1990 QR

1990QR, 12269, J90Q00R

All data for this body: [vot]

MPC data

Name (number)	1990 QR (12269)
a	2.61877
e	0.17450
i / sin(i)	13.5542 / 0.23437
q	2.16179
Q	3.07575
ω	123.9794
Node	168.7124
m	316.6628
n	0.2326
Epoch	2460200.5

n_obs	3087
n_opp	22
Years observed	1990-2023
rms	0.55

Best values

	Value	Standard error
Parent	Eunomia (15)

a_p	2.619
e_p	0.147
sin(i_p)	0.235

	Value	Standard error
G	0.150
H	13.380
Mass
D	9.85	0.085
pV	0.112	0.0017
Rotational Period	76.000

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
15	Eunomia	502	Eunomia	-0.3100	Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.6188	0.1475	0.2351	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
11.05	0.490	0.490	Usui	2011PASJ...63.1117U	NEATM
11.31	2.260	2.260	Ali-Lagoa	2018A&A...612A..85A	NEATM
3.94	1.620	1.620	Nugent	2016AJ....152...63N	NEATM
8.43	2.460	2.460	Nugent	2016AJ....152...63N	NEATM
9.57	3.150	3.150	Masiero	2021PSJ.....2..162M	NEATM
9.74	2.470	2.470	Masiero	2021PSJ.....2..162M	NEATM
9.83	0.087	0.087	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.071	0.0280	0.0280	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.080	0.0500	0.0500	Nugent	2016AJ....152...63N	NEATM
0.091	0.0400	0.0700	Masiero	2021PSJ.....2..162M	NEATM
0.101	0.0370	0.0580	Masiero	2021PSJ.....2..162M	NEATM
0.112	0.0017	0.0017	Masiero	2011ApJ...741...68M	NEATM
0.380	0.1100	0.1100	Nugent	2016AJ....152...63N	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
13.38			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
76.00			Pravec	LCDB	Lightcurve
85.05			Durech	2023A&A...675A..24D	Model