Siyilee

1991 RK21, 1991RK21, 1998 WZ20, 1998WZ20, 27125, J91R21K, J98W20Z

All data for this body: [vot]

MPC data
Name (number) Siyilee (27125)
a 2.24755
e 0.16999
i / sin(i) 2.2432 / 0.03914
q 1.86548
Q 2.62961
ω 104.0209
Node 290.5828
m 321.1535
n 0.2925
Epoch 2460800.5
nobs 1383
nopp 22
Years observed 1991-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.248
ep 0.149
sin(ip) 0.051
G 0.150
H 15.620
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.267
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -1.5700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2476 0.1488 0.0515 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
15.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.8778 0.8778 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT