1999 XE120

1999XE120, 1998 QQ71, 1998QQ71, 43155, J98Q71Q, J99XC0E

All data for this body: [vot]

MPC data
Name (number) 1999 XE120 (43155)
a 2.98116
e 0.06714
i / sin(i) 9.1394 / 0.15884
q 2.78101
Q 3.18132
ω 285.0177
Node 259.0197
m 217.1097
n 0.1915
Epoch 2460800.5
nobs 2426
nopp 23
Years observed 1998-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.984
ep 0.097
sin(ip) 0.180
G 0.150
H 13.740
Mass
D 6.27 0.231
pV 0.196 0.0105
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.262
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.6000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9836 0.0974 0.1797 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.27 0.231 0.231 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.196 0.0105 0.0105 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
13.74 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
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.877 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
XL 0.24 Bus VIS Carvano 2010A&A...510A..43C PHOT