메타데이터
| 항목 |
값 |
| Designation |
92P/Sanguin |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2002-09-23T00:27:20.165760Z |
| Orbit solution date (soln_date, UTC) |
2026-06-22T10:17:36Z |
| Obs used |
952 |
| NEO |
- |
| M1 |
11.600 |
| K1 |
15.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-12-09.0000000 |
| e |
0.66312972 |
| q (au) |
1.807849 |
| a (au) |
5.366603 |
| i (deg) |
18.764751 |
| Ω (om, deg) |
182.342677 |
| ω (w, deg) |
163.064416 |
| M (ma, deg) |
35.039547 |
밝기
산란 + 전체 선형
$$
M_a = (17.783 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.783 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.590 |
| k |
0.800 |
| 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 |
| 2014-04-30 |
2014-08-21 |
+1.5336 |
-0.375 |
| 2015-09-19 |
2016-01-13 |
+4.8411 |
-2.744 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
14:58:43.67 |
+01:37:23.3 |
HIP 73359 |
32.17 |
| 2026-07-29 12:00 |
14:58:50.07 |
+01:35:21.3 |
HIP 73359 |
29.71 |
| 2026-07-30 00:00 |
14:58:56.71 |
+01:33:18.2 |
HIP 73359 |
27.23 |
| 2026-07-30 12:00 |
14:59:03.61 |
+01:31:14.0 |
HIP 73359 |
24.75 |
| 2026-07-31 00:00 |
14:59:10.76 |
+01:29:08.7 |
HIP 73359 |
22.29 |
| 2026-07-31 12:00 |
14:59:18.15 |
+01:27:02.4 |
HIP 73359 |
19.88 |
| 2026-08-01 00:00 |
14:59:25.80 |
+01:24:55.0 |
HIP 73359 |
17.57 |
| 2026-08-01 12:00 |
14:59:33.69 |
+01:22:46.6 |
HIP 73359 |
15.42 |
| 2026-08-02 00:00 |
14:59:41.83 |
+01:20:37.2 |
HIP 73359 |
13.56 |
| 2026-08-02 12:00 |
14:59:50.22 |
+01:18:26.7 |
HIP 73359 |
12.15 |
| 2026-08-03 00:00 |
14:59:58.85 |
+01:16:15.3 |
HIP 73359 |
11.42 |
| 2026-08-03 12:00 |
15:00:07.74 |
+01:14:02.9 |
HIP 73359 |
11.53 |
| 2026-08-04 00:00 |
15:00:16.86 |
+01:11:49.5 |
HIP 73359 |
12.50 |
| 2026-08-04 12:00 |
15:00:26.24 |
+01:09:35.2 |
HIP 73359 |
14.20 |
| 2026-08-05 00:00 |
15:00:35.85 |
+01:07:19.9 |
HIP 73359 |
16.43 |
| 2026-08-05 12:00 |
15:00:45.72 |
+01:05:03.6 |
HIP 73359 |
19.04 |
| 2026-08-06 00:00 |
15:00:55.82 |
+01:02:46.5 |
HIP 73359 |
21.91 |
| 2026-08-06 12:00 |
15:01:06.17 |
+01:00:28.4 |
HIP 73528 |
19.96 |
| 2026-08-07 00:00 |
15:01:16.77 |
+00:58:09.4 |
HIP 73528 |
16.71 |
| 2026-08-07 12:00 |
15:01:27.60 |
+00:55:49.6 |
HIP 73528 |
13.57 |
| 2026-08-08 00:00 |
15:01:38.68 |
+00:53:28.8 |
HIP 73528 |
10.67 |
| 2026-08-08 12:00 |
15:01:50.00 |
+00:51:07.2 |
HIP 73528 |
8.37 |
| 2026-08-09 00:00 |
15:02:01.57 |
+00:48:44.7 |
HIP 73528 |
7.33 |
| 2026-08-09 12:00 |
15:02:13.37 |
+00:46:21.4 |
HIP 73528 |
8.13 |
| 2026-08-10 00:00 |
15:02:25.42 |
+00:43:57.3 |
HIP 73528 |
10.42 |
| 2026-08-10 12:00 |
15:02:37.70 |
+00:41:32.3 |
HIP 73528 |
13.50 |
| 2026-08-11 00:00 |
15:02:50.23 |
+00:39:06.6 |
HIP 73655 |
16.38 |
| 2026-08-11 12:00 |
15:03:02.99 |
+00:36:40.0 |
HIP 73655 |
17.41 |
| 2026-08-12 00:00 |
15:03:15.99 |
+00:34:12.7 |
HIP 73655 |
19.24 |
| 2026-08-12 12:00 |
15:03:29.23 |
+00:31:44.6 |
HIP 73757 |
17.92 |
| 2026-08-13 00:00 |
15:03:42.71 |
+00:29:15.8 |
HIP 73757 |
16.12 |
| 2026-08-13 12:00 |
15:03:56.42 |
+00:26:46.2 |
HIP 73757 |
15.26 |
| 2026-08-14 00:00 |
15:04:10.37 |
+00:24:15.9 |
HIP 73757 |
15.53 |
| 2026-08-14 12:00 |
15:04:24.56 |
+00:21:44.9 |
HIP 73823 |
15.49 |
| 2026-08-15 00:00 |
15:04:38.98 |
+00:19:13.2 |
HIP 73823 |
14.26 |
| 2026-08-15 12:00 |
15:04:53.63 |
+00:16:40.8 |
HIP 73823 |
14.31 |
| 2026-08-16 00:00 |
15:05:08.51 |
+00:14:07.8 |
HIP 73823 |
15.69 |
| 2026-08-16 12:00 |
15:05:23.63 |
+00:11:34.1 |
HIP 73823 |
18.13 |
| 2026-08-17 00:00 |
15:05:38.97 |
+00:08:59.7 |
HIP 73823 |
21.31 |
| 2026-08-17 12:00 |
15:05:54.55 |
+00:06:24.8 |
HIP 74004 |
23.03 |
| 2026-08-18 00:00 |
15:06:10.36 |
+00:03:49.2 |
HIP 74004 |
18.72 |
| 2026-08-18 12:00 |
15:06:26.39 |
+00:01:13.0 |
HIP 74004 |
14.61 |
| 2026-08-19 00:00 |
15:06:42.65 |
-00:01:23.8 |
HIP 74004 |
10.99 |