Piyashiriyama

16466, 1979 WE6, 1979WE6, 1981 EQ49, 1981EQ49, 1990 FJ2, 1990FJ2, 1999 JU40, 1999JU40, J79W06E, J81E49Q, J90F02J, J99J40U

All data for this body: [vot]

MPC data
Name (number) Piyashiriyama (16466)
a 2.67741
e 0.11517
i / sin(i) 11.9875 / 0.20770
q 2.36904
Q 2.98578
ω 295.1002
Node 210.6093
m 45.9547
n 0.2250
Epoch 2460800.5
nobs 4748
nopp 28
Years observed 1949-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.677
ep 0.148
sin(ip) 0.220
G 0.150
H 12.790
Mass
D 8.20 1.225
pV 0.153 0.0546
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 0.5000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6771 0.1480 0.2195 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.36 2.620 2.620 Masiero 2012ApJ...759L...8M NEATM
7.09 1.670 1.670 Nugent 2016AJ....152...63N NEATM
8.72 2.480 2.480 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.130 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.135 0.0860 0.0860 Masiero 2012ApJ...759L...8M NEATM
0.200 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
12.79 MPC-2023-12-04 MPC-2023-12-04 Phot