1999 AO4

1999AO4, 16979, 1982 FG4, 1982FG4, 1991 LS, 1991LS, J82F04G, J91L00S, J99A04O

All data for this body: [vot]

MPC data
Name (number) 1999 AO4 (16979)
a 2.66989
e 0.23202
i / sin(i) 11.9994 / 0.20790
q 2.05043
Q 3.28935
ω 123.6935
Node 116.3476
m 282.6954
n 0.2259
Epoch 2460800.5
nobs 3659
nopp 23
Years observed 1982-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.672
ep 0.244
sin(ip) 0.198
G 0.150
H 13.690
Mass
D 8.36 1.692
pV 0.079 0.0370
Value
Rotational Period 3.840
Period quality 2
Spectral Class S
Spectral Class Score 3.816
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6719 0.2437 0.1980 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.94 2.330 2.330 Masiero 2020PSJ.....1....5M NEATM
8.82 2.460 2.460 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
0.090 0.0580 0.0580 Masiero 2020PSJ.....1....5M 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.845 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.845257 2 Sidereal Durech 2020A&A...643A..59D Model
3.84529 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.636 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT