메타데이터
| 항목 |
값 |
| Designation |
101P/Chernykh |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2020-01-07T18:38:07.975680Z |
| Orbit solution date (soln_date, UTC) |
2024-08-26T10:57:16Z |
| Obs used |
1211 |
| NEO |
- |
| M1 |
13.700 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-10-13.0000000 |
| e |
0.59774254 |
| q (au) |
2.325778 |
| a (au) |
5.781815 |
| i (deg) |
5.033943 |
| Ω (om, deg) |
116.589097 |
| ω (w, deg) |
277.434541 |
| M (ma, deg) |
224.396168 |
밝기
산란 + 전체 선형
$$
M_a = (12.453 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.453 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.997 |
| 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 |
| 2019-07-04 |
2020-01-07 |
+34.8196 |
-13.263 |
| 2020-01-08 |
2021-01-03 |
+3.7173 |
-2.221 |
| 2021-01-03 |
2022-03-01 |
+4.6114 |
-3.220 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
13:51:22.38 |
-06:31:23.7 |
HIP 67765 |
22.89 |
| 2026-09-20 12:00 |
13:51:33.99 |
-06:32:36.6 |
HIP 67765 |
20.19 |
| 2026-09-21 00:00 |
13:51:45.64 |
-06:33:49.6 |
HIP 67765 |
17.61 |
| 2026-09-21 12:00 |
13:51:57.33 |
-06:35:02.7 |
HIP 67765 |
15.23 |
| 2026-09-22 00:00 |
13:52:09.07 |
-06:36:15.9 |
HIP 67765 |
13.18 |
| 2026-09-22 12:00 |
13:52:20.84 |
-06:37:29.2 |
HIP 67765 |
11.63 |
| 2026-09-23 00:00 |
13:52:32.65 |
-06:38:42.5 |
HIP 67765 |
10.81 |
| 2026-09-23 12:00 |
13:52:44.50 |
-06:39:55.9 |
HIP 67765 |
10.88 |
| 2026-09-24 00:00 |
13:52:56.39 |
-06:41:09.4 |
HIP 67765 |
11.85 |
| 2026-09-24 12:00 |
13:53:08.31 |
-06:42:23.0 |
HIP 67765 |
13.53 |
| 2026-09-25 00:00 |
13:53:20.28 |
-06:43:36.6 |
HIP 67765 |
15.70 |
| 2026-09-25 12:00 |
13:53:32.28 |
-06:44:50.3 |
HIP 67765 |
18.18 |
| 2026-09-26 00:00 |
13:53:44.32 |
-06:46:04.1 |
HIP 67765 |
20.87 |
| 2026-09-26 12:00 |
13:53:56.39 |
-06:47:17.9 |
HIP 67765 |
23.71 |
| 2026-09-27 00:00 |
13:54:08.50 |
-06:48:31.8 |
HIP 67765 |
26.64 |
| 2026-09-27 12:00 |
13:54:20.64 |
-06:49:45.7 |
HIP 67765 |
29.65 |
| 2026-09-28 00:00 |
13:54:32.82 |
-06:50:59.7 |
HIP 68063 |
32.11 |
| 2026-09-28 12:00 |
13:54:45.03 |
-06:52:13.8 |
HIP 68063 |
30.80 |
| 2026-09-29 00:00 |
13:54:57.28 |
-06:53:27.8 |
HIP 68063 |
29.79 |
| 2026-09-29 12:00 |
13:55:09.56 |
-06:54:41.9 |
HIP 68063 |
29.11 |
| 2026-09-30 00:00 |
13:55:21.87 |
-06:55:56.1 |
HIP 68063 |
28.79 |
| 2026-09-30 12:00 |
13:55:34.21 |
-06:57:10.3 |
HIP 68116 |
27.78 |
| 2026-10-01 00:00 |
13:55:46.59 |
-06:58:24.5 |
HIP 68116 |
24.93 |
| 2026-10-01 12:00 |
13:55:59.00 |
-06:59:38.7 |
HIP 68116 |
22.20 |
| 2026-10-02 00:00 |
13:56:11.44 |
-07:00:53.0 |
HIP 68116 |
19.65 |
| 2026-10-02 12:00 |
13:56:23.91 |
-07:02:07.3 |
HIP 68116 |
17.36 |
| 2026-10-03 00:00 |
13:56:36.41 |
-07:03:21.6 |
HIP 68116 |
15.45 |
| 2026-10-03 12:00 |
13:56:48.94 |
-07:04:35.9 |
HIP 68116 |
14.09 |
| 2026-10-04 00:00 |
13:57:01.49 |
-07:05:50.3 |
HIP 68116 |
13.45 |
| 2026-10-04 12:00 |
13:57:14.08 |
-07:07:04.6 |
HIP 68116 |
13.62 |
| 2026-10-05 00:00 |
13:57:26.70 |
-07:08:19.0 |
HIP 68116 |
14.60 |
| 2026-10-05 12:00 |
13:57:39.34 |
-07:09:33.3 |
HIP 68116 |
16.23 |
| 2026-10-06 00:00 |
13:57:52.01 |
-07:10:47.7 |
HIP 68116 |
18.35 |
| 2026-10-06 12:00 |
13:58:04.70 |
-07:12:02.1 |
HIP 68254 |
20.34 |
| 2026-10-07 00:00 |
13:58:17.43 |
-07:13:16.4 |
HIP 68309 |
20.66 |
| 2026-10-07 12:00 |
13:58:30.17 |
-07:14:30.7 |
HIP 68309 |
20.39 |
| 2026-10-08 00:00 |
13:58:42.94 |
-07:15:45.0 |
HIP 68309 |
20.68 |
| 2026-10-08 12:00 |
13:58:55.74 |
-07:16:59.3 |
HIP 68309 |
21.51 |
| 2026-10-09 00:00 |
13:59:08.56 |
-07:18:13.6 |
HIP 68309 |
22.82 |
| 2026-10-09 12:00 |
13:59:21.40 |
-07:19:27.9 |
HIP 68309 |
24.55 |
| 2026-10-10 00:00 |
13:59:34.27 |
-07:20:42.1 |
HIP 68471 |
26.54 |
| 2026-10-10 12:00 |
13:59:47.16 |
-07:21:56.3 |
HIP 68471 |
24.60 |
| 2026-10-11 00:00 |
14:00:00.06 |
-07:23:10.4 |
HIP 68471 |
23.00 |