1999 FH4

1999FH4, 1974 QN2, 1974QN2, 2000 GJ90, 2000GJ90, 2016 EW202, 2016EW202, 26377, J74Q02N, J99F04H, K00G90J, K16EK2W

All data for this body: [vot]

MPC data
Name (number) 1999 FH4 (26377)
a 3.11339
e 0.32587
i / sin(i) 17.6839 / 0.30377
q 2.09882
Q 4.12797
ω 186.0447
Node 168.8551
m 72.9091
n 0.1794
Epoch 2460800.5
nobs 3088
nopp 24
Years observed 1974-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.105
ep 0.311
sin(ip) 0.268
G 0.150
H 12.850
Mass
D 7.63 0.907
pV 0.159 0.0361
Value
Rotational Period 6.775
Period quality 3
Spectral Class L
Spectral Class Score 5.796
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1052 0.3109 0.2675 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.63 0.907 0.907 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.159 0.0361 0.0361 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
12.85 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.7754 2 Sidereal Durech 2023A&A...675A..24D Model
6.7755 3 Synodic Owings 2019MPBu...46..272O Lightcurve
6.78 3 Synodic Rowe 2019MPBu...46..353R Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.966 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT