Armstrong

06469, 1969 UK1, 1969UK1, 1972 NN, 1972NN, 1979 WZ6, 1979WZ6, 1982 PC, 1982PC, 1982 QL, 1982QL, J69U01K, J72N00N, J79W06Z, J82P00C, J82Q00L

All data for this body: [vot]

MPC data
Name (number) Armstrong (6469)
a 2.21968
e 0.20392
i / sin(i) 3.9590 / 0.06904
q 1.76705
Q 2.67232
ω 150.4943
Node 159.3666
m 341.0949
n 0.2980
Epoch 2460800.5
nobs 3378
nopp 26
Years observed 1969-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.220
ep 0.150
sin(ip) 0.060
G 0.150
H 14.570
Mass
D 3.42 0.319
pV 0.251 0.0366
Value
Rotational Period 5.960
Period quality 2
Spectral Class S
Spectral Class Score 34.201
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2197 0.1502 0.0605 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.84 0.550 0.550 Nugent 2016AJ....152...63N NEATM
3.72 0.392 0.392 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.243 0.0393 0.0393 Masiero 2011ApJ...741...68M NEATM
0.300 0.1000 0.1000 Nugent 2016AJ....152...63N 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
14.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.965 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
6.01686 2 Sidereal Durech 2018A&A...617A..57D Model
6.04 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.464 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.83 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.1895 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5344 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6399 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6589 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7930 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8832 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9273 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.6031 0.6640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT