1998 UF21

1998UF21, 12918, 1982 VB2, 1982VB2, 2016 FL6, 2016FL6, J82V02B, J98U21F, K16F06L

All data for this body: [vot]

MPC data
Name (number) 1998 UF21 (12918)
a 3.00848
e 0.05794
i / sin(i) 11.3804 / 0.19732
q 2.83417
Q 3.18279
ω 223.1557
Node 46.2911
m 171.1563
n 0.1889
Epoch 2460800.5
nobs 5335
nopp 25
Years observed 1982-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.003
ep 0.079
sin(ip) 0.186
G 0.150
H 12.120
Mass
D 13.55 0.091
pV 0.127 0.0246
Value
Rotational Period 22.370
Period quality 2
Spectral Class X
Spectral Class Score 4.812
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 -0.6400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0026 0.0790 0.1856 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.55 0.091 0.091 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.127 0.0246 0.0246 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
12.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
22.378 2 Synodic McNeill 2019ApJS..245...29M Lightcurve
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
K K 0.4632 0.4632 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.802 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
XL 0.55 Bus VIS Carvano 2010A&A...510A..43C PHOT