5 Astraea

Asteroid profile

Class: MBA

Family: Astraea

Tholen: S

SMASSII: S

GAjpl: 0.274

GAminorpl: 0.243

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: 43

Bands: 0.48, 0.62, 0.77, B, G, I, R, U, V

Observatories: CASLEO, CASLEO 2.15, Catalina, Lulin 1.0, Steward 2.3

References: 1976b Zellner, 2011 Gil-Hutton, 2014 Gil-Hutton, 2022 Kang-Shian Pan

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
2006 / 08 / 28	U	19.22	None	0.15	None	34.6	0.05	7.9	None	CASLEO 2.15	2014 Gil-Hutton
2017 / 07 / 23	0.48	3.99	None	0.09	None	2.0	-0.89	60.0	None	Lulin 1.0	2022 Kang-Shian Pan
2017 / 10 / 18	0.48	18.63	None	0.15	None	11.0	-0.02	129.0	None	Lulin 1.0	2022 Kang-Shian Pan
1975 / 04 / 01.29	B	8.65	0.66	0.03	None	None	-0.66	88.8	None	Catalina	1976b Zellner
1975 / 05 / 05.32	B	9.85	0.71	0.03	None	None	-0.71	88.6	None	Catalina	1976b Zellner
1973 / 10 / 07.31	B	11.42	0.65	0.12	None	None	-0.65	91.3	None	Steward 2.3	1976b Zellner
1973 / 12 / 07.24	B	15.89	0.37	0.08	None	None	-0.37	85.0	None	Steward 2.3	1976b Zellner
2005 / 09 / 28	B	16.8	None	0.15	None	15.6	-0.17	105.3	None	CASLEO 2.15	2014 Gil-Hutton
1973 / 09 / 19.45	B	16.88	0.22	0.14	None	None	-0.21	83.6	None	Catalina	1976b Zellner
2006 / 08 / 29	B	19.06	None	0.17	None	3.2	0.91	17.6	None	CASLEO 2.15	2014 Gil-Hutton
2006 / 08 / 28	B	19.22	None	0.08	None	32.8	-0.03	81.9	None	CASLEO 2.15	2014 Gil-Hutton
1973 / 08 / 22.42	B	21.22	0.22	0.14	None	None	0.22	3.0	None	Steward 2.3	1976b Zellner
1973 / 12 / 28.26	B	21.39	0.24	0.15	None	None	0.24	-0.3	None	Catalina	1976b Zellner
1973 / 12 / 29.25	B	21.57	0.34	0.15	None	None	0.34	-1.9	None	Catalina	1976b Zellner
1973 / 08 / 08.39	B	21.81	0.34	0.15	None	None	0.25	-21.5	None	Steward 2.3	1976b Zellner
1974 / 01 / 29.14	B	29.44	0.49	0.15	None	None	0.49	-1.3	None	Catalina	1976b Zellner
1975 / 04 / 01.31	G	8.64	0.69	0.03	None	None	-0.69	92.0	None	Catalina	1976b Zellner
1975 / 05 / 05.33	G	9.86	0.69	0.03	None	None	-0.69	88.8	None	Catalina	1976b Zellner
1973 / 10 / 07.3	G	11.42	0.62	0.11	None	None	-0.62	90.2	None	Steward 2.3	1976b Zellner
1973 / 12 / 07.25	G	15.89	0.33	0.1	None	None	-0.33	87.3	None	Steward 2.3	1976b Zellner
1973 / 09 / 19.48	G	16.87	0.21	0.14	None	None	-0.2	93.4	None	Catalina	1976b Zellner
1973 / 12 / 29.23	G	21.57	0.28	0.16	None	None	0.28	-0.9	None	Catalina	1976b Zellner
1973 / 08 / 08.41	G	21.81	0.28	0.2	None	None	0.23	-17.1	None	Steward 2.3	1976b Zellner
1974 / 01 / 29.14	G	24.44	0.47	0.18	None	None	0.47	-1.4	None	Catalina	1976b Zellner
1975 / 01 / 12.52	G	26.9	0.76	0.03	None	None	0.76	-1.4	None	Catalina	1976b Zellner
2008 / 04 / 03	V	3.8	0.54	0.06	49.5	3.2	-0.54	None	48.3	CASLEO	2011 Gil-Hutton
2008 / 05 / 05	V	14.4	0.58	0.06	126.9	3.1	-0.58	None	124.7	CASLEO	2011 Gil-Hutton
2008 / 03 / 07	V	15.5	0.39	0.07	102.9	5.3	-0.39	None	102.8	CASLEO	2011 Gil-Hutton
2005 / 09 / 28	V	16.8	None	0.07	None	8.1	-0.21	86.8	None	CASLEO 2.15	2014 Gil-Hutton
2006 / 08 / 29	V	19.06	None	0.08	None	2.7	0.59	13.1	None	CASLEO 2.15	2014 Gil-Hutton
2006 / 08 / 28	V	19.22	None	0.03	None	18.7	0.0	47.6	None	CASLEO 2.15	2014 Gil-Hutton
2017 / 07 / 23	0.62	3.99	None	0.08	None	3.0	-0.73	58.0	None	Lulin 1.0	2022 Kang-Shian Pan
2017 / 10 / 18	0.62	18.63	None	0.12	None	15.0	-0.03	126.0	None	Lulin 1.0	2022 Kang-Shian Pan
2008 / 05 / 05	R	14.4	0.7	0.07	128.7	2.7	-0.69	None	124.7	CASLEO	2011 Gil-Hutton
2008 / 03 / 07	R	15.5	0.4	0.06	100.4	4.1	-0.4	None	102.8	CASLEO	2011 Gil-Hutton
2005 / 09 / 28	R	16.8	None	0.08	None	4.7	-0.47	90.4	None	CASLEO 2.15	2014 Gil-Hutton
2006 / 08 / 29	R	19.06	None	0.08	None	3.4	0.37	20.8	None	CASLEO 2.15	2014 Gil-Hutton
2006 / 08 / 28	R	19.22	None	0.06	None	17.2	-0.02	51.1	None	CASLEO 2.15	2014 Gil-Hutton
2017 / 07 / 23	0.77	3.99	None	0.07	None	2.0	-0.81	48.0	None	Lulin 1.0	2022 Kang-Shian Pan
2017 / 10 / 18	0.77	18.63	None	0.16	None	20.0	0.14	6.0	None	Lulin 1.0	2022 Kang-Shian Pan
2005 / 09 / 28	I	16.8	None	0.15	None	7.0	-0.59	90.2	None	CASLEO 2.15	2014 Gil-Hutton
2006 / 08 / 29	I	19.06	None	0.04	None	3.1	0.33	2.3	None	CASLEO 2.15	2014 Gil-Hutton
2006 / 08 / 28	I	19.22	None	0.1	None	12.2	-0.18	95.8	None	CASLEO 2.15	2014 Gil-Hutton

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