1998 HN23

1998HN23, 37948, J98H23N

All data for this body: [vot]

MPC data
Name (number) 1998 HN23 (37948)
a 2.58410
e 0.06430
i / sin(i) 14.6180 / 0.25237
q 2.41795
Q 2.75024
ω 207.1808
Node 60.5943
m 129.9916
n 0.2373
Epoch 2460800.5
nobs 2788
nopp 19
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.584
ep 0.079
sin(ip) 0.238
G 0.150
H 14.230
Mass
D 4.07 0.071
pV 0.293 0.0398
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 2.424
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
170 Maria 506 Maria 0.2600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5844 0.0787 0.2377 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.07 0.071 0.071 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.293 0.0398 0.0398 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
14.23 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
L 0.404 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT