| 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
Finding Chart
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
16:47:05.18 |
-00:56:02.1 |
HIP 82169 |
15.58 |
| 2026-09-20 12:00 |
16:47:28.64 |
-00:59:34.6 |
HIP 82169 |
12.04 |
| 2026-09-21 00:00 |
16:47:52.32 |
-01:03:06.7 |
HIP 82169 |
11.93 |
| 2026-09-21 12:00 |
16:48:16.20 |
-01:06:38.4 |
HIP 82169 |
15.37 |
| 2026-09-22 00:00 |
16:48:40.29 |
-01:10:09.7 |
HIP 82169 |
20.70 |
| 2026-09-22 12:00 |
16:49:04.58 |
-01:13:40.6 |
HIP 82169 |
26.85 |
| 2026-09-23 00:00 |
16:49:29.08 |
-01:17:11.0 |
HIP 82169 |
33.39 |
| 2026-09-23 12:00 |
16:49:53.78 |
-01:20:40.9 |
HIP 82274 |
36.44 |
| 2026-09-24 00:00 |
16:50:18.69 |
-01:24:10.4 |
HIP 82274 |
37.25 |
| 2026-09-24 12:00 |
16:50:43.79 |
-01:27:39.5 |
HIP 82487 |
31.45 |
| 2026-09-25 00:00 |
16:51:09.10 |
-01:31:08.0 |
HIP 82487 |
26.23 |
| 2026-09-25 12:00 |
16:51:34.61 |
-01:34:36.1 |
HIP 82487 |
22.17 |
| 2026-09-26 00:00 |
16:52:00.31 |
-01:38:03.6 |
HIP 82487 |
20.03 |
| 2026-09-26 12:00 |
16:52:26.22 |
-01:41:30.7 |
HIP 82487 |
20.46 |
| 2026-09-27 00:00 |
16:52:52.32 |
-01:44:57.3 |
HIP 82693 |
21.22 |
| 2026-09-27 12:00 |
16:53:18.62 |
-01:48:23.3 |
HIP 82693 |
17.46 |
| 2026-09-28 00:00 |
16:53:45.11 |
-01:51:48.8 |
HIP 82693 |
16.38 |
| 2026-09-28 12:00 |
16:54:11.80 |
-01:55:13.8 |
HIP 82693 |
18.51 |
| 2026-09-29 00:00 |
16:54:38.68 |
-01:58:38.2 |
HIP 82693 |
23.01 |
| 2026-09-29 12:00 |
16:55:05.76 |
-02:02:02.0 |
HIP 82831 |
26.27 |
| 2026-09-30 00:00 |
16:55:33.03 |
-02:05:25.3 |
HIP 82935 |
20.31 |
| 2026-09-30 12:00 |
16:56:00.49 |
-02:08:48.1 |
HIP 82935 |
14.53 |
| 2026-10-01 00:00 |
16:56:28.14 |
-02:12:10.2 |
HIP 82935 |
11.24 |
| 2026-10-01 12:00 |
16:56:55.98 |
-02:15:31.8 |
HIP 82935 |
12.62 |
| 2026-10-02 00:00 |
16:57:24.01 |
-02:18:52.8 |
HIP 82935 |
17.66 |
| 2026-10-02 12:00 |
16:57:52.23 |
-02:22:13.1 |
HIP 82935 |
24.21 |
| 2026-10-03 00:00 |
16:58:20.64 |
-02:25:32.9 |
HIP 82935 |
31.37 |
| 2026-10-03 12:00 |
16:58:49.24 |
-02:28:52.0 |
HIP 82999 |
36.68 |
| 2026-10-04 00:00 |
16:59:18.02 |
-02:32:10.5 |
HIP 82999 |
38.08 |
| 2026-10-04 12:00 |
16:59:46.99 |
-02:35:28.4 |
HIP 83351 |
38.35 |
| 2026-10-05 00:00 |
17:00:16.15 |
-02:38:45.6 |
HIP 83351 |
33.91 |
| 2026-10-05 12:00 |
17:00:45.49 |
-02:42:02.2 |
HIP 83351 |
30.89 |
| 2026-10-06 00:00 |
17:01:15.02 |
-02:45:18.1 |
HIP 83351 |
29.75 |
| 2026-10-06 12:00 |
17:01:44.73 |
-02:48:33.3 |
HIP 83351 |
30.75 |
| 2026-10-07 00:00 |
17:02:14.62 |
-02:51:47.8 |
HIP 83510 |
31.45 |
| 2026-10-07 12:00 |
17:02:44.69 |
-02:55:01.6 |
HIP 83510 |
27.65 |
| 2026-10-08 00:00 |
17:03:14.95 |
-02:58:14.8 |
HIP 83510 |
25.93 |
| 2026-10-08 12:00 |
17:03:45.38 |
-03:01:27.2 |
HIP 83510 |
26.71 |
| 2026-10-09 00:00 |
17:04:16.00 |
-03:04:38.9 |
HIP 83510 |
29.85 |
| 2026-10-09 12:00 |
17:04:46.79 |
-03:07:49.8 |
HIP 83510 |
34.72 |
| 2026-10-10 00:00 |
17:05:17.76 |
-03:11:00.0 |
HIP 83770 |
34.76 |
| 2026-10-10 12:00 |
17:05:48.91 |
-03:14:09.5 |
HIP 83770 |
30.75 |
| 2026-10-11 00:00 |
17:06:20.24 |
-03:17:18.2 |
HIP 83770 |
28.68 |