| Parameter |
Value |
| Designation |
C/1914 J1 (Zlatinsky) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1914-05-08T21:04:17.437440Z |
| Orbit solution date (soln_date, UTC) |
2024-04-15T15:43:28Z |
| Obs used |
27 |
| NEO |
- |
| M1 |
9.000 |
| K1 |
8.000 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
1914-05-28.0000000 |
| e |
1.00013213 |
| q (au) |
0.543189 |
| a (au) |
-4111.176591 |
| i (deg) |
112.979652 |
| Ω (om, deg) |
33.853999 |
| ω (w, deg) |
116.416144 |
| M (ma, deg) |
0.000071 |
Magnitude
Scatter + Global Linear
$$
M_a = (8.774 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
8.774 |
| n |
2.000 |
| gf |
0.800 |
| gb |
-1.000 |
| k |
0.800 |
| δ90 |
1.000 |
| 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 |
05:40:41.16 |
-36:51:35.7 |
HIP 26722 |
16.50 |
| 2026-06-01 12:00 |
05:40:42.23 |
-36:51:32.3 |
HIP 26722 |
16.44 |
| 2026-06-02 00:00 |
05:40:43.30 |
-36:51:29.0 |
HIP 26722 |
16.39 |
| 2026-06-02 12:00 |
05:40:44.37 |
-36:51:25.7 |
HIP 26722 |
16.33 |
| 2026-06-03 00:00 |
05:40:45.45 |
-36:51:22.6 |
HIP 26722 |
16.29 |
| 2026-06-03 12:00 |
05:40:46.53 |
-36:51:19.6 |
HIP 26722 |
16.24 |
| 2026-06-04 00:00 |
05:40:47.61 |
-36:51:16.6 |
HIP 26722 |
16.21 |
| 2026-06-04 12:00 |
05:40:48.69 |
-36:51:13.8 |
HIP 26722 |
16.17 |
| 2026-06-05 00:00 |
05:40:49.78 |
-36:51:11.0 |
HIP 26722 |
16.14 |
| 2026-06-05 12:00 |
05:40:50.87 |
-36:51:08.4 |
HIP 26722 |
16.12 |
| 2026-06-06 00:00 |
05:40:51.95 |
-36:51:05.8 |
HIP 26722 |
16.10 |
| 2026-06-06 12:00 |
05:40:53.04 |
-36:51:03.3 |
HIP 26722 |
16.09 |
| 2026-06-07 00:00 |
05:40:54.14 |
-36:51:01.0 |
HIP 26722 |
16.07 |
| 2026-06-07 12:00 |
05:40:55.23 |
-36:50:58.7 |
HIP 26722 |
16.07 |
| 2026-06-08 00:00 |
05:40:56.32 |
-36:50:56.5 |
HIP 26722 |
16.07 |
| 2026-06-08 12:00 |
05:40:57.42 |
-36:50:54.5 |
HIP 26722 |
16.07 |
| 2026-06-09 00:00 |
05:40:58.52 |
-36:50:52.5 |
HIP 26722 |
16.08 |
| 2026-06-09 12:00 |
05:40:59.62 |
-36:50:50.6 |
HIP 26722 |
16.09 |
| 2026-06-10 00:00 |
05:41:00.72 |
-36:50:48.8 |
HIP 26722 |
16.11 |
| 2026-06-10 12:00 |
05:41:01.82 |
-36:50:47.1 |
HIP 26722 |
16.14 |
| 2026-06-11 00:00 |
05:41:02.92 |
-36:50:45.5 |
HIP 26722 |
16.16 |
| 2026-06-11 12:00 |
05:41:04.03 |
-36:50:44.0 |
HIP 26722 |
16.19 |
| 2026-06-12 00:00 |
05:41:05.13 |
-36:50:42.6 |
HIP 26722 |
16.23 |
| 2026-06-12 12:00 |
05:41:06.24 |
-36:50:41.3 |
HIP 26722 |
16.27 |
| 2026-06-13 00:00 |
05:41:07.34 |
-36:50:40.1 |
HIP 26722 |
16.32 |
| 2026-06-13 12:00 |
05:41:08.45 |
-36:50:39.0 |
HIP 26722 |
16.37 |
| 2026-06-14 00:00 |
05:41:09.56 |
-36:50:38.0 |
HIP 26722 |
16.42 |
| 2026-06-14 12:00 |
05:41:10.67 |
-36:50:37.1 |
HIP 26722 |
16.48 |
| 2026-06-15 00:00 |
05:41:11.77 |
-36:50:36.3 |
HIP 26722 |
16.55 |
| 2026-06-15 12:00 |
05:41:12.88 |
-36:50:35.6 |
HIP 26722 |
16.61 |
| 2026-06-16 00:00 |
05:41:13.99 |
-36:50:35.0 |
HIP 26722 |
16.69 |
| 2026-06-16 12:00 |
05:41:15.10 |
-36:50:34.4 |
HIP 26722 |
16.76 |
| 2026-06-17 00:00 |
05:41:16.21 |
-36:50:34.0 |
HIP 26722 |
16.84 |
| 2026-06-17 12:00 |
05:41:17.32 |
-36:50:33.7 |
HIP 26722 |
16.93 |
| 2026-06-18 00:00 |
05:41:18.43 |
-36:50:33.5 |
HIP 26722 |
17.01 |
| 2026-06-18 12:00 |
05:41:19.54 |
-36:50:33.4 |
HIP 26722 |
17.11 |
| 2026-06-19 00:00 |
05:41:20.65 |
-36:50:33.4 |
HIP 26722 |
17.20 |
| 2026-06-19 12:00 |
05:41:21.75 |
-36:50:33.4 |
HIP 26722 |
17.30 |
| 2026-06-20 00:00 |
05:41:22.86 |
-36:50:33.6 |
HIP 26722 |
17.41 |
| 2026-06-20 12:00 |
05:41:23.97 |
-36:50:33.9 |
HIP 26722 |
17.51 |
| 2026-06-21 00:00 |
05:41:25.08 |
-36:50:34.2 |
HIP 26722 |
17.62 |
| 2026-06-21 12:00 |
05:41:26.18 |
-36:50:34.7 |
HIP 26722 |
17.74 |
| 2026-06-22 00:00 |
05:41:27.29 |
-36:50:35.3 |
HIP 26722 |
17.86 |