메타데이터
| 항목 |
값 |
| Designation |
C/2026 B3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2027-05-05T02:43:14.537280Z |
| Orbit solution date (soln_date, UTC) |
2026-05-28T12:12:19Z |
| Obs used |
448 |
| NEO |
- |
| M1 |
6.700 |
| K1 |
10.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2026-01-29T11:54:51.033600Z |
| Discovery magnitude (MPC) |
20.01 i |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2026-02-20.0000000 |
| e |
0.99491061 |
| q (au) |
5.815577 |
| a (au) |
1142.687077 |
| i (deg) |
100.833599 |
| Ω (om, deg) |
346.254912 |
| ω (w, deg) |
205.206795 |
| M (ma, deg) |
359.988796 |
밝기
산란 + 전체 선형
$$
M_a = (2.518 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
2.518 |
| n |
6.000 |
| gf |
0.993 |
| gb |
-0.945 |
| k |
1.000 |
| δ90 |
9.996 |
| 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 |
| 2025-01-08 |
2026-05-22 |
+14.6451 |
-11.972 |
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 |
10:49:23.63 |
+14:34:56.2 |
HIP 52897 |
8.15 |
| 2026-06-01 12:00 |
10:49:17.24 |
+14:32:15.9 |
HIP 52897 |
10.11 |
| 2026-06-02 00:00 |
10:49:11.01 |
+14:29:35.1 |
HIP 52897 |
12.54 |
| 2026-06-02 12:00 |
10:49:04.96 |
+14:26:53.8 |
HIP 52897 |
15.21 |
| 2026-06-03 00:00 |
10:48:59.06 |
+14:24:11.9 |
HIP 52824 |
17.68 |
| 2026-06-03 12:00 |
10:48:53.34 |
+14:21:29.6 |
HIP 52824 |
14.91 |
| 2026-06-04 00:00 |
10:48:47.78 |
+14:18:46.7 |
HIP 52824 |
12.30 |
| 2026-06-04 12:00 |
10:48:42.38 |
+14:16:03.3 |
HIP 52824 |
9.97 |
| 2026-06-05 00:00 |
10:48:37.15 |
+14:13:19.5 |
HIP 52824 |
8.15 |
| 2026-06-05 12:00 |
10:48:32.08 |
+14:10:35.1 |
HIP 52824 |
7.21 |
| 2026-06-06 00:00 |
10:48:27.17 |
+14:07:50.3 |
HIP 52824 |
7.50 |
| 2026-06-06 12:00 |
10:48:22.42 |
+14:05:05.0 |
HIP 52824 |
8.88 |
| 2026-06-07 00:00 |
10:48:17.83 |
+14:02:19.2 |
HIP 52824 |
10.94 |
| 2026-06-07 12:00 |
10:48:13.40 |
+13:59:32.9 |
HIP 52824 |
13.37 |
| 2026-06-08 00:00 |
10:48:09.13 |
+13:56:46.1 |
HIP 52824 |
15.99 |
| 2026-06-08 12:00 |
10:48:05.02 |
+13:53:58.9 |
HIP 52824 |
18.72 |
| 2026-06-09 00:00 |
10:48:01.06 |
+13:51:11.2 |
HIP 52824 |
21.52 |
| 2026-06-09 12:00 |
10:47:57.26 |
+13:48:23.1 |
HIP 52824 |
24.37 |
| 2026-06-10 00:00 |
10:47:53.62 |
+13:45:34.5 |
HIP 52775 |
23.89 |
| 2026-06-10 12:00 |
10:47:50.14 |
+13:42:45.4 |
HIP 52775 |
20.95 |
| 2026-06-11 00:00 |
10:47:46.81 |
+13:39:55.9 |
HIP 52775 |
18.01 |
| 2026-06-11 12:00 |
10:47:43.63 |
+13:37:06.0 |
HIP 52775 |
15.08 |
| 2026-06-12 00:00 |
10:47:40.60 |
+13:34:15.6 |
HIP 52775 |
12.15 |
| 2026-06-12 12:00 |
10:47:37.73 |
+13:31:24.7 |
HIP 52775 |
9.23 |
| 2026-06-13 00:00 |
10:47:35.01 |
+13:28:33.5 |
HIP 52775 |
6.34 |
| 2026-06-13 12:00 |
10:47:32.44 |
+13:25:41.7 |
HIP 52775 |
3.51 |
| 2026-06-14 00:00 |
10:47:30.02 |
+13:22:49.6 |
HIP 52775 |
1.31 |
| 2026-06-14 12:00 |
10:47:27.75 |
+13:19:57.1 |
HIP 52775 |
2.89 |
| 2026-06-15 00:00 |
10:47:25.63 |
+13:17:04.1 |
HIP 52775 |
5.68 |
| 2026-06-15 12:00 |
10:47:23.65 |
+13:14:10.7 |
HIP 52775 |
8.57 |
| 2026-06-16 00:00 |
10:47:21.82 |
+13:11:16.9 |
HIP 52746 |
10.16 |
| 2026-06-16 12:00 |
10:47:20.14 |
+13:08:22.7 |
HIP 52746 |
7.48 |
| 2026-06-17 00:00 |
10:47:18.60 |
+13:05:28.1 |
HIP 52746 |
5.12 |
| 2026-06-17 12:00 |
10:47:17.21 |
+13:02:33.1 |
HIP 52746 |
3.73 |
| 2026-06-18 00:00 |
10:47:15.95 |
+12:59:37.7 |
HIP 52746 |
4.38 |
| 2026-06-18 12:00 |
10:47:14.84 |
+12:56:41.9 |
HIP 52744 |
6.23 |
| 2026-06-19 00:00 |
10:47:13.87 |
+12:53:45.7 |
HIP 52744 |
8.70 |
| 2026-06-19 12:00 |
10:47:13.04 |
+12:50:49.1 |
HIP 52744 |
11.42 |
| 2026-06-20 00:00 |
10:47:12.35 |
+12:47:52.2 |
HIP 52683 |
13.27 |
| 2026-06-20 12:00 |
10:47:11.79 |
+12:44:54.9 |
HIP 52683 |
12.80 |
| 2026-06-21 00:00 |
10:47:11.38 |
+12:41:57.2 |
HIP 52683 |
13.03 |
| 2026-06-21 12:00 |
10:47:11.10 |
+12:38:59.1 |
HIP 52683 |
13.93 |
| 2026-06-22 00:00 |
10:47:10.95 |
+12:36:00.7 |
HIP 52683 |
15.40 |