| Parameter |
Value |
| Designation |
C/1914 F1 (Kritzinger) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1914-06-04T16:34:09.307200Z |
| Orbit solution date (soln_date, UTC) |
2024-04-15T15:43:28Z |
| Obs used |
69 |
| NEO |
- |
| M1 |
11.100 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
1914-05-20.0000000 |
| e |
1.00064055 |
| q (au) |
1.198609 |
| a (au) |
-1871.219758 |
| i (deg) |
23.919800 |
| Ω (om, deg) |
200.121883 |
| ω (w, deg) |
72.221112 |
| M (ma, deg) |
-0.000191 |
Magnitude
Scatter + Global Linear
$$
M_a = (10.496 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
10.496 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.988 |
| 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) |
| 2026-06-01 00:00 |
05:18:57.19 |
+02:21:25.9 |
HIP 24817 |
14.75 |
| 2026-06-01 12:00 |
05:18:58.09 |
+02:21:27.7 |
HIP 24817 |
14.67 |
| 2026-06-02 00:00 |
05:18:58.99 |
+02:21:29.4 |
HIP 24817 |
14.59 |
| 2026-06-02 12:00 |
05:18:59.90 |
+02:21:31.1 |
HIP 24817 |
14.52 |
| 2026-06-03 00:00 |
05:19:00.80 |
+02:21:32.7 |
HIP 24817 |
14.45 |
| 2026-06-03 12:00 |
05:19:01.71 |
+02:21:34.3 |
HIP 24817 |
14.38 |
| 2026-06-04 00:00 |
05:19:02.61 |
+02:21:35.8 |
HIP 24817 |
14.32 |
| 2026-06-04 12:00 |
05:19:03.52 |
+02:21:37.4 |
HIP 24817 |
14.26 |
| 2026-06-05 00:00 |
05:19:04.43 |
+02:21:38.8 |
HIP 24817 |
14.21 |
| 2026-06-05 12:00 |
05:19:05.34 |
+02:21:40.3 |
HIP 24817 |
14.16 |
| 2026-06-06 00:00 |
05:19:06.25 |
+02:21:41.7 |
HIP 24864 |
14.06 |
| 2026-06-06 12:00 |
05:19:07.17 |
+02:21:43.0 |
HIP 24864 |
13.87 |
| 2026-06-07 00:00 |
05:19:08.08 |
+02:21:44.4 |
HIP 24864 |
13.68 |
| 2026-06-07 12:00 |
05:19:08.99 |
+02:21:45.6 |
HIP 24864 |
13.50 |
| 2026-06-08 00:00 |
05:19:09.90 |
+02:21:46.9 |
HIP 24864 |
13.32 |
| 2026-06-08 12:00 |
05:19:10.82 |
+02:21:48.1 |
HIP 24864 |
13.14 |
| 2026-06-09 00:00 |
05:19:11.73 |
+02:21:49.2 |
HIP 24864 |
12.96 |
| 2026-06-09 12:00 |
05:19:12.65 |
+02:21:50.3 |
HIP 24864 |
12.78 |
| 2026-06-10 00:00 |
05:19:13.56 |
+02:21:51.4 |
HIP 24864 |
12.61 |
| 2026-06-10 12:00 |
05:19:14.48 |
+02:21:52.5 |
HIP 24864 |
12.44 |
| 2026-06-11 00:00 |
05:19:15.40 |
+02:21:53.5 |
HIP 24864 |
12.27 |
| 2026-06-11 12:00 |
05:19:16.31 |
+02:21:54.4 |
HIP 24864 |
12.10 |
| 2026-06-12 00:00 |
05:19:17.23 |
+02:21:55.3 |
HIP 24864 |
11.93 |
| 2026-06-12 12:00 |
05:19:18.14 |
+02:21:56.2 |
HIP 24864 |
11.77 |
| 2026-06-13 00:00 |
05:19:19.06 |
+02:21:57.0 |
HIP 24864 |
11.61 |
| 2026-06-13 12:00 |
05:19:19.98 |
+02:21:57.8 |
HIP 24864 |
11.46 |
| 2026-06-14 00:00 |
05:19:20.89 |
+02:21:58.6 |
HIP 24864 |
11.30 |
| 2026-06-14 12:00 |
05:19:21.81 |
+02:21:59.3 |
HIP 24864 |
11.15 |
| 2026-06-15 00:00 |
05:19:22.72 |
+02:22:00.0 |
HIP 24864 |
11.01 |
| 2026-06-15 12:00 |
05:19:23.64 |
+02:22:00.6 |
HIP 24864 |
10.86 |
| 2026-06-16 00:00 |
05:19:24.55 |
+02:22:01.2 |
HIP 24864 |
10.72 |
| 2026-06-16 12:00 |
05:19:25.47 |
+02:22:01.7 |
HIP 24864 |
10.59 |
| 2026-06-17 00:00 |
05:19:26.38 |
+02:22:02.2 |
HIP 24864 |
10.46 |
| 2026-06-17 12:00 |
05:19:27.29 |
+02:22:02.7 |
HIP 24864 |
10.33 |
| 2026-06-18 00:00 |
05:19:28.20 |
+02:22:03.1 |
HIP 24864 |
10.20 |
| 2026-06-18 12:00 |
05:19:29.11 |
+02:22:03.5 |
HIP 24864 |
10.08 |
| 2026-06-19 00:00 |
05:19:30.02 |
+02:22:03.8 |
HIP 24864 |
9.97 |
| 2026-06-19 12:00 |
05:19:30.93 |
+02:22:04.1 |
HIP 24864 |
9.86 |
| 2026-06-20 00:00 |
05:19:31.84 |
+02:22:04.3 |
HIP 24864 |
9.75 |
| 2026-06-20 12:00 |
05:19:32.75 |
+02:22:04.5 |
HIP 24864 |
9.65 |
| 2026-06-21 00:00 |
05:19:33.66 |
+02:22:04.7 |
HIP 24864 |
9.56 |
| 2026-06-21 12:00 |
05:19:34.56 |
+02:22:04.8 |
HIP 24864 |
9.47 |
| 2026-06-22 00:00 |
05:19:35.46 |
+02:22:04.9 |
HIP 24864 |
9.38 |