| Parameter |
Value |
| Designation |
P/2004 R3 (LINEAR-NEAT) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2004-05-24T11:56:33.253440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:42Z |
| Obs used |
143 |
| NEO |
- |
| M1 |
17.000 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2004-09-30.0000000 |
| e |
0.44181829 |
| q (au) |
2.141488 |
| a (au) |
3.836543 |
| i (deg) |
7.972159 |
| Ω (om, deg) |
318.806424 |
| ω (w, deg) |
5.298112 |
| M (ma, deg) |
16.854088 |
Magnitude
Scatter + Global Linear
$$
M_a = (16.211 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
16.211 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
1.000 |
| 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
Finding Chart
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
09:30:14.94 |
+08:56:27.4 |
HIP 46516 |
23.55 |
| 2026-06-01 12:00 |
09:30:26.97 |
+08:55:31.9 |
HIP 46516 |
24.86 |
| 2026-06-02 00:00 |
09:30:39.12 |
+08:54:35.7 |
HIP 46764 |
24.85 |
| 2026-06-02 12:00 |
09:30:51.37 |
+08:53:38.9 |
HIP 46764 |
23.41 |
| 2026-06-03 00:00 |
09:31:03.74 |
+08:52:41.4 |
HIP 46764 |
22.33 |
| 2026-06-03 12:00 |
09:31:16.21 |
+08:51:43.2 |
HIP 46764 |
21.66 |
| 2026-06-04 00:00 |
09:31:28.80 |
+08:50:44.4 |
HIP 46764 |
21.47 |
| 2026-06-04 12:00 |
09:31:41.49 |
+08:49:44.9 |
HIP 46764 |
21.78 |
| 2026-06-05 00:00 |
09:31:54.29 |
+08:48:44.8 |
HIP 46764 |
22.57 |
| 2026-06-05 12:00 |
09:32:07.19 |
+08:47:44.0 |
HIP 46764 |
23.82 |
| 2026-06-06 00:00 |
09:32:20.20 |
+08:46:42.5 |
HIP 46764 |
25.47 |
| 2026-06-06 12:00 |
09:32:33.32 |
+08:45:40.4 |
HIP 46885 |
26.64 |
| 2026-06-07 00:00 |
09:32:46.54 |
+08:44:37.6 |
HIP 46885 |
26.52 |
| 2026-06-07 12:00 |
09:32:59.86 |
+08:43:34.2 |
HIP 46885 |
26.85 |
| 2026-06-08 00:00 |
09:33:13.29 |
+08:42:30.1 |
HIP 46885 |
27.62 |
| 2026-06-08 12:00 |
09:33:26.82 |
+08:41:25.4 |
HIP 46885 |
28.81 |
| 2026-06-09 00:00 |
09:33:40.45 |
+08:40:20.0 |
HIP 46885 |
30.37 |
| 2026-06-09 12:00 |
09:33:54.18 |
+08:39:14.0 |
HIP 46994 |
30.33 |
| 2026-06-10 00:00 |
09:34:08.01 |
+08:38:07.3 |
HIP 46994 |
28.12 |
| 2026-06-10 12:00 |
09:34:21.95 |
+08:37:00.0 |
HIP 46994 |
26.20 |
| 2026-06-11 00:00 |
09:34:35.98 |
+08:35:52.0 |
HIP 46994 |
24.66 |
| 2026-06-11 12:00 |
09:34:50.10 |
+08:34:43.3 |
HIP 46994 |
23.57 |
| 2026-06-12 00:00 |
09:35:04.33 |
+08:33:34.1 |
HIP 46994 |
23.03 |
| 2026-06-12 12:00 |
09:35:18.65 |
+08:32:24.1 |
HIP 47136 |
21.34 |
| 2026-06-13 00:00 |
09:35:33.07 |
+08:31:13.6 |
HIP 47136 |
20.00 |
| 2026-06-13 12:00 |
09:35:47.58 |
+08:30:02.4 |
HIP 47136 |
19.31 |
| 2026-06-14 00:00 |
09:36:02.19 |
+08:28:50.6 |
HIP 47136 |
19.35 |
| 2026-06-14 12:00 |
09:36:16.89 |
+08:27:38.1 |
HIP 47136 |
20.13 |
| 2026-06-15 00:00 |
09:36:31.68 |
+08:26:25.0 |
HIP 47136 |
21.59 |
| 2026-06-15 12:00 |
09:36:46.56 |
+08:25:11.2 |
HIP 47136 |
23.61 |
| 2026-06-16 00:00 |
09:37:01.54 |
+08:23:56.9 |
HIP 47136 |
26.07 |
| 2026-06-16 12:00 |
09:37:16.60 |
+08:22:41.9 |
HIP 47219 |
28.44 |
| 2026-06-17 00:00 |
09:37:31.76 |
+08:21:26.3 |
HIP 47219 |
29.66 |
| 2026-06-17 12:00 |
09:37:47.00 |
+08:20:10.0 |
HIP 47219 |
31.36 |
| 2026-06-18 00:00 |
09:38:02.33 |
+08:18:53.2 |
HIP 47446 |
31.76 |
| 2026-06-18 12:00 |
09:38:17.75 |
+08:17:35.7 |
HIP 47446 |
27.89 |
| 2026-06-19 00:00 |
09:38:33.25 |
+08:16:17.6 |
HIP 47446 |
24.04 |
| 2026-06-19 12:00 |
09:38:48.83 |
+08:14:58.9 |
HIP 47446 |
20.25 |
| 2026-06-20 00:00 |
09:39:04.51 |
+08:13:39.6 |
HIP 47446 |
16.58 |
| 2026-06-20 12:00 |
09:39:20.26 |
+08:12:19.7 |
HIP 47446 |
13.15 |
| 2026-06-21 00:00 |
09:39:36.09 |
+08:10:59.2 |
HIP 47446 |
10.23 |
| 2026-06-21 12:00 |
09:39:52.01 |
+08:09:38.1 |
HIP 47446 |
8.39 |
| 2026-06-22 00:00 |
09:40:08.01 |
+08:08:16.4 |
HIP 47446 |
8.43 |