1998 HL43

1998HL43, 17834, 1969 UE2, 1969UE2, 1990 VQ9, 1990VQ9, 1999 NG, 1999NG, J69U02E, J90V09Q, J98H43L, J99N00G

All data for this body: [vot]

MPC data
Name (number) 1998 HL43 (17834)
a 2.99968
e 0.08125
i / sin(i) 9.6754 / 0.16807
q 2.75594
Q 3.24342
ω 253.4074
Node 201.0862
m 189.4364
n 0.1897
Epoch 2460800.5
nobs 3980
nopp 26
Years observed 1969-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.998
ep 0.086
sin(ip) 0.176
G 0.150
H 13.020
Mass
D 8.64 0.182
pV 0.197 0.0472
Value
Rotational Period 21.260
Period quality 2
Spectral Class L
Spectral Class Score 16.224
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 -0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9979 0.0865 0.1762 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.64 0.182 0.182 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.197 0.0472 0.0472 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
13.02 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.265 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
21.284 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.275 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L 0.90 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.3575 0.3860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.4994 0.3860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.5720 0.3860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.7001 0.3860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT