| Parameter |
Value |
| Designation |
412P/WISE |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-14T00:01:38.400960Z |
| Orbit solution date (soln_date, UTC) |
2025-04-09T14:05:32Z |
| Obs used |
74 |
| NEO |
- |
| M1 |
15.200 |
| K1 |
20.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2020-12-19T10:55:12.864000Z |
| Discovery magnitude (MPC) |
20.10 T |
| Discovery observatory (MPC) |
G37 · Lowell Discovery Telescope |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2013-11-03.0000000 |
| e |
0.48090203 |
| q (au) |
1.612615 |
| a (au) |
3.106572 |
| i (deg) |
8.937369 |
| Ω (om, deg) |
0.856614 |
| ω (w, deg) |
155.962875 |
| M (ma, deg) |
254.157519 |
Magnitude
Scatter + Global Linear
$$
M_a = (15.724 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
15.724 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.999 |
| 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 |
08:38:08.43 |
+21:31:06.5 |
HIP 42293 |
29.79 |
| 2026-06-01 12:00 |
08:39:31.36 |
+21:23:37.8 |
HIP 42518 |
21.60 |
| 2026-06-02 00:00 |
08:40:54.23 |
+21:16:06.8 |
HIP 42518 |
16.43 |
| 2026-06-02 12:00 |
08:42:17.04 |
+21:08:33.6 |
HIP 42766 |
21.15 |
| 2026-06-03 00:00 |
08:43:39.79 |
+21:00:58.1 |
HIP 42766 |
16.08 |
| 2026-06-03 12:00 |
08:45:02.49 |
+20:53:20.5 |
HIP 42974 |
19.09 |
| 2026-06-04 00:00 |
08:46:25.12 |
+20:45:40.6 |
HIP 43061 |
8.75 |
| 2026-06-04 12:00 |
08:47:47.70 |
+20:37:58.6 |
HIP 43232 |
9.31 |
| 2026-06-05 00:00 |
08:49:10.21 |
+20:30:14.3 |
HIP 43254 |
12.06 |
| 2026-06-05 12:00 |
08:50:32.65 |
+20:22:28.0 |
HIP 43254 |
26.20 |
| 2026-06-06 00:00 |
08:51:55.04 |
+20:14:39.5 |
HIP 43552 |
7.10 |
| 2026-06-06 12:00 |
08:53:17.36 |
+20:06:48.9 |
HIP 43701 |
12.32 |
| 2026-06-07 00:00 |
08:54:39.61 |
+19:58:56.2 |
HIP 43683 |
10.44 |
| 2026-06-07 12:00 |
08:56:01.79 |
+19:51:01.4 |
HIP 43905 |
9.02 |
| 2026-06-08 00:00 |
08:57:23.91 |
+19:43:04.5 |
HIP 43905 |
12.96 |
| 2026-06-08 12:00 |
08:58:45.96 |
+19:35:05.6 |
HIP 44022 |
21.65 |
| 2026-06-09 00:00 |
09:00:07.94 |
+19:27:04.7 |
HIP 44312 |
31.06 |
| 2026-06-09 12:00 |
09:01:29.85 |
+19:19:01.8 |
HIP 44312 |
16.81 |
| 2026-06-10 00:00 |
09:02:51.69 |
+19:10:56.8 |
HIP 44312 |
21.84 |
| 2026-06-10 12:00 |
09:04:13.46 |
+19:02:49.9 |
HIP 44489 |
22.23 |
| 2026-06-11 00:00 |
09:05:35.16 |
+18:54:41.1 |
HIP 44489 |
27.80 |
| 2026-06-11 12:00 |
09:06:56.79 |
+18:46:30.3 |
HIP 44739 |
30.37 |
| 2026-06-12 00:00 |
09:08:18.34 |
+18:38:17.6 |
HIP 44739 |
28.48 |
| 2026-06-12 12:00 |
09:09:39.82 |
+18:30:03.0 |
HIP 45005 |
27.61 |
| 2026-06-13 00:00 |
09:11:01.23 |
+18:21:46.5 |
HIP 45138 |
22.71 |
| 2026-06-13 12:00 |
09:12:22.56 |
+18:13:28.2 |
HIP 45153 |
12.41 |
| 2026-06-14 00:00 |
09:13:43.81 |
+18:05:08.0 |
HIP 45327 |
12.83 |
| 2026-06-14 12:00 |
09:15:04.99 |
+17:56:46.0 |
HIP 45327 |
22.04 |
| 2026-06-15 00:00 |
09:16:26.09 |
+17:48:22.3 |
HIP 45540 |
20.55 |
| 2026-06-15 12:00 |
09:17:47.11 |
+17:39:56.7 |
HIP 45699 |
17.27 |
| 2026-06-16 00:00 |
09:19:08.06 |
+17:31:29.4 |
HIP 45699 |
11.07 |
| 2026-06-16 12:00 |
09:20:28.92 |
+17:23:00.4 |
HIP 45827 |
15.52 |
| 2026-06-17 00:00 |
09:21:49.70 |
+17:14:29.7 |
HIP 45827 |
18.40 |
| 2026-06-17 12:00 |
09:23:10.41 |
+17:05:57.3 |
HIP 45827 |
36.40 |
| 2026-06-18 00:00 |
09:24:31.02 |
+16:57:23.2 |
HIP 46232 |
26.68 |
| 2026-06-18 12:00 |
09:25:51.56 |
+16:48:47.5 |
HIP 46311 |
13.06 |
| 2026-06-19 00:00 |
09:27:12.01 |
+16:40:10.2 |
HIP 46311 |
8.35 |
| 2026-06-19 12:00 |
09:28:32.38 |
+16:31:31.3 |
HIP 46561 |
19.99 |
| 2026-06-20 00:00 |
09:29:52.66 |
+16:22:50.9 |
HIP 46561 |
3.19 |
| 2026-06-20 12:00 |
09:31:12.85 |
+16:14:08.9 |
HIP 46561 |
22.64 |
| 2026-06-21 00:00 |
09:32:32.96 |
+16:05:25.4 |
HIP 46745 |
23.18 |
| 2026-06-21 12:00 |
09:33:52.98 |
+15:56:40.4 |
HIP 46926 |
27.14 |
| 2026-06-22 00:00 |
09:35:12.91 |
+15:47:54.0 |
HIP 46926 |
26.69 |