메타데이터
| 항목 |
값 |
| Designation |
C/1996 P2 (Russell-Watson) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1996-03-01T07:54:27.348480Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:50Z |
| Obs used |
157 |
| NEO |
- |
| M1 |
5.000 |
| K1 |
12.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1996-11-19.0000000 |
| e |
1.00008354 |
| q (au) |
2.005854 |
| a (au) |
-24011.991404 |
| i (deg) |
29.083130 |
| Ω (om, deg) |
101.403478 |
| ω (w, deg) |
188.799531 |
| M (ma, deg) |
0.000070 |
밝기
산란 + 전체 선형
$$
M_a = (6.223 + 4.641\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.223 |
| n |
4.641 |
| gf |
0.977 |
| gb |
-1.000 |
| k |
0.999 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
05:54:42.74 |
+16:57:05.3 |
HIP 27972 |
27.29 |
| 2026-05-12 12:00 |
05:54:44.63 |
+16:57:08.4 |
HIP 27972 |
27.18 |
| 2026-05-13 00:00 |
05:54:46.53 |
+16:57:11.6 |
HIP 27972 |
27.08 |
| 2026-05-13 12:00 |
05:54:48.44 |
+16:57:14.7 |
HIP 27972 |
26.98 |
| 2026-05-14 00:00 |
05:54:50.37 |
+16:57:17.8 |
HIP 27972 |
26.89 |
| 2026-05-14 12:00 |
05:54:52.30 |
+16:57:20.8 |
HIP 27972 |
26.81 |
| 2026-05-15 00:00 |
05:54:54.25 |
+16:57:23.9 |
HIP 27972 |
26.74 |
| 2026-05-15 12:00 |
05:54:56.20 |
+16:57:26.9 |
HIP 27972 |
26.68 |
| 2026-05-16 00:00 |
05:54:58.17 |
+16:57:29.8 |
HIP 27972 |
26.62 |
| 2026-05-16 12:00 |
05:55:00.15 |
+16:57:32.8 |
HIP 27972 |
26.57 |
| 2026-05-17 00:00 |
05:55:02.14 |
+16:57:35.7 |
HIP 27972 |
26.54 |
| 2026-05-17 12:00 |
05:55:04.14 |
+16:57:38.6 |
HIP 27972 |
26.51 |
| 2026-05-18 00:00 |
05:55:06.15 |
+16:57:41.5 |
HIP 27972 |
26.49 |
| 2026-05-18 12:00 |
05:55:08.17 |
+16:57:44.3 |
HIP 27972 |
26.48 |
| 2026-05-19 00:00 |
05:55:10.20 |
+16:57:47.1 |
HIP 27972 |
26.48 |
| 2026-05-19 12:00 |
05:55:12.24 |
+16:57:49.9 |
HIP 27972 |
26.49 |
| 2026-05-20 00:00 |
05:55:14.29 |
+16:57:52.7 |
HIP 27972 |
26.51 |
| 2026-05-20 12:00 |
05:55:16.34 |
+16:57:55.4 |
HIP 27972 |
26.54 |
| 2026-05-21 00:00 |
05:55:18.41 |
+16:57:58.1 |
HIP 28167 |
26.24 |
| 2026-05-21 12:00 |
05:55:20.49 |
+16:58:00.8 |
HIP 28167 |
25.74 |
| 2026-05-22 00:00 |
05:55:22.57 |
+16:58:03.4 |
HIP 28167 |
25.24 |
| 2026-05-22 12:00 |
05:55:24.67 |
+16:58:06.0 |
HIP 28167 |
24.74 |
| 2026-05-23 00:00 |
05:55:26.77 |
+16:58:08.6 |
HIP 28167 |
24.23 |
| 2026-05-23 12:00 |
05:55:28.88 |
+16:58:11.2 |
HIP 28167 |
23.73 |
| 2026-05-24 00:00 |
05:55:31.00 |
+16:58:13.7 |
HIP 28167 |
23.22 |
| 2026-05-24 12:00 |
05:55:33.13 |
+16:58:16.2 |
HIP 28167 |
22.71 |
| 2026-05-25 00:00 |
05:55:35.26 |
+16:58:18.6 |
HIP 28167 |
22.20 |
| 2026-05-25 12:00 |
05:55:37.40 |
+16:58:21.1 |
HIP 28167 |
21.68 |
| 2026-05-26 00:00 |
05:55:39.55 |
+16:58:23.5 |
HIP 28167 |
21.17 |
| 2026-05-26 12:00 |
05:55:41.71 |
+16:58:25.9 |
HIP 28167 |
20.65 |
| 2026-05-27 00:00 |
05:55:43.88 |
+16:58:28.2 |
HIP 28167 |
20.13 |
| 2026-05-27 12:00 |
05:55:46.05 |
+16:58:30.5 |
HIP 28167 |
19.61 |
| 2026-05-28 00:00 |
05:55:48.23 |
+16:58:32.8 |
HIP 28167 |
19.09 |
| 2026-05-28 12:00 |
05:55:50.42 |
+16:58:35.1 |
HIP 28167 |
18.56 |
| 2026-05-29 00:00 |
05:55:52.61 |
+16:58:37.3 |
HIP 28167 |
18.04 |
| 2026-05-29 12:00 |
05:55:54.82 |
+16:58:39.5 |
HIP 28167 |
17.51 |
| 2026-05-30 00:00 |
05:55:57.02 |
+16:58:41.7 |
HIP 28167 |
16.98 |
| 2026-05-30 12:00 |
05:55:59.24 |
+16:58:43.8 |
HIP 28167 |
16.45 |
| 2026-05-31 00:00 |
05:56:01.46 |
+16:58:45.9 |
HIP 28167 |
15.92 |
| 2026-05-31 12:00 |
05:56:03.68 |
+16:58:48.0 |
HIP 28167 |
15.39 |
| 2026-06-01 00:00 |
05:56:05.92 |
+16:58:50.1 |
HIP 28167 |
14.86 |
| 2026-06-01 12:00 |
05:56:08.16 |
+16:58:52.1 |
HIP 28167 |
14.32 |
| 2026-06-02 00:00 |
05:56:10.40 |
+16:58:54.1 |
HIP 28167 |
13.78 |