C/2010 F3 (Scotti)
| Parameter |
Value |
| Designation |
C/2010 F3 (Scotti) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-08-04T12:52:37.418880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:41Z |
| Obs used |
135 |
| NEO |
- |
| M1 |
13.200 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2010-07-07.0000000 |
| e |
0.91326388 |
| q (au) |
5.446686 |
| a (au) |
62.796057 |
| i (deg) |
4.647569 |
| Ω (om, deg) |
157.410153 |
| ω (w, deg) |
31.256514 |
| M (ma, deg) |
359.943479 |
Magnitude
Scatter + Global Linear
$$
M_a = (11.844 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
11.844 |
| n |
2.000 |
| gf |
0.901 |
| gb |
-1.000 |
| k |
1.000 |
| δ90 |
9.053 |
| 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) |
| 2026-02-03 00:00 |
21:36:26.68 |
-13:02:00.8 |
HIP 106698 |
25.86 |
| 2026-02-03 12:00 |
21:36:31.08 |
-13:01:39.7 |
HIP 106698 |
26.07 |
| 2026-02-04 00:00 |
21:36:35.49 |
-13:01:18.5 |
HIP 106698 |
26.32 |
| 2026-02-04 12:00 |
21:36:39.90 |
-13:00:57.3 |
HIP 106698 |
26.61 |
| 2026-02-05 00:00 |
21:36:44.31 |
-13:00:36.0 |
HIP 106698 |
26.96 |
| 2026-02-05 12:00 |
21:36:48.72 |
-13:00:14.8 |
HIP 106698 |
27.34 |
| 2026-02-06 00:00 |
21:36:53.14 |
-12:59:53.5 |
HIP 106698 |
27.77 |
| 2026-02-06 12:00 |
21:36:57.56 |
-12:59:32.1 |
HIP 106698 |
28.23 |
| 2026-02-07 00:00 |
21:37:01.98 |
-12:59:10.8 |
HIP 106698 |
28.74 |
| 2026-02-07 12:00 |
21:37:06.40 |
-12:58:49.4 |
HIP 106698 |
29.28 |
| 2026-02-08 00:00 |
21:37:10.82 |
-12:58:28.0 |
HIP 106698 |
29.85 |
| 2026-02-08 12:00 |
21:37:15.25 |
-12:58:06.6 |
HIP 106698 |
30.45 |
| 2026-02-09 00:00 |
21:37:19.67 |
-12:57:45.1 |
HIP 106698 |
31.09 |
| 2026-02-09 12:00 |
21:37:24.10 |
-12:57:23.6 |
HIP 106698 |
31.75 |
| 2026-02-10 00:00 |
21:37:28.52 |
-12:57:02.2 |
HIP 106698 |
32.44 |
| 2026-02-10 12:00 |
21:37:32.95 |
-12:56:40.6 |
HIP 106698 |
33.15 |
| 2026-02-11 00:00 |
21:37:37.38 |
-12:56:19.1 |
HIP 106698 |
33.89 |
| 2026-02-11 12:00 |
21:37:41.80 |
-12:55:57.6 |
HIP 106951 |
34.15 |
| 2026-02-12 00:00 |
21:37:46.23 |
-12:55:36.0 |
HIP 106951 |
33.05 |
| 2026-02-12 12:00 |
21:37:50.65 |
-12:55:14.5 |
HIP 106951 |
31.95 |
| 2026-02-13 00:00 |
21:37:55.07 |
-12:54:52.9 |
HIP 106951 |
30.86 |
| 2026-02-13 12:00 |
21:37:59.49 |
-12:54:31.3 |
HIP 106951 |
29.77 |
| 2026-02-14 00:00 |
21:38:03.91 |
-12:54:09.7 |
HIP 106951 |
28.68 |
| 2026-02-14 12:00 |
21:38:08.32 |
-12:53:48.1 |
HIP 106951 |
27.60 |
| 2026-02-15 00:00 |
21:38:12.74 |
-12:53:26.5 |
HIP 106951 |
26.53 |
| 2026-02-15 12:00 |
21:38:17.15 |
-12:53:04.9 |
HIP 106951 |
25.46 |
| 2026-02-16 00:00 |
21:38:21.56 |
-12:52:43.3 |
HIP 106951 |
24.39 |
| 2026-02-16 12:00 |
21:38:25.96 |
-12:52:21.7 |
HIP 106951 |
23.34 |
| 2026-02-17 00:00 |
21:38:30.36 |
-12:52:00.1 |
HIP 106951 |
22.29 |
| 2026-02-17 12:00 |
21:38:34.76 |
-12:51:38.5 |
HIP 106951 |
21.25 |
| 2026-02-18 00:00 |
21:38:39.15 |
-12:51:16.9 |
HIP 106951 |
20.22 |
| 2026-02-18 12:00 |
21:38:43.54 |
-12:50:55.3 |
HIP 106951 |
19.20 |
| 2026-02-19 00:00 |
21:38:47.92 |
-12:50:33.7 |
HIP 106951 |
18.20 |
| 2026-02-19 12:00 |
21:38:52.30 |
-12:50:12.2 |
HIP 106951 |
17.21 |
| 2026-02-20 00:00 |
21:38:56.67 |
-12:49:50.6 |
HIP 106951 |
16.24 |
| 2026-02-20 12:00 |
21:39:01.04 |
-12:49:29.0 |
HIP 106951 |
15.30 |
| 2026-02-21 00:00 |
21:39:05.40 |
-12:49:07.5 |
HIP 106951 |
14.38 |
| 2026-02-21 12:00 |
21:39:09.75 |
-12:48:46.0 |
HIP 106951 |
13.50 |
| 2026-02-22 00:00 |
21:39:14.10 |
-12:48:24.5 |
HIP 106951 |
12.65 |
| 2026-02-22 12:00 |
21:39:18.44 |
-12:48:03.0 |
HIP 106951 |
11.85 |
| 2026-02-23 00:00 |
21:39:22.78 |
-12:47:41.5 |
HIP 106951 |
11.10 |
| 2026-02-23 12:00 |
21:39:27.11 |
-12:47:20.0 |
HIP 106951 |
10.42 |
| 2026-02-24 00:00 |
21:39:31.43 |
-12:46:58.6 |
HIP 106951 |
9.82 |