1998 XM11

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

All data for this body: [vot]

MPC data
Name (number) 1998 XM11 (40249)
a 2.25463
e 0.16001
i / sin(i) 6.8747 / 0.11970
q 1.89386
Q 2.61540
ω 19.1166
Node 85.2240
m 278.3571
n 0.2911
Epoch 2460800.5
nobs 3078
nopp 21
Years observed 1954-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.255
ep 0.183
sin(ip) 0.113
G 0.150
H 15.130
Mass
D 2.65 0.419
pV 0.332 0.1562
Value
Rotational Period 11.510
Period quality 2
Spectral Class S
Spectral Class Score 13.513
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2551 0.1828 0.1134 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.65 0.419 0.419 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.332 0.1562 0.1562 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.5082 2 Sidereal Durech 2023A&A...675A..24D Model
11.5102 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.7786 0.7800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8169 0.7800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.2253 0.7800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT