29.8 |
HIP 53382 |
21.38 |