1998 AD1

1998AD1, 2002 AT134, 2002AT134, J98A01D, K02AD4T, M1997

All data for this body: [vot]

MPC data
Name (number) 1998 AD1 (221997)
a 2.57280
e 0.20016
i / sin(i) 14.5692 / 0.25155
q 2.05784
Q 3.08777
ω 257.2076
Node 110.0173
m 304.0285
n 0.2388
Epoch 2460800.5
nobs 1080
nopp 19
Years observed 1998-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.572
ep 0.148
sin(ip) 0.241
G 0.150
H 15.640
Mass
D 2.21 0.241
pV 0.251 0.0971
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5724 0.1476 0.2412 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.21 0.241 0.241 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.251 0.0971 0.0971 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
15.64 MPC-2023-12-04 MPC-2023-12-04 Phot