| Parameter |
Value |
| Designation |
C/2001 RX14 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-01-18T16:52:12.123840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:11Z |
| Obs used |
3261 |
| NEO |
- |
| M1 |
9.700 |
| K1 |
6.500 |
| PC |
0.030 |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
2002-12-31.0000000 |
| e |
1.00160630 |
| q (au) |
2.057562 |
| a (au) |
-1280.933457 |
| i (deg) |
30.574145 |
| Ω (om, deg) |
14.169847 |
| ω (w, deg) |
121.485659 |
| M (ma, deg) |
-0.000402 |
Magnitude
Scatter + Global Linear
$$
M_a = (7.044 + 3.284\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
7.044 |
| n |
3.284 |
| gf |
0.998 |
| gb |
-0.598 |
| k |
0.998 |
| δ90 |
9.993 |
| 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 |
20:09:29.61 |
-51:48:46.8 |
HIP 99344 |
6.38 |
| 2026-06-01 12:00 |
20:09:27.07 |
-51:49:07.2 |
HIP 99344 |
6.87 |
| 2026-06-02 00:00 |
20:09:24.49 |
-51:49:27.5 |
HIP 99344 |
7.36 |
| 2026-06-02 12:00 |
20:09:21.89 |
-51:49:47.7 |
HIP 99344 |
7.85 |
| 2026-06-03 00:00 |
20:09:19.27 |
-51:50:07.9 |
HIP 99344 |
8.35 |
| 2026-06-03 12:00 |
20:09:16.61 |
-51:50:28.0 |
HIP 99344 |
8.86 |
| 2026-06-04 00:00 |
20:09:13.93 |
-51:50:48.0 |
HIP 99344 |
9.36 |
| 2026-06-04 12:00 |
20:09:11.21 |
-51:51:07.9 |
HIP 99344 |
9.88 |
| 2026-06-05 00:00 |
20:09:08.48 |
-51:51:27.7 |
HIP 99344 |
10.39 |
| 2026-06-05 12:00 |
20:09:05.71 |
-51:51:47.5 |
HIP 99344 |
10.91 |
| 2026-06-06 00:00 |
20:09:02.92 |
-51:52:07.2 |
HIP 99344 |
11.44 |
| 2026-06-06 12:00 |
20:09:00.10 |
-51:52:26.8 |
HIP 99344 |
11.96 |
| 2026-06-07 00:00 |
20:08:57.25 |
-51:52:46.3 |
HIP 99344 |
12.49 |
| 2026-06-07 12:00 |
20:08:54.38 |
-51:53:05.7 |
HIP 99344 |
13.02 |
| 2026-06-08 00:00 |
20:08:51.48 |
-51:53:25.0 |
HIP 99344 |
13.56 |
| 2026-06-08 12:00 |
20:08:48.56 |
-51:53:44.3 |
HIP 99344 |
14.09 |
| 2026-06-09 00:00 |
20:08:45.61 |
-51:54:03.4 |
HIP 99344 |
14.63 |
| 2026-06-09 12:00 |
20:08:42.63 |
-51:54:22.5 |
HIP 99344 |
15.18 |
| 2026-06-10 00:00 |
20:08:39.63 |
-51:54:41.5 |
HIP 99344 |
15.72 |
| 2026-06-10 12:00 |
20:08:36.61 |
-51:55:00.3 |
HIP 99344 |
16.27 |
| 2026-06-11 00:00 |
20:08:33.56 |
-51:55:19.1 |
HIP 99344 |
16.82 |
| 2026-06-11 12:00 |
20:08:30.48 |
-51:55:37.8 |
HIP 99344 |
17.37 |
| 2026-06-12 00:00 |
20:08:27.38 |
-51:55:56.3 |
HIP 99344 |
17.93 |
| 2026-06-12 12:00 |
20:08:24.26 |
-51:56:14.8 |
HIP 99344 |
18.48 |
| 2026-06-13 00:00 |
20:08:21.11 |
-51:56:33.1 |
HIP 99344 |
19.04 |
| 2026-06-13 12:00 |
20:08:17.94 |
-51:56:51.4 |
HIP 99344 |
19.60 |
| 2026-06-14 00:00 |
20:08:14.75 |
-51:57:09.5 |
HIP 99141 |
19.80 |
| 2026-06-14 12:00 |
20:08:11.53 |
-51:57:27.6 |
HIP 99141 |
19.38 |
| 2026-06-15 00:00 |
20:08:08.29 |
-51:57:45.5 |
HIP 99141 |
18.97 |
| 2026-06-15 12:00 |
20:08:05.03 |
-51:58:03.3 |
HIP 99141 |
18.57 |
| 2026-06-16 00:00 |
20:08:01.74 |
-51:58:21.0 |
HIP 99141 |
18.18 |
| 2026-06-16 12:00 |
20:07:58.44 |
-51:58:38.5 |
HIP 99141 |
17.80 |
| 2026-06-17 00:00 |
20:07:55.11 |
-51:58:56.0 |
HIP 99141 |
17.44 |
| 2026-06-17 12:00 |
20:07:51.76 |
-51:59:13.3 |
HIP 99141 |
17.09 |
| 2026-06-18 00:00 |
20:07:48.39 |
-51:59:30.5 |
HIP 99141 |
16.75 |
| 2026-06-18 12:00 |
20:07:45.00 |
-51:59:47.6 |
HIP 99141 |
16.43 |
| 2026-06-19 00:00 |
20:07:41.58 |
-52:00:04.6 |
HIP 99141 |
16.13 |
| 2026-06-19 12:00 |
20:07:38.15 |
-52:00:21.4 |
HIP 99141 |
15.85 |
| 2026-06-20 00:00 |
20:07:34.70 |
-52:00:38.2 |
HIP 99141 |
15.58 |
| 2026-06-20 12:00 |
20:07:31.23 |
-52:00:54.7 |
HIP 99141 |
15.34 |
| 2026-06-21 00:00 |
20:07:27.73 |
-52:01:11.2 |
HIP 99141 |
15.12 |
| 2026-06-21 12:00 |
20:07:24.22 |
-52:01:27.5 |
HIP 99141 |
14.93 |
| 2026-06-22 00:00 |
20:07:20.69 |
-52:01:43.7 |
HIP 99141 |
14.76 |