1990 SY2

1990SY2, 07762, 1976 YK4, 1976YK4, 1990 SD29, 1990SD29, 1995 UD6, 1995UD6, J76Y04K, J90S02Y, J90S29D, J95U06D

All data for this body: [vot]

MPC data
Name (number) 1990 SY2 (7762)
a 2.84854
e 0.07286
i / sin(i) 3.2331 / 0.05640
q 2.64100
Q 3.05608
ω 295.4189
Node 106.2436
m 46.7437
n 0.2050
Epoch 2460800.5
nobs 4203
nopp 28
Years observed 1976-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.847
ep 0.045
sin(ip) 0.037
G 0.150
H 13.070
Mass
D
pV
Value
Rotational Period 5.457
Period quality 2
Spectral Class K
Spectral Class Score 2.736
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.3900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8467 0.0447 0.0370 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
13.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.457108 2 Sidereal Durech 2020A&A...643A..59D Model
5.45712 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
K 0.456 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L&D V DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT