1999 XB89

1999XB89, 1998 UK18, 1998UK18, 45126, J98U18K, J99X89B

All data for this body: [vot]

MPC data
Name (number) 1999 XB89 (45126)
a 2.97194
e 0.04492
i / sin(i) 9.3121 / 0.16181
q 2.83844
Q 3.10544
ω 327.6960
Node 261.0982
m 224.0262
n 0.1924
Epoch 2460800.5
nobs 1707
nopp 21
Years observed 1998-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.966
ep 0.079
sin(ip) 0.181
G 0.150
H 14.280
Mass
D 5.84 0.301
pV 0.143 0.0232
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 2.234
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.6700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9663 0.0794 0.1811 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.84 0.301 0.301 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.143 0.0232 0.0232 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
14.28 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 0.3724 0.3724 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT