메타데이터
| 항목 |
값 |
| Designation |
C/2014 S1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2013-10-30T07:51:49.150080Z |
| Orbit solution date (soln_date, UTC) |
2022-06-20T23:12:31Z |
| Obs used |
45 |
| NEO |
- |
| M1 |
6.900 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-10-25.0000000 |
| e |
1.00078324 |
| q (au) |
8.137341 |
| a (au) |
-10389.297965 |
| i (deg) |
123.804132 |
| Ω (om, deg) |
352.660639 |
| ω (w, deg) |
288.827322 |
| M (ma, deg) |
0.000335 |
밝기
산란 + 전체 선형
$$
M_a = (10.556 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.556 |
| n |
2.000 |
| gf |
0.988 |
| gb |
-0.519 |
| 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 |
| 2014-01-14 |
2015-12-09 |
-160.7525 |
+148.263 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
21:28:45.15 |
+18:09:55.5 |
HIP 106064 |
15.96 |
| 2026-05-12 12:00 |
21:28:44.34 |
+18:10:39.3 |
HIP 106064 |
16.72 |
| 2026-05-13 00:00 |
21:28:43.49 |
+18:11:23.0 |
HIP 106064 |
17.47 |
| 2026-05-13 12:00 |
21:28:42.60 |
+18:12:06.5 |
HIP 106064 |
18.22 |
| 2026-05-14 00:00 |
21:28:41.67 |
+18:12:49.9 |
HIP 106064 |
18.98 |
| 2026-05-14 12:00 |
21:28:40.70 |
+18:13:33.1 |
HIP 106064 |
19.73 |
| 2026-05-15 00:00 |
21:28:39.69 |
+18:14:16.1 |
HIP 106064 |
20.49 |
| 2026-05-15 12:00 |
21:28:38.63 |
+18:14:59.0 |
HIP 106064 |
21.24 |
| 2026-05-16 00:00 |
21:28:37.54 |
+18:15:41.7 |
HIP 106064 |
21.99 |
| 2026-05-16 12:00 |
21:28:36.40 |
+18:16:24.2 |
HIP 106064 |
22.75 |
| 2026-05-17 00:00 |
21:28:35.22 |
+18:17:06.6 |
HIP 106064 |
23.50 |
| 2026-05-17 12:00 |
21:28:34.01 |
+18:17:48.8 |
HIP 106064 |
24.25 |
| 2026-05-18 00:00 |
21:28:32.75 |
+18:18:30.8 |
HIP 106064 |
25.01 |
| 2026-05-18 12:00 |
21:28:31.45 |
+18:19:12.6 |
HIP 106064 |
25.76 |
| 2026-05-19 00:00 |
21:28:30.11 |
+18:19:54.3 |
HIP 106064 |
26.51 |
| 2026-05-19 12:00 |
21:28:28.73 |
+18:20:35.7 |
HIP 106152 |
27.22 |
| 2026-05-20 00:00 |
21:28:27.31 |
+18:21:17.0 |
HIP 106152 |
27.16 |
| 2026-05-20 12:00 |
21:28:25.85 |
+18:21:58.1 |
HIP 106152 |
27.13 |
| 2026-05-21 00:00 |
21:28:24.35 |
+18:22:38.9 |
HIP 106152 |
27.14 |
| 2026-05-21 12:00 |
21:28:22.81 |
+18:23:19.6 |
HIP 106152 |
27.17 |
| 2026-05-22 00:00 |
21:28:21.22 |
+18:24:00.1 |
HIP 106152 |
27.24 |
| 2026-05-22 12:00 |
21:28:19.60 |
+18:24:40.4 |
HIP 106152 |
27.34 |
| 2026-05-23 00:00 |
21:28:17.94 |
+18:25:20.4 |
HIP 106152 |
27.47 |
| 2026-05-23 12:00 |
21:28:16.23 |
+18:26:00.3 |
HIP 106152 |
27.63 |
| 2026-05-24 00:00 |
21:28:14.49 |
+18:26:40.0 |
HIP 106152 |
27.83 |
| 2026-05-24 12:00 |
21:28:12.71 |
+18:27:19.4 |
HIP 106152 |
28.05 |
| 2026-05-25 00:00 |
21:28:10.88 |
+18:27:58.6 |
HIP 106152 |
28.31 |
| 2026-05-25 12:00 |
21:28:09.02 |
+18:28:37.6 |
HIP 106152 |
28.59 |
| 2026-05-26 00:00 |
21:28:07.12 |
+18:29:16.4 |
HIP 106152 |
28.90 |
| 2026-05-26 12:00 |
21:28:05.18 |
+18:29:55.0 |
HIP 106152 |
29.24 |
| 2026-05-27 00:00 |
21:28:03.19 |
+18:30:33.3 |
HIP 106152 |
29.61 |
| 2026-05-27 12:00 |
21:28:01.17 |
+18:31:11.4 |
HIP 106152 |
30.00 |
| 2026-05-28 00:00 |
21:27:59.11 |
+18:31:49.3 |
HIP 106152 |
30.42 |
| 2026-05-28 12:00 |
21:27:57.01 |
+18:32:27.0 |
HIP 106152 |
30.86 |
| 2026-05-29 00:00 |
21:27:54.87 |
+18:33:04.4 |
HIP 106152 |
31.32 |
| 2026-05-29 12:00 |
21:27:52.69 |
+18:33:41.6 |
HIP 106152 |
31.81 |
| 2026-05-30 00:00 |
21:27:50.47 |
+18:34:18.5 |
HIP 106152 |
32.32 |
| 2026-05-30 12:00 |
21:27:48.21 |
+18:34:55.2 |
HIP 106152 |
32.86 |
| 2026-05-31 00:00 |
21:27:45.92 |
+18:35:31.7 |
HIP 106152 |
33.41 |
| 2026-05-31 12:00 |
21:27:43.58 |
+18:36:07.9 |
HIP 106152 |
33.98 |
| 2026-06-01 00:00 |
21:27:41.21 |
+18:36:43.9 |
HIP 106152 |
34.57 |
| 2026-06-01 12:00 |
21:27:38.79 |
+18:37:19.6 |
HIP 106152 |
35.18 |
| 2026-06-02 00:00 |
21:27:36.34 |
+18:37:55.1 |
HIP 106152 |
35.81 |