1989 SY13

1989SY13, 14856, 1995 AD4, 1995AD4, J89S13Y, J95A04D

All data for this body: [vot]

MPC data
Name (number) 1989 SY13 (14856)
a 2.65651
e 0.10741
i / sin(i) 12.0463 / 0.20870
q 2.37117
Q 2.94184
ω 216.4070
Node 296.1164
m 322.2807
n 0.2276
Epoch 2460800.5
nobs 2362
nopp 22
Years observed 1989-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.655
ep 0.148
sin(ip) 0.226
G 0.150
H 14.280
Mass
D
pV
Value
Rotational Period 85.800
Period quality 2
Spectral Class X
Spectral Class Score 4.284
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 0.0900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6549 0.1480 0.2256 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.28 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
85.85 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.714 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT