1989 SA

1989SA, 14374, 1981 WN8, 1981WN8, J81W08N, J89S00A

All data for this body: [vot]

MPC data
Name (number) 1989 SA (14374)
a 2.58763
e 0.19036
i / sin(i) 13.9385 / 0.24088
q 2.09504
Q 3.08022
ω 299.9494
Node 77.7962
m 45.7917
n 0.2368
Epoch 2460200.5
nobs 4143
nopp 21
Years observed 1976-2023
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.588
ep 0.148
sin(ip) 0.227
Value Standard error
G 0.150
H 13.560
Mass
D 5.66 0.031
pV 0.320 0.0388
Rotational Period 2.929
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.6700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5883 0.1482 0.2265 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.53 1.080 1.080 Nugent 2016AJ....152...63N NEATM
4.75 0.860 0.860 Masiero 2012ApJ...759L...8M NEATM
5.67 0.031 0.031 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.290 0.1700 0.1700 Nugent 2016AJ....152...63N NEATM
0.317 0.0409 0.0409 Masiero 2011ApJ...741...68M NEATM
0.410 0.1800 0.1800 Masiero 2012ApJ...759L...8M 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
13.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.93 Pal 2020ApJS..247...26P Lightcurve