메타데이터
| 항목 |
값 |
| Designation |
C/2001 RX14 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-01-18T16:52:12.123840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:11Z |
| Obs used |
3261 |
| NEO |
- |
| M1 |
9.700 |
| K1 |
6.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2002-12-31.0000000 |
| e |
1.00160630 |
| q (au) |
2.057562 |
| a (au) |
-1280.933457 |
| i (deg) |
30.574145 |
| Ω (om, deg) |
14.169847 |
| ω (w, deg) |
121.485659 |
| M (ma, deg) |
-0.000402 |
밝기
산란 + 전체 선형
$$
M_a = (7.044 + 3.284\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.044 |
| n |
3.284 |
| gf |
0.998 |
| gb |
-0.598 |
| k |
0.998 |
| δ90 |
9.993 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
20:10:46.12 |
-51:34:33.7 |
HIP 99344 |
12.38 |
| 2026-05-12 12:00 |
20:10:44.85 |
-51:34:55.5 |
HIP 99344 |
11.98 |
| 2026-05-13 00:00 |
20:10:43.54 |
-51:35:17.3 |
HIP 99344 |
11.59 |
| 2026-05-13 12:00 |
20:10:42.20 |
-51:35:39.1 |
HIP 99344 |
11.19 |
| 2026-05-14 00:00 |
20:10:40.83 |
-51:36:00.9 |
HIP 99344 |
10.79 |
| 2026-05-14 12:00 |
20:10:39.42 |
-51:36:22.7 |
HIP 99344 |
10.39 |
| 2026-05-15 00:00 |
20:10:37.97 |
-51:36:44.4 |
HIP 99344 |
9.98 |
| 2026-05-15 12:00 |
20:10:36.50 |
-51:37:06.2 |
HIP 99344 |
9.58 |
| 2026-05-16 00:00 |
20:10:34.99 |
-51:37:27.9 |
HIP 99344 |
9.17 |
| 2026-05-16 12:00 |
20:10:33.44 |
-51:37:49.7 |
HIP 99344 |
8.76 |
| 2026-05-17 00:00 |
20:10:31.86 |
-51:38:11.4 |
HIP 99344 |
8.35 |
| 2026-05-17 12:00 |
20:10:30.25 |
-51:38:33.1 |
HIP 99344 |
7.93 |
| 2026-05-18 00:00 |
20:10:28.60 |
-51:38:54.8 |
HIP 99344 |
7.52 |
| 2026-05-18 12:00 |
20:10:26.93 |
-51:39:16.4 |
HIP 99344 |
7.10 |
| 2026-05-19 00:00 |
20:10:25.21 |
-51:39:38.1 |
HIP 99344 |
6.69 |
| 2026-05-19 12:00 |
20:10:23.47 |
-51:39:59.7 |
HIP 99344 |
6.27 |
| 2026-05-20 00:00 |
20:10:21.69 |
-51:40:21.3 |
HIP 99344 |
5.86 |
| 2026-05-20 12:00 |
20:10:19.88 |
-51:40:42.8 |
HIP 99344 |
5.44 |
| 2026-05-21 00:00 |
20:10:18.04 |
-51:41:04.3 |
HIP 99344 |
5.03 |
| 2026-05-21 12:00 |
20:10:16.16 |
-51:41:25.8 |
HIP 99344 |
4.63 |
| 2026-05-22 00:00 |
20:10:14.25 |
-51:41:47.3 |
HIP 99344 |
4.23 |
| 2026-05-22 12:00 |
20:10:12.31 |
-51:42:08.7 |
HIP 99344 |
3.84 |
| 2026-05-23 00:00 |
20:10:10.34 |
-51:42:30.1 |
HIP 99344 |
3.47 |
| 2026-05-23 12:00 |
20:10:08.34 |
-51:42:51.5 |
HIP 99344 |
3.12 |
| 2026-05-24 00:00 |
20:10:06.31 |
-51:43:12.8 |
HIP 99344 |
2.80 |
| 2026-05-24 12:00 |
20:10:04.24 |
-51:43:34.0 |
HIP 99344 |
2.52 |
| 2026-05-25 00:00 |
20:10:02.14 |
-51:43:55.3 |
HIP 99344 |
2.31 |
| 2026-05-25 12:00 |
20:10:00.02 |
-51:44:16.4 |
HIP 99344 |
2.17 |
| 2026-05-26 00:00 |
20:09:57.86 |
-51:44:37.6 |
HIP 99344 |
2.14 |
| 2026-05-26 12:00 |
20:09:55.67 |
-51:44:58.7 |
HIP 99344 |
2.21 |
| 2026-05-27 00:00 |
20:09:53.45 |
-51:45:19.7 |
HIP 99344 |
2.38 |
| 2026-05-27 12:00 |
20:09:51.20 |
-51:45:40.7 |
HIP 99344 |
2.63 |
| 2026-05-28 00:00 |
20:09:48.92 |
-51:46:01.6 |
HIP 99344 |
2.94 |
| 2026-05-28 12:00 |
20:09:46.61 |
-51:46:22.5 |
HIP 99344 |
3.30 |
| 2026-05-29 00:00 |
20:09:44.27 |
-51:46:43.3 |
HIP 99344 |
3.69 |
| 2026-05-29 12:00 |
20:09:41.90 |
-51:47:04.0 |
HIP 99344 |
4.10 |
| 2026-05-30 00:00 |
20:09:39.50 |
-51:47:24.7 |
HIP 99344 |
4.53 |
| 2026-05-30 12:00 |
20:09:37.07 |
-51:47:45.3 |
HIP 99344 |
4.98 |
| 2026-05-31 00:00 |
20:09:34.61 |
-51:48:05.9 |
HIP 99344 |
5.44 |
| 2026-05-31 12:00 |
20:09:32.13 |
-51:48:26.4 |
HIP 99344 |
5.91 |
| 2026-06-01 00:00 |
20:09:29.61 |
-51:48:46.8 |
HIP 99344 |
6.38 |
| 2026-06-01 12:00 |
20:09:27.07 |
-51:49:07.2 |
HIP 99344 |
6.87 |
| 2026-06-02 00:00 |
20:09:24.49 |
-51:49:27.5 |
HIP 99344 |
7.36 |