| Parameter |
Value |
| Designation |
P/2010 T2 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2011-07-09T19:48:58.587840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:46Z |
| Obs used |
33 |
| NEO |
- |
| M1 |
7.300 |
| K1 |
17.500 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2010-11-12.0000000 |
| e |
0.32322085 |
| q (au) |
3.753596 |
| a (au) |
5.546265 |
| i (deg) |
8.010784 |
| Ω (om, deg) |
59.649297 |
| ω (w, deg) |
355.941770 |
| M (ma, deg) |
341.903321 |
Magnitude
Scatter + Global Linear
$$
M_a = (7.674 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
7.674 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.500 |
| 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) |
| 2026-09-20 00:00 |
10:53:04.68 |
+14:19:06.0 |
HIP 53202 |
25.47 |
| 2026-09-20 12:00 |
10:53:28.10 |
+14:16:53.3 |
HIP 53202 |
28.81 |
| 2026-09-21 00:00 |
10:53:51.50 |
+14:14:40.9 |
HIP 53265 |
31.96 |
| 2026-09-21 12:00 |
10:54:14.85 |
+14:12:28.8 |
HIP 53265 |
30.93 |
| 2026-09-22 00:00 |
10:54:38.17 |
+14:10:17.1 |
HIP 53265 |
31.09 |
| 2026-09-22 12:00 |
10:55:01.44 |
+14:08:05.7 |
HIP 53265 |
32.40 |
| 2026-09-23 00:00 |
10:55:24.68 |
+14:05:54.6 |
HIP 53265 |
34.73 |
| 2026-09-23 12:00 |
10:55:47.88 |
+14:03:43.9 |
HIP 53505 |
33.17 |
| 2026-09-24 00:00 |
10:56:11.04 |
+14:01:33.5 |
HIP 53505 |
29.18 |
| 2026-09-24 12:00 |
10:56:34.16 |
+13:59:23.4 |
HIP 53505 |
25.98 |
| 2026-09-25 00:00 |
10:56:57.23 |
+13:57:13.7 |
HIP 53505 |
23.90 |
| 2026-09-25 12:00 |
10:57:20.27 |
+13:55:04.3 |
HIP 53505 |
23.24 |
| 2026-09-26 00:00 |
10:57:43.26 |
+13:52:55.3 |
HIP 53505 |
24.09 |
| 2026-09-26 12:00 |
10:58:06.21 |
+13:50:46.6 |
HIP 53505 |
26.31 |
| 2026-09-27 00:00 |
10:58:29.12 |
+13:48:38.4 |
HIP 53505 |
29.59 |
| 2026-09-27 12:00 |
10:58:51.99 |
+13:46:30.4 |
HIP 53632 |
30.59 |
| 2026-09-28 00:00 |
10:59:14.81 |
+13:44:22.9 |
HIP 53632 |
30.59 |
| 2026-09-28 12:00 |
10:59:37.58 |
+13:42:15.7 |
HIP 53632 |
31.72 |
| 2026-09-29 00:00 |
11:00:00.32 |
+13:40:08.9 |
HIP 53929 |
30.75 |
| 2026-09-29 12:00 |
11:00:23.00 |
+13:38:02.5 |
HIP 53929 |
25.45 |
| 2026-09-30 00:00 |
11:00:45.64 |
+13:35:56.4 |
HIP 53929 |
20.50 |
| 2026-09-30 12:00 |
11:01:08.24 |
+13:33:50.8 |
HIP 53929 |
16.18 |
| 2026-10-01 00:00 |
11:01:30.78 |
+13:31:45.6 |
HIP 53929 |
13.14 |
| 2026-10-01 12:00 |
11:01:53.28 |
+13:29:40.7 |
HIP 53929 |
12.34 |
| 2026-10-02 00:00 |
11:02:15.73 |
+13:27:36.3 |
HIP 53929 |
14.14 |
| 2026-10-02 12:00 |
11:02:38.14 |
+13:25:32.3 |
HIP 53929 |
17.76 |
| 2026-10-03 00:00 |
11:03:00.49 |
+13:23:28.6 |
HIP 54034 |
14.32 |
| 2026-10-03 12:00 |
11:03:22.79 |
+13:21:25.5 |
HIP 54034 |
11.53 |
| 2026-10-04 00:00 |
11:03:45.04 |
+13:19:22.7 |
HIP 54034 |
11.33 |
| 2026-10-04 12:00 |
11:04:07.25 |
+13:17:20.4 |
HIP 54034 |
13.80 |
| 2026-10-05 00:00 |
11:04:29.40 |
+13:15:18.5 |
HIP 54034 |
17.86 |
| 2026-10-05 12:00 |
11:04:51.49 |
+13:13:17.0 |
HIP 54034 |
22.66 |
| 2026-10-06 00:00 |
11:05:13.54 |
+13:11:16.0 |
HIP 54034 |
27.80 |
| 2026-10-06 12:00 |
11:05:35.53 |
+13:09:15.5 |
HIP 54370 |
28.30 |
| 2026-10-07 00:00 |
11:05:57.46 |
+13:07:15.4 |
HIP 54370 |
22.61 |
| 2026-10-07 12:00 |
11:06:19.34 |
+13:05:15.7 |
HIP 54370 |
16.94 |
| 2026-10-08 00:00 |
11:06:41.17 |
+13:03:16.6 |
HIP 54370 |
11.30 |
| 2026-10-08 12:00 |
11:07:02.93 |
+13:01:17.9 |
HIP 54370 |
5.75 |
| 2026-10-09 00:00 |
11:07:24.64 |
+12:59:19.7 |
HIP 54370 |
1.54 |
| 2026-10-09 12:00 |
11:07:46.29 |
+12:57:22.0 |
HIP 54370 |
5.94 |
| 2026-10-10 00:00 |
11:08:07.89 |
+12:55:24.8 |
HIP 54370 |
11.45 |
| 2026-10-10 12:00 |
11:08:29.42 |
+12:53:28.1 |
HIP 54370 |
17.01 |
| 2026-10-11 00:00 |
11:08:50.89 |
+12:51:31.8 |
HIP 54370 |
22.57 |