135 Hertha

Asteroid profile

Class: MBA

Family: Hertha

Tholen: M

SMASSII: Xk

GAjpl: 0.1436

GAminorpl: 0.1684

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: 11

Bands: B, H, J, R, V

Observatories: CASLEO, Catalina, Haleakala, Palomar

References: 1976b Zellner, 2007a Gil-Hutton, 2022 Belskaya, 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
1974 / 11 / 13.32	B	5.9	0.96	0.04	None	None	-0.96	91.3	None	Catalina	1976b Zellner
2021 / 03 / 04.35	B	15.9	0.603	0.037	97.4	1.7	-0.6	87.1	None	Haleakala	2022 Belskaya
2021 / 03 / 18.39	B	18.4	0.305	0.085	94.6	7.8	-0.3	85.0	None	Haleakala	2022 Belskaya
2004 / 10 / 15	V	4.8	0.8	0.01	79.2	0.3	-0.8	None	80.8	CASLEO	2007a Gil-Hutton
2004 / 10 / 16	V	5.2	0.85	0.02	80.0	0.4	-0.85	None	79.7	CASLEO	2007a Gil-Hutton
2021 / 03 / 18.39	V	18.4	0.638	0.071	92.3	3.2	-0.617	82.7	None	Haleakala	2022 Belskaya
2004 / 08 / 25	V	22.4	0.15	0.01	172.6	2.1	0.13	None	67.0	CASLEO	2007a Gil-Hutton
2021 / 03 / 04.35	R	15.9	0.641	0.031	96.5	1.4	-0.635	86.2	None	Haleakala	2022 Belskaya
2021 / 03 / 18.39	R	18.4	0.488	0.053	96.5	3.1	-0.485	86.9	None	Haleakala	2022 Belskaya
2025 / 03 / 02	H	10.3	None	0.11	None	2.0	-1.45	89.5	None	Palomar	2025 Masiero
2025 / 03 / 02	J	10.3	None	0.11	None	2.4	-1.24	81.7	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