메타데이터
| 항목 |
값 |
| Designation |
C/2004 RG113 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2005-03-03T17:13:10.678080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:43Z |
| Obs used |
414 |
| NEO |
- |
| M1 |
13.900 |
| K1 |
8.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2005-02-11.0000000 |
| e |
0.99722336 |
| q (au) |
1.942358 |
| a (au) |
699.536709 |
| i (deg) |
21.618236 |
| Ω (om, deg) |
8.772958 |
| ω (w, deg) |
125.305509 |
| M (ma, deg) |
359.998896 |
밝기
산란 + 전체 선형
$$
M_a = (9.533 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.533 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.999 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
19:49:48.48 |
-42:48:03.0 |
HIP 97449 |
17.07 |
| 2026-05-12 12:00 |
19:49:47.00 |
-42:48:20.3 |
HIP 97449 |
16.96 |
| 2026-05-13 00:00 |
19:49:45.49 |
-42:48:37.5 |
HIP 97449 |
16.85 |
| 2026-05-13 12:00 |
19:49:43.95 |
-42:48:54.8 |
HIP 97449 |
16.74 |
| 2026-05-14 00:00 |
19:49:42.38 |
-42:49:12.0 |
HIP 97449 |
16.64 |
| 2026-05-14 12:00 |
19:49:40.77 |
-42:49:29.3 |
HIP 97449 |
16.54 |
| 2026-05-15 00:00 |
19:49:39.14 |
-42:49:46.5 |
HIP 97449 |
16.45 |
| 2026-05-15 12:00 |
19:49:37.48 |
-42:50:03.7 |
HIP 97449 |
16.36 |
| 2026-05-16 00:00 |
19:49:35.79 |
-42:50:20.9 |
HIP 97449 |
16.28 |
| 2026-05-16 12:00 |
19:49:34.07 |
-42:50:38.1 |
HIP 97449 |
16.21 |
| 2026-05-17 00:00 |
19:49:32.32 |
-42:50:55.3 |
HIP 97449 |
16.14 |
| 2026-05-17 12:00 |
19:49:30.54 |
-42:51:12.5 |
HIP 97449 |
16.08 |
| 2026-05-18 00:00 |
19:49:28.73 |
-42:51:29.7 |
HIP 97449 |
16.03 |
| 2026-05-18 12:00 |
19:49:26.89 |
-42:51:46.8 |
HIP 97449 |
15.98 |
| 2026-05-19 00:00 |
19:49:25.02 |
-42:52:04.0 |
HIP 97449 |
15.94 |
| 2026-05-19 12:00 |
19:49:23.12 |
-42:52:21.1 |
HIP 97449 |
15.92 |
| 2026-05-20 00:00 |
19:49:21.19 |
-42:52:38.2 |
HIP 97449 |
15.90 |
| 2026-05-20 12:00 |
19:49:19.24 |
-42:52:55.3 |
HIP 97449 |
15.89 |
| 2026-05-21 00:00 |
19:49:17.26 |
-42:53:12.3 |
HIP 97449 |
15.89 |
| 2026-05-21 12:00 |
19:49:15.25 |
-42:53:29.4 |
HIP 97449 |
15.90 |
| 2026-05-22 00:00 |
19:49:13.21 |
-42:53:46.4 |
HIP 97449 |
15.92 |
| 2026-05-22 12:00 |
19:49:11.14 |
-42:54:03.3 |
HIP 97449 |
15.95 |
| 2026-05-23 00:00 |
19:49:09.04 |
-42:54:20.3 |
HIP 97449 |
15.99 |
| 2026-05-23 12:00 |
19:49:06.92 |
-42:54:37.2 |
HIP 97449 |
16.04 |
| 2026-05-24 00:00 |
19:49:04.77 |
-42:54:54.1 |
HIP 97449 |
16.11 |
| 2026-05-24 12:00 |
19:49:02.60 |
-42:55:10.9 |
HIP 97449 |
16.19 |
| 2026-05-25 00:00 |
19:49:00.39 |
-42:55:27.7 |
HIP 97449 |
16.27 |
| 2026-05-25 12:00 |
19:48:58.16 |
-42:55:44.5 |
HIP 97449 |
16.38 |
| 2026-05-26 00:00 |
19:48:55.90 |
-42:56:01.3 |
HIP 97449 |
16.49 |
| 2026-05-26 12:00 |
19:48:53.62 |
-42:56:18.0 |
HIP 97449 |
16.61 |
| 2026-05-27 00:00 |
19:48:51.31 |
-42:56:34.6 |
HIP 97449 |
16.75 |
| 2026-05-27 12:00 |
19:48:48.97 |
-42:56:51.2 |
HIP 97449 |
16.90 |
| 2026-05-28 00:00 |
19:48:46.61 |
-42:57:07.8 |
HIP 97449 |
17.06 |
| 2026-05-28 12:00 |
19:48:44.23 |
-42:57:24.3 |
HIP 97449 |
17.23 |
| 2026-05-29 00:00 |
19:48:41.81 |
-42:57:40.8 |
HIP 97449 |
17.42 |
| 2026-05-29 12:00 |
19:48:39.37 |
-42:57:57.3 |
HIP 97449 |
17.61 |
| 2026-05-30 00:00 |
19:48:36.91 |
-42:58:13.7 |
HIP 97449 |
17.82 |
| 2026-05-30 12:00 |
19:48:34.42 |
-42:58:30.0 |
HIP 97449 |
18.04 |
| 2026-05-31 00:00 |
19:48:31.91 |
-42:58:46.3 |
HIP 97449 |
18.28 |
| 2026-05-31 12:00 |
19:48:29.37 |
-42:59:02.5 |
HIP 97449 |
18.52 |
| 2026-06-01 00:00 |
19:48:26.81 |
-42:59:18.7 |
HIP 97449 |
18.78 |
| 2026-06-01 12:00 |
19:48:24.22 |
-42:59:34.9 |
HIP 97449 |
19.04 |
| 2026-06-02 00:00 |
19:48:21.61 |
-42:59:51.0 |
HIP 97449 |
19.32 |