1998 XM11

1998XM11, 2001 QR268, 2001QR268, 40249, J98X11M, K01QQ8R

All data for this body: [vot]

MPC data

Name (number)	1998 XM11 (40249)
a	2.25540
e	0.15962
i / sin(i)	6.8741 / 0.11969
q	1.89539
Q	2.61541
ω	19.0492
Node	85.2258
m	103.8067
n	0.2910
Epoch	2460200.5

n_obs	2957
n_opp	19
Years observed	1954-2023
rms	0.53

Best values

	Value	Standard error
Parent

a_p	2.255
e_p	0.183
sin(i_p)	0.113

	Value	Standard error
G	0.150
H	15.140
Mass
D	2.65	0.419
pV	0.332	0.1562
Rotational Period	11.510

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.2551	0.1828	0.1134	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.65	0.419	0.419	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.332	0.1562	0.1562	Masiero	2011ApJ...741...68M	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
15.14			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
11.51			Durech	2023A&A...675A..24D	Model
11.51			Pal	2020ApJS..247...26P	Lightcurve