| Parameter |
Value |
| Designation |
P/2014 V1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-01-21T15:55:13.284480Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:02Z |
| Obs used |
42 |
| NEO |
- |
| M1 |
13.300 |
| K1 |
10.000 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2014-11-13.0000000 |
| e |
0.52646548 |
| q (au) |
2.563720 |
| a (au) |
5.414009 |
| i (deg) |
22.461187 |
| Ω (om, deg) |
166.303030 |
| ω (w, deg) |
178.032981 |
| M (ma, deg) |
354.549580 |
Magnitude
Scatter + Global Linear
$$
M_a = (13.850 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
13.850 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.800 |
| 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 |
16:54:44.65 |
+07:12:30.6 |
HIP 82733 |
8.15 |
| 2026-06-01 12:00 |
16:54:26.14 |
+07:13:41.7 |
HIP 82733 |
7.23 |
| 2026-06-02 00:00 |
16:54:07.58 |
+07:14:50.5 |
HIP 82733 |
9.15 |
| 2026-06-02 12:00 |
16:53:48.97 |
+07:15:57.1 |
HIP 82733 |
12.68 |
| 2026-06-03 00:00 |
16:53:30.31 |
+07:17:01.4 |
HIP 82614 |
13.81 |
| 2026-06-03 12:00 |
16:53:11.61 |
+07:18:03.5 |
HIP 82614 |
12.71 |
| 2026-06-04 00:00 |
16:52:52.86 |
+07:19:03.2 |
HIP 82614 |
13.37 |
| 2026-06-04 12:00 |
16:52:34.09 |
+07:20:00.7 |
HIP 82614 |
15.56 |
| 2026-06-05 00:00 |
16:52:15.28 |
+07:20:55.8 |
HIP 82614 |
18.75 |
| 2026-06-05 12:00 |
16:51:56.44 |
+07:21:48.6 |
HIP 82614 |
22.52 |
| 2026-06-06 00:00 |
16:51:37.57 |
+07:22:39.1 |
HIP 82402 |
20.90 |
| 2026-06-06 12:00 |
16:51:18.69 |
+07:23:27.1 |
HIP 82402 |
17.04 |
| 2026-06-07 00:00 |
16:50:59.79 |
+07:24:12.9 |
HIP 82402 |
13.71 |
| 2026-06-07 12:00 |
16:50:40.87 |
+07:24:56.2 |
HIP 82402 |
11.40 |
| 2026-06-08 00:00 |
16:50:21.95 |
+07:25:37.2 |
HIP 82402 |
10.78 |
| 2026-06-08 12:00 |
16:50:03.02 |
+07:26:15.7 |
HIP 82402 |
12.10 |
| 2026-06-09 00:00 |
16:49:44.08 |
+07:26:51.8 |
HIP 82402 |
14.85 |
| 2026-06-09 12:00 |
16:49:25.15 |
+07:27:25.6 |
HIP 82402 |
18.40 |
| 2026-06-10 00:00 |
16:49:06.23 |
+07:27:56.8 |
HIP 82402 |
22.36 |
| 2026-06-10 12:00 |
16:48:47.31 |
+07:28:25.7 |
HIP 82402 |
26.55 |
| 2026-06-11 00:00 |
16:48:28.41 |
+07:28:52.1 |
HIP 82402 |
30.87 |
| 2026-06-11 12:00 |
16:48:09.53 |
+07:29:16.0 |
HIP 82104 |
29.28 |
| 2026-06-12 00:00 |
16:47:50.66 |
+07:29:37.4 |
HIP 82104 |
24.91 |
| 2026-06-12 12:00 |
16:47:31.83 |
+07:29:56.4 |
HIP 82104 |
20.67 |
| 2026-06-13 00:00 |
16:47:13.02 |
+07:30:12.9 |
HIP 82104 |
16.65 |
| 2026-06-13 12:00 |
16:46:54.25 |
+07:30:27.0 |
HIP 82104 |
13.05 |
| 2026-06-14 00:00 |
16:46:35.51 |
+07:30:38.5 |
HIP 82104 |
10.30 |
| 2026-06-14 12:00 |
16:46:16.82 |
+07:30:47.5 |
HIP 82104 |
9.19 |
| 2026-06-15 00:00 |
16:45:58.18 |
+07:30:54.1 |
HIP 82104 |
10.25 |
| 2026-06-15 12:00 |
16:45:39.58 |
+07:30:58.1 |
HIP 82104 |
12.93 |
| 2026-06-16 00:00 |
16:45:21.04 |
+07:30:59.7 |
HIP 82104 |
16.46 |
| 2026-06-16 12:00 |
16:45:02.56 |
+07:30:58.7 |
HIP 81944 |
16.22 |
| 2026-06-17 00:00 |
16:44:44.14 |
+07:30:55.2 |
HIP 81909 |
13.33 |
| 2026-06-17 12:00 |
16:44:25.79 |
+07:30:49.3 |
HIP 81909 |
8.79 |
| 2026-06-18 00:00 |
16:44:07.51 |
+07:30:40.8 |
HIP 81909 |
4.28 |
| 2026-06-18 12:00 |
16:43:49.30 |
+07:30:29.9 |
HIP 81909 |
0.71 |
| 2026-06-19 00:00 |
16:43:31.17 |
+07:30:16.4 |
HIP 81909 |
4.84 |
| 2026-06-19 12:00 |
16:43:13.13 |
+07:30:00.5 |
HIP 81909 |
9.30 |
| 2026-06-20 00:00 |
16:42:55.17 |
+07:29:42.0 |
HIP 81909 |
13.76 |
| 2026-06-20 12:00 |
16:42:37.30 |
+07:29:21.1 |
HIP 81909 |
18.20 |
| 2026-06-21 00:00 |
16:42:19.52 |
+07:28:57.7 |
HIP 81909 |
22.62 |
| 2026-06-21 12:00 |
16:42:01.85 |
+07:28:31.9 |
HIP 81909 |
27.02 |
| 2026-06-22 00:00 |
16:41:44.27 |
+07:28:03.6 |
HIP 81622 |
24.43 |