1997 AO4

1997AO4, 11639, 1991 YJ2, 1991YJ2, J91Y02J, J97A04O

All data for this body: [vot]

MPC data
Name (number) 1997 AO4 (11639)
a 2.74100
e 0.10652
i / sin(i) 5.8977 / 0.10275
q 2.44904
Q 3.03297
ω 186.9779
Node 124.7839
m 130.2618
n 0.2172
Epoch 2460200.5
nobs 3600
nopp 24
Years observed 1991-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent Nemesis (128)
 
ap 2.742
ep 0.089
sin(ip) 0.085
Value Standard error
G 0.150
H 13.590
Mass
D 9.47 0.217
pV 0.103 0.0125
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
128 Nemesis 504 Nemesis -0.7000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7423 0.0890 0.0852 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.47 0.217 0.217 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.103 0.0125 0.0125 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
13.59 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.11 Pal 2020ApJS..247...26P Lightcurve
3.58 Chang 2016ApJS..227...20C Lightcurve