1999 XK12

1999XK12, 70964, J99X12K

All data for this body: [vot]

MPC data
Name (number) 1999 XK12 (70964)
a 2.57192
e 0.19770
i / sin(i) 13.4407 / 0.23244
q 2.06346
Q 3.08038
ω 262.6443
Node 112.7144
m 114.4421
n 0.2390
Epoch 2460800.5
nobs 2345
nopp 22
Years observed 1995-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.573
ep 0.149
sin(ip) 0.222
G 0.150
H 14.540
Mass
D 3.41 1.224
pV 0.381 0.1445
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.706
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 -0.5100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5730 0.1490 0.2223 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.41 1.224 1.224 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.381 0.1445 0.1445 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
14.54 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.4555 0.4555 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.951 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT