89 Julia

Asteroid profile

Class: MBA

Family: Julia

Tholen: S

SMASSII: K

GAjpl: 0.189

GAminorpl: 0.2494

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: 9

Bands: B, G, H, R, V

Observatories: CASLEO, Calern, Catalina, Palomar

References: 1976b Zellner, 2011 Gil-Hutton, 2017 Devogele, 2025 Masiero

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
1973 / 12 / 31.45	B	7.25	0.9	0.14	None	None	-0.89	88.5	None	Catalina	1976b Zellner
1974 / 01 / 16.44	G	2.89	0.54	0.09	None	None	-0.54	90.2	None	Catalina	1976b Zellner
1973 / 12 / 31.29	G	7.32	0.87	0.16	None	None	-0.87	89.6	None	Catalina	1976b Zellner
2015 / 02 / 19	V	6.09	None	0.02	None	None	-0.81	None	None	Calern	2017 Devogele
2008 / 05 / 25	V	11.0	1.18	0.11	60.4	2.6	-1.18	None	63.5	CASLEO	2011 Gil-Hutton
2008 / 04 / 03	V	14.7	0.49	0.09	129.9	9.1	-0.49	None	131.3	CASLEO	2011 Gil-Hutton
2015 / 02 / 19	R	6.09	None	0.03	None	None	-0.82	None	None	Calern	2017 Devogele
2008 / 05 / 25	R	11.0	1.09	0.07	65.5	1.9	-1.09	None	63.5	CASLEO	2011 Gil-Hutton
2023 / 01 / 14	H	4.9	None	0.1	None	3.5	-0.84	95.1	None	Palomar	2025 Masiero

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