| 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) |
| 2026-05-12 00:00 |
09:23:54.71 |
+09:23:57.4 |
HIP 46160 |
15.42 |
| 2026-05-12 12:00 |
09:24:01.59 |
+09:23:30.1 |
HIP 46160 |
14.21 |
| 2026-05-13 00:00 |
09:24:08.62 |
+09:23:02.1 |
HIP 46160 |
13.11 |
| 2026-05-13 12:00 |
09:24:15.79 |
+09:22:33.3 |
HIP 46160 |
12.16 |
| 2026-05-14 00:00 |
09:24:23.11 |
+09:22:03.8 |
HIP 46160 |
11.42 |
| 2026-05-14 12:00 |
09:24:30.57 |
+09:21:33.6 |
HIP 46160 |
10.95 |
| 2026-05-15 00:00 |
09:24:38.17 |
+09:21:02.7 |
HIP 46160 |
10.80 |
| 2026-05-15 12:00 |
09:24:45.91 |
+09:20:31.0 |
HIP 46197 |
10.09 |
| 2026-05-16 00:00 |
09:24:53.79 |
+09:19:58.6 |
HIP 46197 |
9.59 |
| 2026-05-16 12:00 |
09:25:01.81 |
+09:19:25.5 |
HIP 46197 |
9.52 |
| 2026-05-17 00:00 |
09:25:09.96 |
+09:18:51.7 |
HIP 46197 |
9.89 |
| 2026-05-17 12:00 |
09:25:18.26 |
+09:18:17.1 |
HIP 46197 |
10.68 |
| 2026-05-18 00:00 |
09:25:26.69 |
+09:17:41.9 |
HIP 46197 |
11.83 |
| 2026-05-18 12:00 |
09:25:35.26 |
+09:17:05.8 |
HIP 46197 |
13.26 |
| 2026-05-19 00:00 |
09:25:43.97 |
+09:16:29.1 |
HIP 46197 |
14.91 |
| 2026-05-19 12:00 |
09:25:52.81 |
+09:15:51.7 |
HIP 46197 |
16.73 |
| 2026-05-20 00:00 |
09:26:01.78 |
+09:15:13.5 |
HIP 46197 |
18.67 |
| 2026-05-20 12:00 |
09:26:10.88 |
+09:14:34.6 |
HIP 46197 |
20.73 |
| 2026-05-21 00:00 |
09:26:20.12 |
+09:13:55.1 |
HIP 46197 |
22.86 |
| 2026-05-21 12:00 |
09:26:29.49 |
+09:13:14.7 |
HIP 46197 |
25.08 |
| 2026-05-22 00:00 |
09:26:38.99 |
+09:12:33.7 |
HIP 46261 |
26.57 |
| 2026-05-22 12:00 |
09:26:48.62 |
+09:11:52.0 |
HIP 46454 |
25.80 |
| 2026-05-23 00:00 |
09:26:58.37 |
+09:11:09.6 |
HIP 46454 |
23.30 |
| 2026-05-23 12:00 |
09:27:08.26 |
+09:10:26.5 |
HIP 46454 |
20.76 |
| 2026-05-24 00:00 |
09:27:18.27 |
+09:09:42.6 |
HIP 46454 |
18.19 |
| 2026-05-24 12:00 |
09:27:28.40 |
+09:08:58.1 |
HIP 46454 |
15.58 |
| 2026-05-25 00:00 |
09:27:38.66 |
+09:08:12.9 |
HIP 46454 |
12.95 |
| 2026-05-25 12:00 |
09:27:49.05 |
+09:07:26.9 |
HIP 46454 |
10.29 |
| 2026-05-26 00:00 |
09:27:59.56 |
+09:06:40.3 |
HIP 46454 |
7.60 |
| 2026-05-26 12:00 |
09:28:10.19 |
+09:05:53.0 |
HIP 46454 |
4.91 |
| 2026-05-27 00:00 |
09:28:20.94 |
+09:05:05.0 |
HIP 46454 |
2.31 |
| 2026-05-27 12:00 |
09:28:31.81 |
+09:04:16.3 |
HIP 46454 |
1.40 |
| 2026-05-28 00:00 |
09:28:42.80 |
+09:03:26.9 |
HIP 46454 |
3.81 |
| 2026-05-28 12:00 |
09:28:53.91 |
+09:02:36.8 |
HIP 46454 |
6.60 |
| 2026-05-29 00:00 |
09:29:05.14 |
+09:01:46.1 |
HIP 46454 |
9.47 |
| 2026-05-29 12:00 |
09:29:16.49 |
+09:00:54.7 |
HIP 46454 |
12.38 |
| 2026-05-30 00:00 |
09:29:27.95 |
+09:00:02.6 |
HIP 46454 |
15.33 |
| 2026-05-30 12:00 |
09:29:39.52 |
+08:59:09.8 |
HIP 46454 |
18.31 |
| 2026-05-31 00:00 |
09:29:51.22 |
+08:58:16.3 |
HIP 46454 |
21.33 |
| 2026-05-31 12:00 |
09:30:03.02 |
+08:57:22.2 |
HIP 46516 |
22.61 |
| 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 |