1620 Geographos

Asteroid profile

Class: NEA

Family: Apollo

Tholen: S

SMASSII: S

GAjpl: 0.29

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: 28

Bands: B, I, R, U, V

Observatories: CTIO, CrAO

References: 1974 Dunlap, 1996 Vasilyev

All rows for this asteroid are exported.

Measurements

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
1994 / 09 / 04.89	U	20.0	0.39	0.32	77.9	19.4	-0.25	None	102.7	CrAO	1996 Vasilyev
1994 / 09 / 06.85	U	21.8	0.98	1.04	126.4	23.4	-0.74	None	105.9	CrAO	1996 Vasilyev
1994 / 09 / 07.89	U	22.7	1.1	0.42	15.0	10.4	1.09	None	107.1	CrAO	1996 Vasilyev
1994 / 09 / 08.87	U	23.5	1.1	0.29	22.6	7.4	1.08	None	108.1	CrAO	1996 Vasilyev
1994 / 09 / 04.89	B	20.0	0.13	0.11	165.9	19.2	0.08	None	102.7	CrAO	1996 Vasilyev
1994 / 09 / 06.85	B	21.8	0.23	0.32	49.2	27.5	0.09	None	105.9	CrAO	1996 Vasilyev
1994 / 09 / 07.89	B	22.7	0.17	0.08	40.6	11.8	0.12	None	107.1	CrAO	1996 Vasilyev
1994 / 09 / 08.87	B	23.5	0.25	0.1	20.8	11.0	0.25	None	108.1	CrAO	1996 Vasilyev
1969 / 09 / 04.03	B	42.0	2.4	0.3	None	None	2.4	177.0	None	CTIO	1974 Dunlap
1969 / 09 / 02.03	B	46.0	2.8	0.2	None	None	2.8	179.0	None	CTIO	1974 Dunlap
1969 / 08 / 30.04	B	58.0	4.2	0.5	None	None	4.2	179.0	None	CTIO	1974 Dunlap
1969 / 08 / 26.1	B	78.0	6.3	0.3	None	None	6.3	182.0	None	CTIO	1974 Dunlap
1994 / 09 / 04.89	V	20.0	0.2	0.14	96.7	17.7	-0.19	None	102.7	CrAO	1996 Vasilyev
1994 / 09 / 06.85	V	21.8	0.26	0.34	22.9	26.4	0.25	None	105.9	CrAO	1996 Vasilyev
1994 / 09 / 07.89	V	22.7	0.24	0.13	4.6	14.8	0.21	None	107.1	CrAO	1996 Vasilyev
1994 / 09 / 08.87	V	23.5	0.3	0.14	41.2	12.6	0.21	None	108.1	CrAO	1996 Vasilyev
1969 / 09 / 04.02	V	42.0	1.6	0.5	None	None	1.6	177.0	None	CTIO	1974 Dunlap
1969 / 09 / 02.04	V	46.0	2.5	0.3	None	None	2.5	179.0	None	CTIO	1974 Dunlap
1969 / 08 / 30.04	V	58.0	3.2	0.4	None	None	3.2	182.0	None	CTIO	1974 Dunlap
1969 / 08 / 26.12	V	78.0	4.2	0.5	None	None	4.2	180.0	None	CTIO	1974 Dunlap
1994 / 09 / 04.89	R	20.0	0.21	0.09	112.9	11.4	-0.2	None	102.7	CrAO	1996 Vasilyev
1994 / 09 / 06.85	R	21.8	0.21	0.17	70.0	19.7	-0.06	None	105.9	CrAO	1996 Vasilyev
1994 / 09 / 07.89	R	22.7	0.22	0.06	37.2	7.2	0.17	None	107.1	CrAO	1996 Vasilyev
1994 / 09 / 08.87	R	23.5	0.27	0.05	20.7	5.5	0.27	None	108.1	CrAO	1996 Vasilyev
1994 / 09 / 04.89	I	20.0	0.31	0.13	111.4	11.7	-0.29	None	102.7	CrAO	1996 Vasilyev
1994 / 09 / 06.85	I	21.8	0.42	0.29	177.8	17.3	0.34	None	105.9	CrAO	1996 Vasilyev
1994 / 09 / 07.89	I	22.7	0.2	0.1	163.2	12.9	0.07	None	107.1	CrAO	1996 Vasilyev
1994 / 09 / 08.87	I	23.5	0.14	0.08	19.6	15.2	0.14	None	108.1	CrAO	1996 Vasilyev

Plot filters

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.

Plot legend

Marker shape → filter group

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

Color → reference