1990 BU

1990BU, 05913, 1950 QB1, 1950QB1, 1967 UB, 1967UB, 1971 SR1, 1971SR1, 1984 WT1, 1984WT1, 1988 RO13, 1988RO13, J50Q01B, J67U00B, J71S01R, J84W01T, J88R13O, J90B00U

All data for this body: [vot]

MPC data
Name (number) 1990 BU (5913)
a 2.60160
e 0.18966
i / sin(i) 12.1046 / 0.20970
q 2.10817
Q 3.09503
ω 30.0061
Node 323.9603
m 272.9940
n 0.2349
Epoch 2460800.5
nobs 4042
nopp 29
Years observed 1950-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.602
ep 0.151
sin(ip) 0.222
G 0.150
H 12.260
Mass
D 10.92 3.970
pV 0.214 0.1580
Value
Rotational Period 52.000
Period quality 1
Spectral Class S
Spectral Class Score 15.994
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 -0.8500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6015 0.1511 0.2223 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.92 3.970 3.970 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.214 0.1580 0.1580 Masiero 2012ApJ...759L...8M 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
12.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
52.0 1 Synodic Behrend 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S None Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 1.0000 1.0000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT