1866 Sisyphus

Asteroid profile

Class: NEA

Family: Apollo

Tholen: —

SMASSII: S

GAjpl: 0.15

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: 6

Bands: I, R, V

Observatories: CrAO

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
2025 / 04 / 27	V	24.7622	4.877	4.223	11.758	23.954	1.442	36.42	65.342	CrAO	Unp Kiselev
2025 / 02 / 28	V	38.0666	2.606	0.75	169.193	7.87	2.194	16.33	62.866	CrAO	Unp Kiselev
2025 / 02 / 26	V	38.6361	1.573	0.814	127.303	14.355	0.987	-25.59	62.891	CrAO	Unp Kiselev
2025 / 04 / 27	R	24.7618	4.697	1.798	139.755	10.448	4.019	-15.59	65.342	CrAO	Unp Kiselev
2025 / 02 / 26	R	38.6359	1.705	0.328	137.24	5.378	1.457	-15.65	62.891	CrAO	Unp Kiselev
2025 / 02 / 28	I	38.0662	1.506	0.416	137.072	7.93	1.283	-15.79	62.866	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