2212 Hephaistos

Asteroid profile

Class: NEA

Family: Apollo

Tholen: SG

SMASSII: —

GAjpl: 0.163

GAminorpl: 0.2

Notes on albedo parameters:

GAjpl — geometric albedo from the NASA JPL Small-Body Database.
GAminorpl — geometric albedo from the Minor Planet Physical Properties Database.

Total observations: 13

Bands: B, I, R, V

Observatories: CrAO, Terskol

References: Unp Kiselev

All rows for this asteroid are exported.

Sorting: first by filter groups (U-like, B-like, V-like, R-like, I-like, IR), then by filter, then by phase angle.

Date	Band	Phase	P	sP	Q	sQ	Pr	Qr	Psi	Obs	Ref
2022 / 12 / 20	B	38.3026	2.169	0.373	171.508	4.927	1.827	-16.32	277.827	CrAO	Unp Kiselev
2022 / 12 / 19	V	38.2824	2.35	0.364	4.071	4.219	2.33	-3.77	277.838	CrAO	Unp Kiselev
2023 / 01 / 22	V	109.525	6.4747	1.0672	38.1863	4.7223	6.347	174.3	313.886	Terskol	Unp Kiselev
2023 / 01 / 23	V	113.201	7.4037	0.53396	48.2244	2.0662	7.3311	4.0154	314.209	Terskol	Unp Kiselev
2023 / 01 / 24	V	116.712	10.3292	0.87339	42.4437	2.4225	10.3095	178.228	314.216	Terskol	Unp Kiselev
2023 / 01 / 25	V	119.977	7.238	1.6145	36.5833	6.3908	7.0023	172.67	313.913	Terskol	Unp Kiselev
2022 / 12 / 19	R	38.2821	0.908	0.137	6.8	4.263	0.908	-1.04	277.838	CrAO	Unp Kiselev
2023 / 01 / 22	R	109.525	8.4088	1.4285	28.967	4.8671	7.2941	165.081	313.886	Terskol	Unp Kiselev
2023 / 01 / 22	R	109.679	8.675	1.784	49.014	4.783	8.537	5.11	313.906	CrAO	Unp Kiselev
2023 / 01 / 23	R	113.201	7.6886	0.407	39.7914	1.5166	7.5973	175.582	314.209	Terskol	Unp Kiselev
2023 / 01 / 24	R	116.712	6.5558	0.71331	45.7376	3.1173	6.5465	1.5216	314.216	Terskol	Unp Kiselev
2023 / 01 / 25	R	119.977	6.1207	1.395	19.5503	6.5299	4.0376	155.637	313.913	Terskol	Unp Kiselev
2022 / 12 / 20	I	38.3026	2.037	0.218	1.57	3.117	1.989	-6.26	277.827	CrAO	Unp Kiselev

The plot shows P_r, and if it is unavailable, P. Error bars use sP. The same reference is shown in the same color.

Marker shape encodes the filter group. Bottom legend: color = reference.

Marker shape → filter group

U-like B-like V-like R-like I-like IR Other

Color → reference