Henryfong

18979, 1982 JW2, 1982JW2, 1986 HW, 1986HW, 1999 NN50, 1999NN50, 2000 RC2, 2000RC2, J82J02W, J86H00W, J99N50N, K00R02C

All data for this body: [vot]

MPC data
Name (number) Henryfong (18979)
a 2.60215
e 0.02825
i / sin(i) 3.7940 / 0.06617
q 2.52864
Q 2.67567
ω 17.7103
Node 180.8560
m 118.6840
n 0.2348
Epoch 2460800.5
nobs 3078
nopp 24
Years observed 1982-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.602
ep 0.100
sin(ip) 0.067
G 0.150
H 14.110
Mass
D 4.92 0.337
pV 0.153 0.0196
Value
Rotational Period
Period quality None
Spectral Class Kl
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6023 0.0998 0.0672 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.92 0.337 0.337 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.153 0.0196 0.0196 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
14.11 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
Kl Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT