Egal

1998 SW66, 1998SW66, 2002 FQ35, 2002FQ35, 99581, J98S66W, K02F35Q

All data for this body: [vot]

MPC data
Name (number) Egal (99581)
a 3.15426
e 0.31719
i / sin(i) 24.2604 / 0.41089
q 2.15375
Q 4.15476
ω 90.4522
Node 194.5776
m 229.3332
n 0.1759
Epoch 2460200.5
nobs 1241
nopp 18
Years observed 1998-2022
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Euphrosyne (31)
 
ap 3.168
ep 0.234
sin(ip) 0.449
Value Standard error
G 0.150
H 14.540
Mass
D 7.84 2.800
pV 0.048 0.0315
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 901 Euphrosyne Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1681 0.2338 0.4488 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.84 2.800 2.800 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0220 0.0410 Masiero 2021PSJ.....2..162M 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
14.54 MPC-2023-12-04 MPC-2023-12-04 Phot