| Parameter |
Value |
| Designation |
184P/Lovas 2 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-07-28T11:10:21.118080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:27:47Z |
| Obs used |
349 |
| NEO |
- |
| M1 |
18.400 |
| K1 |
5.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2013-06-17.0000000 |
| e |
0.60425111 |
| q (au) |
1.394023 |
| a (au) |
3.522495 |
| i (deg) |
1.551449 |
| Ω (om, deg) |
277.744967 |
| ω (w, deg) |
78.060921 |
| M (ma, deg) |
353.818190 |
Magnitude
Scatter + Global Linear
$$
M_a = (17.513 + 3.819\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
17.513 |
| n |
3.819 |
| gf |
1.000 |
| gb |
-0.869 |
| k |
0.999 |
| δ90 |
10.000 |
| Parameter |
Symbol |
Range |
Description |
| Absolute magnitude at 1 AU from Sun and Earth |
H0 |
-5 to 20 |
Intrinsic brightness of the comet |
| Photometric slope parameter |
n |
2 to 6 |
Rate of brightness change with heliocentric distance |
| Forward scattering asymmetry factor |
gf |
0.8 to 1 |
Degree of forward scattering |
| Backward scattering asymmetry factor |
gb |
-1 to -0.5 |
Degree of backward scattering |
| Partitioning coefficient |
k |
0.8 to 1 |
Ratio between forward/backward scattering contributions |
| Dust-to-gas brightness ratio |
δ90 |
1 to 10 |
Relative contribution of dust scattering to gas emission |
Reference: EPSC-DPS2025-160
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
14:29:26.76 |
-11:04:09.9 |
HIP 70797 |
12.39 |
| 2026-03-26 12:00 |
14:29:13.79 |
-11:02:41.3 |
HIP 70797 |
10.75 |
| 2026-03-27 00:00 |
14:29:00.65 |
-11:01:11.9 |
HIP 70797 |
10.09 |
| 2026-03-27 12:00 |
14:28:47.34 |
-10:59:41.8 |
HIP 70797 |
10.66 |
| 2026-03-28 00:00 |
14:28:33.87 |
-10:58:10.9 |
HIP 70797 |
12.32 |
| 2026-03-28 12:00 |
14:28:20.23 |
-10:56:39.3 |
HIP 70797 |
14.74 |
| 2026-03-29 00:00 |
14:28:06.42 |
-10:55:07.0 |
HIP 70797 |
17.62 |
| 2026-03-29 12:00 |
14:27:52.46 |
-10:53:33.9 |
HIP 70797 |
20.81 |
| 2026-03-30 00:00 |
14:27:38.33 |
-10:52:00.2 |
HIP 70797 |
24.20 |
| 2026-03-30 12:00 |
14:27:24.05 |
-10:50:25.8 |
HIP 70797 |
27.73 |
| 2026-03-31 00:00 |
14:27:09.61 |
-10:48:50.7 |
HIP 70797 |
31.37 |
| 2026-03-31 12:00 |
14:26:55.02 |
-10:47:15.0 |
HIP 70720 |
34.87 |
| 2026-04-01 00:00 |
14:26:40.27 |
-10:45:38.6 |
HIP 70688 |
35.54 |
| 2026-04-01 12:00 |
14:26:25.38 |
-10:44:01.5 |
HIP 70438 |
34.82 |
| 2026-04-02 00:00 |
14:26:10.33 |
-10:42:23.8 |
HIP 70438 |
33.16 |
| 2026-04-02 12:00 |
14:25:55.14 |
-10:40:45.5 |
HIP 70438 |
31.90 |
| 2026-04-03 00:00 |
14:25:39.81 |
-10:39:06.6 |
HIP 70438 |
31.12 |
| 2026-04-03 12:00 |
14:25:24.33 |
-10:37:27.0 |
HIP 70438 |
30.87 |
| 2026-04-04 00:00 |
14:25:08.72 |
-10:35:46.9 |
HIP 70438 |
31.17 |
| 2026-04-04 12:00 |
14:24:52.96 |
-10:34:06.2 |
HIP 70294 |
30.70 |
| 2026-04-05 00:00 |
14:24:37.08 |
-10:32:24.9 |
HIP 70294 |
27.81 |
| 2026-04-05 12:00 |
14:24:21.05 |
-10:30:43.1 |
HIP 70294 |
25.29 |
| 2026-04-06 00:00 |
14:24:04.90 |
-10:29:00.7 |
HIP 70294 |
23.28 |
| 2026-04-06 12:00 |
14:23:48.62 |
-10:27:17.8 |
HIP 70294 |
21.93 |
| 2026-04-07 00:00 |
14:23:32.21 |
-10:25:34.4 |
HIP 70294 |
21.38 |
| 2026-04-07 12:00 |
14:23:15.67 |
-10:23:50.5 |
HIP 70294 |
21.73 |
| 2026-04-08 00:00 |
14:22:59.02 |
-10:22:06.1 |
HIP 70183 |
21.20 |
| 2026-04-08 12:00 |
14:22:42.24 |
-10:20:21.2 |
HIP 70183 |
17.18 |
| 2026-04-09 00:00 |
14:22:25.35 |
-10:18:35.8 |
HIP 70183 |
13.43 |
| 2026-04-09 12:00 |
14:22:08.34 |
-10:16:50.0 |
HIP 70183 |
10.29 |
| 2026-04-10 00:00 |
14:21:51.22 |
-10:15:03.8 |
HIP 70183 |
8.51 |
| 2026-04-10 12:00 |
14:21:33.99 |
-10:13:17.1 |
HIP 70183 |
8.98 |
| 2026-04-11 00:00 |
14:21:16.66 |
-10:11:30.1 |
HIP 70183 |
11.48 |
| 2026-04-11 12:00 |
14:20:59.22 |
-10:09:42.6 |
HIP 70183 |
15.03 |
| 2026-04-12 00:00 |
14:20:41.68 |
-10:07:54.8 |
HIP 70183 |
19.09 |
| 2026-04-12 12:00 |
14:20:24.04 |
-10:06:06.6 |
HIP 70183 |
23.40 |
| 2026-04-13 00:00 |
14:20:06.30 |
-10:04:18.0 |
HIP 70183 |
27.86 |
| 2026-04-13 12:00 |
14:19:48.47 |
-10:02:29.2 |
HIP 70183 |
32.41 |
| 2026-04-14 00:00 |
14:19:30.56 |
-10:00:40.0 |
HIP 69976 |
36.41 |
| 2026-04-14 12:00 |
14:19:12.55 |
-09:58:50.5 |
HIP 69920 |
35.70 |
| 2026-04-15 00:00 |
14:18:54.46 |
-09:57:00.7 |
HIP 69920 |
32.92 |
| 2026-04-15 12:00 |
14:18:36.29 |
-09:55:10.7 |
HIP 69920 |
30.64 |
| 2026-04-16 00:00 |
14:18:18.04 |
-09:53:20.5 |
HIP 69920 |
29.00 |