1998 HJ118

1998HJ118, 1999 RR136, 1999RR136, 35597, J98HB8J, J99RD6R

All data for this body: [vot]

MPC data
Name (number) 1998 HJ118 (35597)
a 2.68505
e 0.09409
i / sin(i) 14.2581 / 0.24629
q 2.43241
Q 2.93769
ω 52.8937
Node 160.8742
m 51.0846
n 0.2240
Epoch 2460800.5
nobs 2469
nopp 22
Years observed 1998-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.686
ep 0.128
sin(ip) 0.240
G 0.150
H 14.600
Mass
D 3.31 0.866
pV 0.307 0.1174
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 11.677
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6857 0.1275 0.2403 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.31 0.866 0.866 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.307 0.1174 0.1174 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
14.60 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 0.940 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L S 0.4585 0.6400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L S 0.5477 0.6400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.63 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.9228 0.6400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT