| Parameter |
Value |
| Designation |
506P/WISE-LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-08-25T06:38:14.740800Z |
| Orbit solution date (soln_date, UTC) |
2025-09-15T15:02:52Z |
| Obs used |
291 |
| NEO |
- |
| M1 |
8.600 |
| K1 |
19.250 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2010-05-20T12:52:33.600000Z |
| Discovery magnitude (MPC) |
- |
| Discovery observatory (MPC) |
C51 · WISE |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2019-09-03.0000000 |
| e |
0.48210120 |
| q (au) |
2.888384 |
| a (au) |
5.577120 |
| i (deg) |
13.650119 |
| Ω (om, deg) |
325.837750 |
| ω (w, deg) |
353.601887 |
| M (ma, deg) |
251.322812 |
Magnitude
Scatter + Global Linear
$$
M_a = (9.543 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
9.543 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.997 |
| 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
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
05:47:14.26 |
+33:12:26.0 |
HIP 27252 |
20.48 |
| 2026-06-01 12:00 |
05:47:39.79 |
+33:12:11.2 |
HIP 27252 |
23.40 |
| 2026-06-02 00:00 |
05:48:05.33 |
+33:11:56.4 |
HIP 27528 |
25.10 |
| 2026-06-02 12:00 |
05:48:30.89 |
+33:11:41.7 |
HIP 27528 |
20.64 |
| 2026-06-03 00:00 |
05:48:56.46 |
+33:11:27.0 |
HIP 27528 |
16.71 |
| 2026-06-03 12:00 |
05:49:22.05 |
+33:11:12.3 |
HIP 27528 |
13.78 |
| 2026-06-04 00:00 |
05:49:47.65 |
+33:10:57.7 |
HIP 27528 |
12.58 |
| 2026-06-04 12:00 |
05:50:13.27 |
+33:10:43.1 |
HIP 27528 |
13.57 |
| 2026-06-05 00:00 |
05:50:38.90 |
+33:10:28.6 |
HIP 27528 |
16.37 |
| 2026-06-05 12:00 |
05:51:04.54 |
+33:10:14.1 |
HIP 27528 |
20.24 |
| 2026-06-06 00:00 |
05:51:30.19 |
+33:09:59.6 |
HIP 27806 |
19.39 |
| 2026-06-06 12:00 |
05:51:55.86 |
+33:09:45.2 |
HIP 27806 |
14.02 |
| 2026-06-07 00:00 |
05:52:21.53 |
+33:09:30.7 |
HIP 27806 |
8.64 |
| 2026-06-07 12:00 |
05:52:47.22 |
+33:09:16.3 |
HIP 27806 |
3.27 |
| 2026-06-08 00:00 |
05:53:12.91 |
+33:09:02.0 |
HIP 27806 |
2.15 |
| 2026-06-08 12:00 |
05:53:38.61 |
+33:08:47.7 |
HIP 27806 |
7.52 |
| 2026-06-09 00:00 |
05:54:04.32 |
+33:08:33.3 |
HIP 27806 |
12.90 |
| 2026-06-09 12:00 |
05:54:30.04 |
+33:08:19.1 |
HIP 27806 |
18.29 |
| 2026-06-10 00:00 |
05:54:55.76 |
+33:08:04.8 |
HIP 28102 |
19.09 |
| 2026-06-10 12:00 |
05:55:21.49 |
+33:07:50.6 |
HIP 28102 |
14.06 |
| 2026-06-11 00:00 |
05:55:47.22 |
+33:07:36.4 |
HIP 28102 |
9.44 |
| 2026-06-11 12:00 |
05:56:12.96 |
+33:07:22.2 |
HIP 28102 |
6.20 |
| 2026-06-12 00:00 |
05:56:38.70 |
+33:07:08.1 |
HIP 28102 |
6.78 |
| 2026-06-12 12:00 |
05:57:04.44 |
+33:06:53.9 |
HIP 28102 |
10.56 |
| 2026-06-13 00:00 |
05:57:30.19 |
+33:06:39.8 |
HIP 28212 |
9.18 |
| 2026-06-13 12:00 |
05:57:55.94 |
+33:06:25.7 |
HIP 28212 |
9.80 |
| 2026-06-14 00:00 |
05:58:21.69 |
+33:06:11.7 |
HIP 28212 |
12.88 |
| 2026-06-14 12:00 |
05:58:47.43 |
+33:05:57.6 |
HIP 28361 |
15.80 |
| 2026-06-15 00:00 |
05:59:13.18 |
+33:05:43.6 |
HIP 28429 |
13.06 |
| 2026-06-15 12:00 |
05:59:38.92 |
+33:05:29.6 |
HIP 28429 |
7.92 |
| 2026-06-16 00:00 |
06:00:04.67 |
+33:05:15.7 |
HIP 28429 |
3.59 |
| 2026-06-16 12:00 |
06:00:30.40 |
+33:05:01.7 |
HIP 28429 |
4.62 |
| 2026-06-17 00:00 |
06:00:56.14 |
+33:04:47.8 |
HIP 28429 |
9.38 |
| 2026-06-17 12:00 |
06:01:21.87 |
+33:04:33.9 |
HIP 28429 |
14.59 |
| 2026-06-18 00:00 |
06:01:47.59 |
+33:04:20.0 |
HIP 28429 |
19.89 |
| 2026-06-18 12:00 |
06:02:13.31 |
+33:04:06.1 |
HIP 28429 |
25.23 |
| 2026-06-19 00:00 |
06:02:39.02 |
+33:03:52.3 |
HIP 28644 |
25.92 |
| 2026-06-19 12:00 |
06:03:04.72 |
+33:03:38.4 |
HIP 28644 |
25.55 |
| 2026-06-20 00:00 |
06:03:30.41 |
+33:03:24.6 |
HIP 28644 |
26.30 |
| 2026-06-20 12:00 |
06:03:56.09 |
+33:03:10.8 |
HIP 28644 |
28.10 |
| 2026-06-21 00:00 |
06:04:21.76 |
+33:02:57.0 |
HIP 28644 |
30.74 |
| 2026-06-21 12:00 |
06:04:47.42 |
+33:02:43.3 |
HIP 28994 |
28.87 |
| 2026-06-22 00:00 |
06:05:13.07 |
+33:02:29.5 |
HIP 28994 |
23.51 |