1981EJ18

16379, 1998FN141, J81E18J, J98FE1N

All data for this body: [vot]

MPC data
Name (number) 1981EJ18 (16379)
Packed designation 16379
a 3.15233
e 0.13306
i / sin(i) 4.5947 / 0.08011
q 2.73288
Q 3.57178
ω 106.7251
Node 341.5976
m 174.2956
n 0.1761
Epoch 2459600.5
nobs 1305
nopp 20
Years observed 1981-2021
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.162
ep 0.120
sin(ip) 0.092
Value Standard error
G 0.150
H 14.210
Mass
D 9.28 0.241
pV 0.057 0.0075
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1624 0.1200 0.0921 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.28 0.241 0.241 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0075 0.0075 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.21 MPC-2022-01-18 MPC-2022-01-18 Phot