| Parameter |
Value |
| Designation |
P/2019 T6 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2019-11-07T18:13:43.798080Z |
| Orbit solution date (soln_date, UTC) |
2021-05-31T22:43:04Z |
| Obs used |
229 |
| NEO |
- |
| M1 |
17.200 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2019-10-08T11:16:09.120000Z |
| Discovery magnitude (MPC) |
19.60 i |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2019-11-12.0000000 |
| e |
0.62222327 |
| q (au) |
2.051927 |
| a (au) |
5.431587 |
| i (deg) |
18.697018 |
| Ω (om, deg) |
71.310948 |
| ω (w, deg) |
328.909725 |
| M (ma, deg) |
0.330162 |
Magnitude
Scatter + Global Linear
$$
M_a = (16.257 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
16.257 |
| 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
Ephemeris
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
14:43:06.45 |
-05:20:15.7 |
HIP 71903 |
18.24 |
| 2026-06-01 12:00 |
14:42:56.46 |
-05:20:00.9 |
HIP 71903 |
16.76 |
| 2026-06-02 00:00 |
14:42:46.53 |
-05:19:46.7 |
HIP 71903 |
15.56 |
| 2026-06-02 12:00 |
14:42:36.67 |
-05:19:33.1 |
HIP 71903 |
14.69 |
| 2026-06-03 00:00 |
14:42:26.87 |
-05:19:20.0 |
HIP 71903 |
14.21 |
| 2026-06-03 12:00 |
14:42:17.14 |
-05:19:07.4 |
HIP 71903 |
14.15 |
| 2026-06-04 00:00 |
14:42:07.48 |
-05:18:55.5 |
HIP 71903 |
14.51 |
| 2026-06-04 12:00 |
14:41:57.89 |
-05:18:44.1 |
HIP 71903 |
15.25 |
| 2026-06-05 00:00 |
14:41:48.37 |
-05:18:33.3 |
HIP 71903 |
16.31 |
| 2026-06-05 12:00 |
14:41:38.92 |
-05:18:23.0 |
HIP 71903 |
17.62 |
| 2026-06-06 00:00 |
14:41:29.54 |
-05:18:13.3 |
HIP 71903 |
19.13 |
| 2026-06-06 12:00 |
14:41:20.24 |
-05:18:04.2 |
HIP 71903 |
20.78 |
| 2026-06-07 00:00 |
14:41:11.01 |
-05:17:55.7 |
HIP 71803 |
21.30 |
| 2026-06-07 12:00 |
14:41:01.85 |
-05:17:47.7 |
HIP 71803 |
21.42 |
| 2026-06-08 00:00 |
14:40:52.77 |
-05:17:40.4 |
HIP 71803 |
21.80 |
| 2026-06-08 12:00 |
14:40:43.77 |
-05:17:33.6 |
HIP 71803 |
22.39 |
| 2026-06-09 00:00 |
14:40:34.84 |
-05:17:27.4 |
HIP 71803 |
23.19 |
| 2026-06-09 12:00 |
14:40:25.99 |
-05:17:21.8 |
HIP 71803 |
24.17 |
| 2026-06-10 00:00 |
14:40:17.23 |
-05:17:16.7 |
HIP 71803 |
25.30 |
| 2026-06-10 12:00 |
14:40:08.54 |
-05:17:12.3 |
HIP 71803 |
26.56 |
| 2026-06-11 00:00 |
14:39:59.93 |
-05:17:08.4 |
HIP 71803 |
27.92 |
| 2026-06-11 12:00 |
14:39:51.40 |
-05:17:05.2 |
HIP 71803 |
29.37 |
| 2026-06-12 00:00 |
14:39:42.96 |
-05:17:02.5 |
HIP 71803 |
30.88 |
| 2026-06-12 12:00 |
14:39:34.60 |
-05:17:00.5 |
HIP 71535 |
29.89 |
| 2026-06-13 00:00 |
14:39:26.33 |
-05:16:59.0 |
HIP 71535 |
28.18 |
| 2026-06-13 12:00 |
14:39:18.14 |
-05:16:58.2 |
HIP 71535 |
26.53 |
| 2026-06-14 00:00 |
14:39:10.03 |
-05:16:57.9 |
HIP 71535 |
24.95 |
| 2026-06-14 12:00 |
14:39:02.02 |
-05:16:58.3 |
HIP 71535 |
23.45 |
| 2026-06-15 00:00 |
14:38:54.09 |
-05:16:59.2 |
HIP 71535 |
22.03 |
| 2026-06-15 12:00 |
14:38:46.25 |
-05:17:00.8 |
HIP 71535 |
20.71 |
| 2026-06-16 00:00 |
14:38:38.49 |
-05:17:02.9 |
HIP 71535 |
19.50 |
| 2026-06-16 12:00 |
14:38:30.83 |
-05:17:05.7 |
HIP 71535 |
18.42 |
| 2026-06-17 00:00 |
14:38:23.26 |
-05:17:09.1 |
HIP 71535 |
17.48 |
| 2026-06-17 12:00 |
14:38:15.78 |
-05:17:13.0 |
HIP 71535 |
16.70 |
| 2026-06-18 00:00 |
14:38:08.39 |
-05:17:17.6 |
HIP 71535 |
16.09 |
| 2026-06-18 12:00 |
14:38:01.10 |
-05:17:22.8 |
HIP 71535 |
15.67 |
| 2026-06-19 00:00 |
14:37:53.89 |
-05:17:28.6 |
HIP 71535 |
15.44 |
| 2026-06-19 12:00 |
14:37:46.78 |
-05:17:35.0 |
HIP 71535 |
15.41 |
| 2026-06-20 00:00 |
14:37:39.77 |
-05:17:42.0 |
HIP 71535 |
15.57 |
| 2026-06-20 12:00 |
14:37:32.85 |
-05:17:49.6 |
HIP 71535 |
15.90 |
| 2026-06-21 00:00 |
14:37:26.03 |
-05:17:57.8 |
HIP 71535 |
16.39 |
| 2026-06-21 12:00 |
14:37:19.30 |
-05:18:06.6 |
HIP 71535 |
17.01 |
| 2026-06-22 00:00 |
14:37:12.67 |
-05:18:16.0 |
HIP 71535 |
17.75 |