| Parameter |
Value |
| Designation |
P/2014 C1 (TOTAS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-12-22T14:38:36.977280Z |
| Orbit solution date (soln_date, UTC) |
2024-04-15T15:43:28Z |
| Obs used |
56 |
| NEO |
- |
| M1 |
11.500 |
| K1 |
26.250 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2014-02-20.0000000 |
| e |
0.48238458 |
| q (au) |
1.707632 |
| a (au) |
3.299036 |
| i (deg) |
2.693313 |
| Ω (om, deg) |
168.484412 |
| ω (w, deg) |
25.769502 |
| M (ma, deg) |
9.768677 |
Magnitude
Scatter + Global Linear
$$
M_a = (13.524 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
13.524 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.872 |
| 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) |
| 2026-05-12 00:00 |
05:57:33.89 |
+25:45:41.4 |
HIP 28237 |
12.92 |
| 2026-05-12 12:00 |
05:58:02.48 |
+25:45:39.0 |
HIP 28301 |
11.40 |
| 2026-05-13 00:00 |
05:58:31.15 |
+25:45:36.3 |
HIP 28301 |
5.01 |
| 2026-05-13 12:00 |
05:58:59.90 |
+25:45:33.4 |
HIP 28301 |
1.90 |
| 2026-05-14 00:00 |
05:59:28.75 |
+25:45:30.2 |
HIP 28301 |
8.14 |
| 2026-05-14 12:00 |
05:59:57.68 |
+25:45:26.7 |
HIP 28301 |
14.63 |
| 2026-05-15 00:00 |
06:00:26.69 |
+25:45:23.0 |
HIP 28301 |
21.15 |
| 2026-05-15 12:00 |
06:00:55.79 |
+25:45:19.0 |
HIP 28548 |
18.29 |
| 2026-05-16 00:00 |
06:01:24.97 |
+25:45:14.7 |
HIP 28548 |
16.11 |
| 2026-05-16 12:00 |
06:01:54.23 |
+25:45:10.2 |
HIP 28640 |
15.32 |
| 2026-05-17 00:00 |
06:02:23.58 |
+25:45:05.4 |
HIP 28640 |
10.31 |
| 2026-05-17 12:00 |
06:02:53.00 |
+25:45:00.3 |
HIP 28640 |
8.07 |
| 2026-05-18 00:00 |
06:03:22.51 |
+25:44:54.9 |
HIP 28640 |
10.58 |
| 2026-05-18 12:00 |
06:03:52.09 |
+25:44:49.2 |
HIP 28640 |
15.73 |
| 2026-05-19 00:00 |
06:04:21.75 |
+25:44:43.3 |
HIP 28742 |
18.21 |
| 2026-05-19 12:00 |
06:04:51.48 |
+25:44:37.0 |
HIP 28742 |
20.05 |
| 2026-05-20 00:00 |
06:05:21.29 |
+25:44:30.5 |
HIP 28742 |
23.72 |
| 2026-05-20 12:00 |
06:05:51.18 |
+25:44:23.7 |
HIP 28742 |
28.54 |
| 2026-05-21 00:00 |
06:06:21.14 |
+25:44:16.6 |
HIP 29075 |
27.86 |
| 2026-05-21 12:00 |
06:06:51.17 |
+25:44:09.2 |
HIP 29075 |
22.76 |
| 2026-05-22 00:00 |
06:07:21.27 |
+25:44:01.5 |
HIP 29075 |
18.73 |
| 2026-05-22 12:00 |
06:07:51.44 |
+25:43:53.5 |
HIP 29123 |
16.37 |
| 2026-05-23 00:00 |
06:08:21.68 |
+25:43:45.1 |
HIP 29123 |
14.33 |
| 2026-05-23 12:00 |
06:08:52.00 |
+25:43:36.5 |
HIP 29158 |
13.05 |
| 2026-05-24 00:00 |
06:09:22.38 |
+25:43:27.6 |
HIP 29158 |
13.48 |
| 2026-05-24 12:00 |
06:09:52.82 |
+25:43:18.3 |
HIP 29158 |
16.94 |
| 2026-05-25 00:00 |
06:10:23.34 |
+25:43:08.8 |
HIP 29338 |
13.01 |
| 2026-05-25 12:00 |
06:10:53.91 |
+25:42:58.9 |
HIP 29338 |
8.92 |
| 2026-05-26 00:00 |
06:11:24.56 |
+25:42:48.7 |
HIP 29338 |
9.21 |
| 2026-05-26 12:00 |
06:11:55.27 |
+25:42:38.2 |
HIP 29454 |
12.71 |
| 2026-05-27 00:00 |
06:12:26.04 |
+25:42:27.3 |
HIP 29454 |
11.06 |
| 2026-05-27 12:00 |
06:12:56.87 |
+25:42:16.2 |
HIP 29454 |
13.40 |
| 2026-05-28 00:00 |
06:13:27.77 |
+25:42:04.7 |
HIP 29454 |
18.27 |
| 2026-05-28 12:00 |
06:13:58.72 |
+25:41:52.9 |
HIP 29680 |
21.11 |
| 2026-05-29 00:00 |
06:14:29.74 |
+25:41:40.7 |
HIP 29680 |
16.36 |
| 2026-05-29 12:00 |
06:15:00.82 |
+25:41:28.2 |
HIP 29680 |
13.69 |
| 2026-05-30 00:00 |
06:15:31.95 |
+25:41:15.4 |
HIP 29680 |
14.33 |
| 2026-05-30 12:00 |
06:16:03.15 |
+25:41:02.3 |
HIP 29833 |
16.29 |
| 2026-05-31 00:00 |
06:16:34.40 |
+25:40:48.8 |
HIP 29833 |
12.03 |
| 2026-05-31 12:00 |
06:17:05.71 |
+25:40:35.0 |
HIP 29833 |
11.11 |
| 2026-06-01 00:00 |
06:17:37.07 |
+25:40:20.8 |
HIP 29833 |
14.21 |
| 2026-06-01 12:00 |
06:18:08.49 |
+25:40:06.3 |
HIP 29967 |
14.43 |
| 2026-06-02 00:00 |
06:18:39.97 |
+25:39:51.4 |
HIP 29967 |
14.04 |