2001 SY8

2001SY8, 1989 EU3, 1989EU3, 57421, J89E03U, K01S08Y

All data for this body: [vot]

MPC data
Name (number) 2001 SY8 (57421)
a 2.76846
e 0.22240
i / sin(i) 7.9054 / 0.13754
q 2.15275
Q 3.38417
ω 209.9893
Node 196.2037
m 18.3081
n 0.2140
Epoch 2460800.5
nobs 1747
nopp 21
Years observed 1989-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.768
ep 0.195
sin(ip) 0.138
G 0.150
H 14.910
Mass
D 6.33 0.185
pV 0.064 0.0073
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 14.131
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 0 Dora Novakovic 2019EPSC...13.1671N HCM
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7685 0.1951 0.1375 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.32 1.420 1.420 Nugent 2016AJ....152...63N NEATM
5.46 1.322 1.322 Masiero 2017AJ....154..168M NEATM
6.23 2.020 2.020 Masiero 2012ApJ...759L...8M NEATM
6.37 0.189 0.189 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.063 0.0076 0.0076 Masiero 2011ApJ...741...68M NEATM
0.066 0.1050 0.1050 Masiero 2012ApJ...759L...8M NEATM
0.070 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.075 0.0331 0.0331 Masiero 2017AJ....154..168M 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
14.91 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
B C 0.5331 0.2120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.71 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.939 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.8462 0.2120 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT