메타데이터
| 항목 |
값 |
| Designation |
C/2015 R3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2014-02-11T21:36:17.124480Z |
| Orbit solution date (soln_date, UTC) |
2022-07-06T03:12:21Z |
| Obs used |
41 |
| NEO |
- |
| M1 |
8.600 |
| K1 |
10.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2015-07-26.0000000 |
| e |
0.99867972 |
| q (au) |
4.902904 |
| a (au) |
3713.532087 |
| i (deg) |
83.610000 |
| Ω (om, deg) |
36.413320 |
| ω (w, deg) |
272.016706 |
| M (ma, deg) |
0.002304 |
밝기
산란 + 전체 선형
$$
M_a = (9.213 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.213 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.837 |
| k |
0.800 |
| δ90 |
9.997 |
| 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) |
| 2026-06-01 00:00 |
01:31:21.76 |
+52:02:36.3 |
HIP 6889 |
26.09 |
| 2026-06-01 12:00 |
01:31:26.10 |
+52:03:28.1 |
HIP 7138 |
25.22 |
| 2026-06-02 00:00 |
01:31:30.40 |
+52:04:20.1 |
HIP 7138 |
24.24 |
| 2026-06-02 12:00 |
01:31:34.66 |
+52:05:12.2 |
HIP 7138 |
23.28 |
| 2026-06-03 00:00 |
01:31:38.89 |
+52:06:04.5 |
HIP 7138 |
22.32 |
| 2026-06-03 12:00 |
01:31:43.08 |
+52:06:56.9 |
HIP 7138 |
21.37 |
| 2026-06-04 00:00 |
01:31:47.23 |
+52:07:49.4 |
HIP 7138 |
20.44 |
| 2026-06-04 12:00 |
01:31:51.34 |
+52:08:42.1 |
HIP 7138 |
19.52 |
| 2026-06-05 00:00 |
01:31:55.41 |
+52:09:34.9 |
HIP 7138 |
18.61 |
| 2026-06-05 12:00 |
01:31:59.44 |
+52:10:27.8 |
HIP 7138 |
17.73 |
| 2026-06-06 00:00 |
01:32:03.44 |
+52:11:20.8 |
HIP 7138 |
16.86 |
| 2026-06-06 12:00 |
01:32:07.39 |
+52:12:14.0 |
HIP 7138 |
16.01 |
| 2026-06-07 00:00 |
01:32:11.30 |
+52:13:07.3 |
HIP 7138 |
15.19 |
| 2026-06-07 12:00 |
01:32:15.17 |
+52:14:00.7 |
HIP 7138 |
14.40 |
| 2026-06-08 00:00 |
01:32:19.01 |
+52:14:54.3 |
HIP 7138 |
13.64 |
| 2026-06-08 12:00 |
01:32:22.80 |
+52:15:47.9 |
HIP 7138 |
12.93 |
| 2026-06-09 00:00 |
01:32:26.54 |
+52:16:41.7 |
HIP 7138 |
12.26 |
| 2026-06-09 12:00 |
01:32:30.25 |
+52:17:35.6 |
HIP 7138 |
11.64 |
| 2026-06-10 00:00 |
01:32:33.92 |
+52:18:29.5 |
HIP 7138 |
11.09 |
| 2026-06-10 12:00 |
01:32:37.54 |
+52:19:23.6 |
HIP 7138 |
10.61 |
| 2026-06-11 00:00 |
01:32:41.12 |
+52:20:17.8 |
HIP 7138 |
10.21 |
| 2026-06-11 12:00 |
01:32:44.65 |
+52:21:12.1 |
HIP 7138 |
9.90 |
| 2026-06-12 00:00 |
01:32:48.14 |
+52:22:06.5 |
HIP 7138 |
9.69 |
| 2026-06-12 12:00 |
01:32:51.59 |
+52:23:00.9 |
HIP 7138 |
9.58 |
| 2026-06-13 00:00 |
01:32:55.00 |
+52:23:55.5 |
HIP 7138 |
9.59 |
| 2026-06-13 12:00 |
01:32:58.36 |
+52:24:50.1 |
HIP 7138 |
9.69 |
| 2026-06-14 00:00 |
01:33:01.67 |
+52:25:44.9 |
HIP 7138 |
9.90 |
| 2026-06-14 12:00 |
01:33:04.94 |
+52:26:39.7 |
HIP 7138 |
10.21 |
| 2026-06-15 00:00 |
01:33:08.16 |
+52:27:34.6 |
HIP 7138 |
10.60 |
| 2026-06-15 12:00 |
01:33:11.34 |
+52:28:29.5 |
HIP 7138 |
11.07 |
| 2026-06-16 00:00 |
01:33:14.47 |
+52:29:24.5 |
HIP 7138 |
11.61 |
| 2026-06-16 12:00 |
01:33:17.56 |
+52:30:19.6 |
HIP 7138 |
12.20 |
| 2026-06-17 00:00 |
01:33:20.60 |
+52:31:14.8 |
HIP 7138 |
12.84 |
| 2026-06-17 12:00 |
01:33:23.59 |
+52:32:10.0 |
HIP 7138 |
13.52 |
| 2026-06-18 00:00 |
01:33:26.53 |
+52:33:05.3 |
HIP 7138 |
14.24 |
| 2026-06-18 12:00 |
01:33:29.43 |
+52:34:00.6 |
HIP 7138 |
14.98 |
| 2026-06-19 00:00 |
01:33:32.28 |
+52:34:56.0 |
HIP 7138 |
15.75 |
| 2026-06-19 12:00 |
01:33:35.08 |
+52:35:51.5 |
HIP 7138 |
16.54 |
| 2026-06-20 00:00 |
01:33:37.83 |
+52:36:46.9 |
HIP 7138 |
17.35 |
| 2026-06-20 12:00 |
01:33:40.53 |
+52:37:42.5 |
HIP 7138 |
18.18 |
| 2026-06-21 00:00 |
01:33:43.19 |
+52:38:38.0 |
HIP 7138 |
19.01 |
| 2026-06-21 12:00 |
01:33:45.80 |
+52:39:33.6 |
HIP 7138 |
19.86 |
| 2026-06-22 00:00 |
01:33:48.35 |
+52:40:29.3 |
HIP 7138 |
20.71 |