1998 UK21

1998UK21, 2001 LL3, 2001LL3, 52987, J98U21K, K01L03L

All data for this body: [vot]

MPC data
Name (number) 1998 UK21 (52987)
a 2.29056
e 0.18414
i / sin(i) 4.8052 / 0.08377
q 1.86877
Q 2.71235
ω 50.2435
Node 280.4365
m 271.7795
n 0.2843
Epoch 2460800.5
nobs 2691
nopp 23
Years observed 1953-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.291
ep 0.138
sin(ip) 0.098
G 0.150
H 15.350
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.292
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.4700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 1.1300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2907 0.1376 0.0984 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.35 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
S 0.882 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT