메타데이터
| 항목 |
값 |
| Designation |
C/1955 N1 (Bakharev-Macfarlane-Krienke) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1955-07-11T12:59:41.798400Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:12Z |
| Obs used |
28 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1955-08-16.0000000 |
| e |
0.99424862 |
| q (au) |
1.427452 |
| a (au) |
248.192798 |
| i (deg) |
50.033957 |
| Ω (om, deg) |
303.466133 |
| ω (w, deg) |
13.216239 |
| M (ma, deg) |
0.008938 |
밝기
산란 + 전체 선형
$$
M_a = (6.175 + 5.060\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.175 |
| n |
5.060 |
| gf |
0.800 |
| gb |
-0.724 |
| k |
1.000 |
| δ90 |
1.000 |
| 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 |
| 1955-07-13 |
1955-09-13 |
+0.5509 |
-0.010 |
| 1955-09-13 |
1955-11-23 |
+6.3738 |
-2.002 |
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 |
08:25:34.99 |
+19:00:32.4 |
HIP 41233 |
14.43 |
| 2026-09-20 12:00 |
08:25:35.78 |
+19:00:29.3 |
HIP 41233 |
14.60 |
| 2026-09-21 00:00 |
08:25:36.56 |
+19:00:26.3 |
HIP 41233 |
14.78 |
| 2026-09-21 12:00 |
08:25:37.33 |
+19:00:23.3 |
HIP 41233 |
14.95 |
| 2026-09-22 00:00 |
08:25:38.09 |
+19:00:20.3 |
HIP 41233 |
15.11 |
| 2026-09-22 12:00 |
08:25:38.84 |
+19:00:17.4 |
HIP 41233 |
15.28 |
| 2026-09-23 00:00 |
08:25:39.59 |
+19:00:14.5 |
HIP 41233 |
15.45 |
| 2026-09-23 12:00 |
08:25:40.32 |
+19:00:11.6 |
HIP 41233 |
15.61 |
| 2026-09-24 00:00 |
08:25:41.05 |
+19:00:08.8 |
HIP 41233 |
15.77 |
| 2026-09-24 12:00 |
08:25:41.76 |
+19:00:06.0 |
HIP 41233 |
15.93 |
| 2026-09-25 00:00 |
08:25:42.47 |
+19:00:03.2 |
HIP 41233 |
16.09 |
| 2026-09-25 12:00 |
08:25:43.16 |
+19:00:00.4 |
HIP 41233 |
16.25 |
| 2026-09-26 00:00 |
08:25:43.85 |
+18:59:57.7 |
HIP 41233 |
16.40 |
| 2026-09-26 12:00 |
08:25:44.53 |
+18:59:55.0 |
HIP 41233 |
16.55 |
| 2026-09-27 00:00 |
08:25:45.20 |
+18:59:52.4 |
HIP 41233 |
16.70 |
| 2026-09-27 12:00 |
08:25:45.85 |
+18:59:49.8 |
HIP 41233 |
16.85 |
| 2026-09-28 00:00 |
08:25:46.50 |
+18:59:47.2 |
HIP 41233 |
17.00 |
| 2026-09-28 12:00 |
08:25:47.14 |
+18:59:44.6 |
HIP 41233 |
17.15 |
| 2026-09-29 00:00 |
08:25:47.77 |
+18:59:42.1 |
HIP 41233 |
17.29 |
| 2026-09-29 12:00 |
08:25:48.39 |
+18:59:39.6 |
HIP 41233 |
17.43 |
| 2026-09-30 00:00 |
08:25:49.00 |
+18:59:37.2 |
HIP 41233 |
17.57 |
| 2026-09-30 12:00 |
08:25:49.60 |
+18:59:34.8 |
HIP 41233 |
17.71 |
| 2026-10-01 00:00 |
08:25:50.19 |
+18:59:32.4 |
HIP 41233 |
17.84 |
| 2026-10-01 12:00 |
08:25:50.77 |
+18:59:30.0 |
HIP 41233 |
17.98 |
| 2026-10-02 00:00 |
08:25:51.34 |
+18:59:27.7 |
HIP 41233 |
18.11 |
| 2026-10-02 12:00 |
08:25:51.90 |
+18:59:25.4 |
HIP 41233 |
18.24 |
| 2026-10-03 00:00 |
08:25:52.45 |
+18:59:23.2 |
HIP 41233 |
18.36 |
| 2026-10-03 12:00 |
08:25:52.99 |
+18:59:21.0 |
HIP 41233 |
18.49 |
| 2026-10-04 00:00 |
08:25:53.51 |
+18:59:18.8 |
HIP 41233 |
18.61 |
| 2026-10-04 12:00 |
08:25:54.03 |
+18:59:16.6 |
HIP 41233 |
18.73 |
| 2026-10-05 00:00 |
08:25:54.54 |
+18:59:14.5 |
HIP 41233 |
18.85 |
| 2026-10-05 12:00 |
08:25:55.04 |
+18:59:12.5 |
HIP 41233 |
18.97 |
| 2026-10-06 00:00 |
08:25:55.52 |
+18:59:10.4 |
HIP 41233 |
19.08 |
| 2026-10-06 12:00 |
08:25:56.00 |
+18:59:08.4 |
HIP 41233 |
19.19 |
| 2026-10-07 00:00 |
08:25:56.47 |
+18:59:06.5 |
HIP 41233 |
19.30 |
| 2026-10-07 12:00 |
08:25:56.92 |
+18:59:04.5 |
HIP 41233 |
19.41 |
| 2026-10-08 00:00 |
08:25:57.37 |
+18:59:02.6 |
HIP 41233 |
19.51 |
| 2026-10-08 12:00 |
08:25:57.80 |
+18:59:00.8 |
HIP 41233 |
19.61 |
| 2026-10-09 00:00 |
08:25:58.22 |
+18:58:59.0 |
HIP 41233 |
19.71 |
| 2026-10-09 12:00 |
08:25:58.64 |
+18:58:57.2 |
HIP 41233 |
19.81 |
| 2026-10-10 00:00 |
08:25:59.04 |
+18:58:55.4 |
HIP 41233 |
19.90 |
| 2026-10-10 12:00 |
08:25:59.43 |
+18:58:53.7 |
HIP 41233 |
19.99 |
| 2026-10-11 00:00 |
08:25:59.81 |
+18:58:52.1 |
HIP 41233 |
20.08 |