1990 BS

1990BS, 07409, 1974 YN, 1974YN, 1992 SF26, 1992SF26, 1994 EY8, 1994EY8, J74Y00N, J90B00S, J92S26F, J94E08Y

All data for this body: [vot]

MPC data
Name (number) 1990 BS (7409)
a 2.38096
e 0.21354
i / sin(i) 3.3184 / 0.05788
q 1.87252
Q 2.88939
ω 341.8725
Node 58.1427
m 283.6232
n 0.2683
Epoch 2460800.5
nobs 3864
nopp 27
Years observed 1974-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.381
ep 0.191
sin(ip) 0.042
G 0.150
H 13.720
Mass
D 4.35 0.259
pV 0.447 0.1180
Value
Rotational Period 31.600
Period quality 2
Spectral Class S
Spectral Class Score 5.112
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.8900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3808 0.1914 0.0419 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.35 0.259 0.259 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.447 0.1180 0.1180 Masiero 2011ApJ...741...68M 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
13.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
31.61 2 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.852 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT