1981 SD2

1981SD2, 19118, J81S02D

All data for this body: [vot]

MPC data
Name (number) 1981 SD2 (19118)
a 2.38468
e 0.13046
i / sin(i) 6.3974 / 0.11142
q 2.07356
Q 2.69579
ω 345.8242
Node 35.0037
m 126.6731
n 0.2676
Epoch 2460200.5
nobs 3096
nopp 21
Years observed 1981-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.385
ep 0.101
sin(ip) 0.100
Value Standard error
G 0.150
H 13.820
Mass
D 4.59 0.194
pV 0.231 0.0225
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3849 0.1011 0.1004 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.59 0.194 0.194 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.231 0.0225 0.0225 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
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot