1999 XK98

1999XK98, 15520, 1990 VX11, 1990VX11, 1993 MM, 1993MM, 1998 QF90, 1998QF90, J90V11X, J93M00M, J98Q90F, J99X98K

All data for this body: [vot]

MPC data
Name (number) 1999 XK98 (15520)
a 2.65560
e 0.12707
i / sin(i) 11.6901 / 0.20262
q 2.31816
Q 2.99305
ω 322.0534
Node 263.0118
m 181.2516
n 0.2278
Epoch 2460800.5
nobs 5293
nopp 26
Years observed 1980-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.656
ep 0.154
sin(ip) 0.220
G 0.150
H 12.860
Mass
D 9.00 0.105
pV 0.227 0.0216
Value
Rotational Period 8.790
Period quality 3
Spectral Class S
Spectral Class Score 5.612
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6559 0.1545 0.2200 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.38 0.820 0.820 Masiero 2012ApJ...759L...8M NEATM
8.64 0.160 0.160 Masiero 2014ApJ...791..121M NEATM
9.29 0.141 0.141 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.205 0.0319 0.0319 Masiero 2011ApJ...741...68M NEATM
0.240 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.330 0.1300 0.1300 Masiero 2012ApJ...759L...8M 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
12.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.7904 3 Synodic Clark 2016MPBu...43..132C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.459 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
LS 0.64 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9354 0.9354 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT