1999 NA8

1999NA8, 38214, J99N08A

All data for this body: [vot]

MPC data
Name (number) 1999 NA8 (38214)
a 2.32868
e 0.18655
i / sin(i) 1.2010 / 0.02096
q 1.89426
Q 2.76310
ω 86.1961
Node 176.3304
m 123.6252
n 0.2774
Epoch 2460800.5
nobs 1878
nopp 22
Years observed 1991-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.329
ep 0.186
sin(ip) 0.023
G 0.150
H 15.690
Mass
D 2.10 0.505
pV 0.279 0.1369
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 17.959
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3289 0.1864 0.0229 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.10 0.505 0.505 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.279 0.1369 0.1369 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
15.69 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
S 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5206 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5709 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8284 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT