| Parameter |
Value |
| Designation |
241P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-07-17T08:34:46.513920Z |
| Orbit solution date (soln_date, UTC) |
2022-05-06T00:43:04Z |
| Obs used |
874 |
| NEO |
- |
| M1 |
14.300 |
| K1 |
7.250 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2015-01-18.0000000 |
| e |
0.60991749 |
| q (au) |
1.932371 |
| a (au) |
4.953749 |
| i (deg) |
20.868312 |
| Ω (om, deg) |
305.806635 |
| ω (w, deg) |
110.525675 |
| M (ma, deg) |
147.108792 |
Magnitude
Scatter + Global Linear
$$
M_a = (12.777 + 3.761\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
12.777 |
| n |
3.761 |
| gf |
1.000 |
| gb |
-0.932 |
| 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) |
| 2026-07-29 00:00 |
14:23:55.71 |
-36:17:10.0 |
HIP 70242 |
21.55 |
| 2026-07-29 12:00 |
14:23:59.16 |
-36:15:56.8 |
HIP 70242 |
21.71 |
| 2026-07-30 00:00 |
14:24:02.74 |
-36:14:44.3 |
HIP 70242 |
21.99 |
| 2026-07-30 12:00 |
14:24:06.47 |
-36:13:32.5 |
HIP 70242 |
22.38 |
| 2026-07-31 00:00 |
14:24:10.33 |
-36:12:21.5 |
HIP 70242 |
22.89 |
| 2026-07-31 12:00 |
14:24:14.34 |
-36:11:11.1 |
HIP 70242 |
23.50 |
| 2026-08-01 00:00 |
14:24:18.48 |
-36:10:01.3 |
HIP 70242 |
24.21 |
| 2026-08-01 12:00 |
14:24:22.76 |
-36:08:52.3 |
HIP 70242 |
25.00 |
| 2026-08-02 00:00 |
14:24:27.18 |
-36:07:44.0 |
HIP 70242 |
25.89 |
| 2026-08-02 12:00 |
14:24:31.74 |
-36:06:36.4 |
HIP 70242 |
26.85 |
| 2026-08-03 00:00 |
14:24:36.43 |
-36:05:29.6 |
HIP 70242 |
27.87 |
| 2026-08-03 12:00 |
14:24:41.27 |
-36:04:23.4 |
HIP 70242 |
28.97 |
| 2026-08-04 00:00 |
14:24:46.23 |
-36:03:17.9 |
HIP 70242 |
30.12 |
| 2026-08-04 12:00 |
14:24:51.34 |
-36:02:13.2 |
HIP 70242 |
31.32 |
| 2026-08-05 00:00 |
14:24:56.58 |
-36:01:09.1 |
HIP 70242 |
32.57 |
| 2026-08-05 12:00 |
14:25:01.95 |
-36:00:05.8 |
HIP 70380 |
32.96 |
| 2026-08-06 00:00 |
14:25:07.46 |
-35:59:03.3 |
HIP 70380 |
32.47 |
| 2026-08-06 12:00 |
14:25:13.10 |
-35:58:01.4 |
HIP 70380 |
32.08 |
| 2026-08-07 00:00 |
14:25:18.88 |
-35:57:00.3 |
HIP 70380 |
31.78 |
| 2026-08-07 12:00 |
14:25:24.79 |
-35:55:59.9 |
HIP 70380 |
31.58 |
| 2026-08-08 00:00 |
14:25:30.83 |
-35:55:00.2 |
HIP 70380 |
31.48 |
| 2026-08-08 12:00 |
14:25:37.01 |
-35:54:01.3 |
HIP 70380 |
31.49 |
| 2026-08-09 00:00 |
14:25:43.31 |
-35:53:03.1 |
HIP 70380 |
31.60 |
| 2026-08-09 12:00 |
14:25:49.75 |
-35:52:05.7 |
HIP 70380 |
31.83 |
| 2026-08-10 00:00 |
14:25:56.32 |
-35:51:09.0 |
HIP 70693 |
31.06 |
| 2026-08-10 12:00 |
14:26:03.02 |
-35:50:13.1 |
HIP 70693 |
29.49 |
| 2026-08-11 00:00 |
14:26:09.85 |
-35:49:17.9 |
HIP 70693 |
27.92 |
| 2026-08-11 12:00 |
14:26:16.80 |
-35:48:23.4 |
HIP 70693 |
26.36 |
| 2026-08-12 00:00 |
14:26:23.89 |
-35:47:29.8 |
HIP 70693 |
24.81 |
| 2026-08-12 12:00 |
14:26:31.11 |
-35:46:36.8 |
HIP 70693 |
23.28 |
| 2026-08-13 00:00 |
14:26:38.45 |
-35:45:44.6 |
HIP 70693 |
21.77 |
| 2026-08-13 12:00 |
14:26:45.92 |
-35:44:53.2 |
HIP 70693 |
20.29 |
| 2026-08-14 00:00 |
14:26:53.51 |
-35:44:02.6 |
HIP 70693 |
18.86 |
| 2026-08-14 12:00 |
14:27:01.24 |
-35:43:12.6 |
HIP 70693 |
17.50 |
| 2026-08-15 00:00 |
14:27:09.08 |
-35:42:23.5 |
HIP 70693 |
16.22 |
| 2026-08-15 12:00 |
14:27:17.05 |
-35:41:35.1 |
HIP 70693 |
15.05 |
| 2026-08-16 00:00 |
14:27:25.15 |
-35:40:47.5 |
HIP 70693 |
14.02 |
| 2026-08-16 12:00 |
14:27:33.36 |
-35:40:00.6 |
HIP 70693 |
13.19 |
| 2026-08-17 00:00 |
14:27:41.70 |
-35:39:14.5 |
HIP 70693 |
12.59 |
| 2026-08-17 12:00 |
14:27:50.16 |
-35:38:29.2 |
HIP 70693 |
12.27 |
| 2026-08-18 00:00 |
14:27:58.75 |
-35:37:44.6 |
HIP 70693 |
12.25 |
| 2026-08-18 12:00 |
14:28:07.45 |
-35:37:00.8 |
HIP 70693 |
12.55 |
| 2026-08-19 00:00 |
14:28:16.27 |
-35:36:17.7 |
HIP 70693 |
13.15 |