1627 Ivar

Asteroid profile

Class: NEA

Family: Amor

Tholen: S

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: 20

Bands: R, V

Observatories: Asiago, CASLEO 2.15, CrAO, Sanglok

References: 1994 Kiselev, 2006b Fornasier, 2019 Lopez-Sisterna, Unpub 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 / 01 / 29	V	0.6111	0.04	0.594	55.132	435.729	-0.036	77.0	68.128	CrAO	Unpub Kiselev
2025 / 01 / 31	V	1.6197	0.467	0.578	138.643	35.048	0.01	135.71	92.931	CrAO	Unpub Kiselev
2005 / 03 / 14.974	V	8.7	0.47	0.08	135.4	4.8	-0.47	90.0	135.4	Asiago	2006b Fornasier
2005 / 03 / 15.983	V	9.2	0.47	0.1	116.0	6.0	-0.38	72.1	133.9	Asiago	2006b Fornasier
2005 / 03 / 17.865	V	10.3	0.32	0.05	148.0	4.5	-0.26	106.5	131.5	Asiago	2006b Fornasier
2018 / 05 / 19	V	25.0	0.12	0.1	122.5	19.7	-0.03	None	161.1	CASLEO 2.15	2019 Lopez-Sisterna
1990 / 05 / 26.746	V	34.4	1.48	0.26	39.0	5.1	1.43	None	136.5	Sanglok	1994 Kiselev
1990 / 06 / 15.75	V	46.9	3.19	0.25	33.0	2.3	3.19	None	122.8	Sanglok	1994 Kiselev
1990 / 06 / 18.782	V	48.6	2.89	0.48	34.4	4.9	3.85	None	121.4	Sanglok	1994 Kiselev
1990 / 06 / 21.759	V	50.1	3.68	0.3	26.9	2.3	3.65	None	120.1	Sanglok	1994 Kiselev
1990 / 06 / 22.766	V	50.6	3.73	0.28	30.8	2.1	3.73	None	119.7	Sanglok	1994 Kiselev
1990 / 06 / 23.778	V	51.1	3.3	0.35	27.9	3.1	3.3	None	119.2	Sanglok	1994 Kiselev
1990 / 07 / 14.759	V	59.3	4.21	0.41	18.2	2.8	4.16	None	119.4	Sanglok	1994 Kiselev
1990 / 07 / 15.715	V	59.6	5.01	0.4	24.2	2.4	5.0	None	112.1	Sanglok	1994 Kiselev
1990 / 07 / 18.756	V	60.5	4.84	0.44	18.9	2.7	4.83	None	111.3	Sanglok	1994 Kiselev
1990 / 07 / 19.733	V	60.7	4.73	0.43	20.4	2.7	4.73	None	111.0	Sanglok	1994 Kiselev
1990 / 07 / 22.774	V	61.4	3.55	1.05	16.9	8.6	3.53	None	110.2	Sanglok	1994 Kiselev
1990 / 08 / 12.694	V	64.1	5.75	0.88	13.2	4.5	5.74	None	104.3	Sanglok	1994 Kiselev
2025 / 01 / 29	R	0.6114	1.103	0.281	86.387	7.321	-0.888	108.24	68.148	CrAO	Unpub Kiselev
2025 / 01 / 31	R	1.6208	0.215	0.249	105.158	34.556	-0.196	102.22	92.94	CrAO	Unpub 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