| Parameter |
Value |
| Designation |
C/1932 M1 (Newman) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1932-09-24T13:18:01.739520Z |
| Orbit solution date (soln_date, UTC) |
2023-12-04T20:32:28Z |
| Obs used |
67 |
| NEO |
- |
| M1 |
11.100 |
| K1 |
4.500 |
| PC |
- |
Osculating Elements
| Parameter |
Value |
| Epoch (epoch_cal, TDB) |
1932-08-08.0000000 |
| e |
1.00049326 |
| q (au) |
1.647388 |
| a (au) |
-3339.781255 |
| i (deg) |
78.388473 |
| Ω (om, deg) |
246.089739 |
| ω (w, deg) |
69.788496 |
| M (ma, deg) |
-0.000243 |
Magnitude
Scatter + Global Linear
$$
M_a = (11.370 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
Model Parameters
| Parameter |
Value |
| H0 |
11.370 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.573 |
| k |
0.800 |
| 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 |
05:39:29.19 |
-30:29:01.5 |
HIP 26660 |
10.95 |
| 2026-06-01 12:00 |
05:39:30.33 |
-30:28:58.2 |
HIP 26660 |
10.86 |
| 2026-06-02 00:00 |
05:39:31.47 |
-30:28:55.0 |
HIP 26660 |
10.78 |
| 2026-06-02 12:00 |
05:39:32.61 |
-30:28:51.9 |
HIP 26660 |
10.70 |
| 2026-06-03 00:00 |
05:39:33.76 |
-30:28:48.8 |
HIP 26660 |
10.63 |
| 2026-06-03 12:00 |
05:39:34.90 |
-30:28:45.9 |
HIP 26660 |
10.55 |
| 2026-06-04 00:00 |
05:39:36.05 |
-30:28:43.1 |
HIP 26660 |
10.49 |
| 2026-06-04 12:00 |
05:39:37.21 |
-30:28:40.4 |
HIP 26660 |
10.42 |
| 2026-06-05 00:00 |
05:39:38.36 |
-30:28:37.7 |
HIP 26660 |
10.36 |
| 2026-06-05 12:00 |
05:39:39.52 |
-30:28:35.2 |
HIP 26660 |
10.31 |
| 2026-06-06 00:00 |
05:39:40.68 |
-30:28:32.8 |
HIP 26660 |
10.26 |
| 2026-06-06 12:00 |
05:39:41.84 |
-30:28:30.5 |
HIP 26660 |
10.21 |
| 2026-06-07 00:00 |
05:39:43.00 |
-30:28:28.3 |
HIP 26660 |
10.17 |
| 2026-06-07 12:00 |
05:39:44.16 |
-30:28:26.1 |
HIP 26660 |
10.13 |
| 2026-06-08 00:00 |
05:39:45.32 |
-30:28:24.1 |
HIP 26660 |
10.09 |
| 2026-06-08 12:00 |
05:39:46.49 |
-30:28:22.2 |
HIP 26660 |
10.07 |
| 2026-06-09 00:00 |
05:39:47.66 |
-30:28:20.4 |
HIP 26660 |
10.04 |
| 2026-06-09 12:00 |
05:39:48.83 |
-30:28:18.7 |
HIP 26660 |
10.02 |
| 2026-06-10 00:00 |
05:39:50.00 |
-30:28:17.0 |
HIP 26660 |
10.01 |
| 2026-06-10 12:00 |
05:39:51.17 |
-30:28:15.5 |
HIP 26660 |
9.99 |
| 2026-06-11 00:00 |
05:39:52.34 |
-30:28:14.1 |
HIP 26660 |
9.99 |
| 2026-06-11 12:00 |
05:39:53.51 |
-30:28:12.8 |
HIP 26660 |
9.99 |
| 2026-06-12 00:00 |
05:39:54.69 |
-30:28:11.6 |
HIP 26660 |
9.99 |
| 2026-06-12 12:00 |
05:39:55.86 |
-30:28:10.5 |
HIP 26660 |
10.00 |
| 2026-06-13 00:00 |
05:39:57.04 |
-30:28:09.5 |
HIP 26660 |
10.01 |
| 2026-06-13 12:00 |
05:39:58.21 |
-30:28:08.6 |
HIP 26660 |
10.03 |
| 2026-06-14 00:00 |
05:39:59.39 |
-30:28:07.8 |
HIP 26660 |
10.05 |
| 2026-06-14 12:00 |
05:40:00.57 |
-30:28:07.1 |
HIP 26660 |
10.08 |
| 2026-06-15 00:00 |
05:40:01.75 |
-30:28:06.6 |
HIP 26660 |
10.11 |
| 2026-06-15 12:00 |
05:40:02.93 |
-30:28:06.1 |
HIP 26660 |
10.14 |
| 2026-06-16 00:00 |
05:40:04.10 |
-30:28:05.7 |
HIP 26660 |
10.19 |
| 2026-06-16 12:00 |
05:40:05.28 |
-30:28:05.4 |
HIP 26660 |
10.23 |
| 2026-06-17 00:00 |
05:40:06.46 |
-30:28:05.2 |
HIP 26660 |
10.28 |
| 2026-06-17 12:00 |
05:40:07.64 |
-30:28:05.2 |
HIP 26660 |
10.33 |
| 2026-06-18 00:00 |
05:40:08.82 |
-30:28:05.2 |
HIP 26660 |
10.39 |
| 2026-06-18 12:00 |
05:40:10.00 |
-30:28:05.4 |
HIP 26660 |
10.45 |
| 2026-06-19 00:00 |
05:40:11.17 |
-30:28:05.6 |
HIP 26660 |
10.52 |
| 2026-06-19 12:00 |
05:40:12.35 |
-30:28:05.9 |
HIP 26660 |
10.59 |
| 2026-06-20 00:00 |
05:40:13.53 |
-30:28:06.4 |
HIP 26660 |
10.66 |
| 2026-06-20 12:00 |
05:40:14.70 |
-30:28:06.9 |
HIP 26660 |
10.74 |
| 2026-06-21 00:00 |
05:40:15.88 |
-30:28:07.6 |
HIP 26660 |
10.82 |
| 2026-06-21 12:00 |
05:40:17.05 |
-30:28:08.4 |
HIP 26660 |
10.91 |
| 2026-06-22 00:00 |
05:40:18.23 |
-30:28:09.2 |
HIP 26660 |
11.00 |