메타데이터
| 항목 |
값 |
| Designation |
C/2026 B3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2027-05-05T02:44:20.650560Z |
| Orbit solution date (soln_date, UTC) |
2026-06-09T11:12:40Z |
| Obs used |
452 |
| 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) |
2026-02-21.0000000 |
| e |
0.99491260 |
| q (au) |
5.815572 |
| a (au) |
1143.131901 |
| i (deg) |
100.833580 |
| Ω (om, deg) |
346.254917 |
| ω (w, deg) |
205.206918 |
| M (ma, deg) |
359.988828 |
밝기
산란 + 전체 선형
$$
M_a = (2.522 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
2.522 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.944 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2025-01-08 |
2026-06-11 |
+13.6396 |
-11.138 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
11:08:45.40 |
+02:32:56.2 |
HIP 54541 |
14.82 |
| 2026-09-20 12:00 |
11:08:55.33 |
+02:29:19.2 |
HIP 54541 |
11.42 |
| 2026-09-21 00:00 |
11:09:05.24 |
+02:25:42.2 |
HIP 54541 |
8.93 |
| 2026-09-21 12:00 |
11:09:15.13 |
+02:22:05.0 |
HIP 54541 |
8.23 |
| 2026-09-22 00:00 |
11:09:25.01 |
+02:18:27.7 |
HIP 54541 |
9.70 |
| 2026-09-22 12:00 |
11:09:34.85 |
+02:14:50.4 |
HIP 54541 |
12.61 |
| 2026-09-23 00:00 |
11:09:44.68 |
+02:11:12.9 |
HIP 54541 |
16.19 |
| 2026-09-23 12:00 |
11:09:54.49 |
+02:07:35.3 |
HIP 54541 |
20.09 |
| 2026-09-24 00:00 |
11:10:04.27 |
+02:03:57.6 |
HIP 54675 |
21.76 |
| 2026-09-24 12:00 |
11:10:14.02 |
+02:00:19.7 |
HIP 54675 |
19.62 |
| 2026-09-25 00:00 |
11:10:23.75 |
+01:56:41.8 |
HIP 54675 |
18.29 |
| 2026-09-25 12:00 |
11:10:33.45 |
+01:53:03.8 |
HIP 54675 |
17.96 |
| 2026-09-26 00:00 |
11:10:43.13 |
+01:49:25.7 |
HIP 54675 |
18.68 |
| 2026-09-26 12:00 |
11:10:52.77 |
+01:45:47.4 |
HIP 54675 |
20.34 |
| 2026-09-27 00:00 |
11:11:02.39 |
+01:42:09.1 |
HIP 54675 |
22.73 |
| 2026-09-27 12:00 |
11:11:11.98 |
+01:38:30.6 |
HIP 54675 |
25.65 |
| 2026-09-28 00:00 |
11:11:21.54 |
+01:34:52.1 |
HIP 54633 |
25.86 |
| 2026-09-28 12:00 |
11:11:31.07 |
+01:31:13.4 |
HIP 54633 |
23.15 |
| 2026-09-29 00:00 |
11:11:40.56 |
+01:27:34.7 |
HIP 54633 |
21.00 |
| 2026-09-29 12:00 |
11:11:50.03 |
+01:23:55.8 |
HIP 54633 |
19.58 |
| 2026-09-30 00:00 |
11:11:59.46 |
+01:20:16.9 |
HIP 54633 |
19.07 |
| 2026-09-30 12:00 |
11:12:08.85 |
+01:16:37.8 |
HIP 54633 |
19.52 |
| 2026-10-01 00:00 |
11:12:18.21 |
+01:12:58.7 |
HIP 54633 |
20.88 |
| 2026-10-01 12:00 |
11:12:27.54 |
+01:09:19.4 |
HIP 54633 |
22.97 |
| 2026-10-02 00:00 |
11:12:36.83 |
+01:05:40.1 |
HIP 54633 |
25.63 |
| 2026-10-02 12:00 |
11:12:46.08 |
+01:02:00.7 |
HIP 54889 |
25.11 |
| 2026-10-03 00:00 |
11:12:55.29 |
+00:58:21.1 |
HIP 54889 |
21.83 |
| 2026-10-03 12:00 |
11:13:04.46 |
+00:54:41.5 |
HIP 54889 |
18.98 |
| 2026-10-04 00:00 |
11:13:13.59 |
+00:51:01.8 |
HIP 54889 |
16.78 |
| 2026-10-04 12:00 |
11:13:22.68 |
+00:47:22.0 |
HIP 54889 |
15.51 |
| 2026-10-05 00:00 |
11:13:31.73 |
+00:43:42.1 |
HIP 54889 |
15.39 |
| 2026-10-05 12:00 |
11:13:40.74 |
+00:40:02.1 |
HIP 54889 |
16.45 |
| 2026-10-06 00:00 |
11:13:49.70 |
+00:36:22.0 |
HIP 54889 |
18.48 |
| 2026-10-06 12:00 |
11:13:58.61 |
+00:32:41.9 |
HIP 54889 |
21.20 |
| 2026-10-07 00:00 |
11:14:07.49 |
+00:29:01.6 |
HIP 54803 |
20.48 |
| 2026-10-07 12:00 |
11:14:16.31 |
+00:25:21.3 |
HIP 54803 |
19.83 |
| 2026-10-08 00:00 |
11:14:25.08 |
+00:21:40.9 |
HIP 54803 |
20.08 |
| 2026-10-08 12:00 |
11:14:33.81 |
+00:18:00.5 |
HIP 54803 |
21.19 |
| 2026-10-09 00:00 |
11:14:42.49 |
+00:14:19.9 |
HIP 54803 |
23.04 |
| 2026-10-09 12:00 |
11:14:51.11 |
+00:10:39.3 |
HIP 54849 |
22.10 |
| 2026-10-10 00:00 |
11:14:59.68 |
+00:06:58.7 |
HIP 55023 |
18.83 |
| 2026-10-10 12:00 |
11:15:08.20 |
+00:03:17.9 |
HIP 55023 |
14.80 |
| 2026-10-11 00:00 |
11:15:16.67 |
-00:00:22.9 |
HIP 55023 |
10.94 |