Westerlund

02902, 1968 UF2, 1968UF2, 1980 FN3, 1980FN3, 1981 SB, 1981SB, J68U02F, J80F03N, J81S00B

All data for this body: [vot]

MPC data
Name (number) Westerlund (2902)
a 2.20319
e 0.19898
i / sin(i) 4.3781 / 0.07634
q 1.76479
Q 2.64158
ω 159.0107
Node 178.3301
m 135.4587
n 0.3014
Epoch 2460800.5
nobs 4212
nopp 26
Years observed 1968-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.203
ep 0.129
sin(ip) 0.072
G 0.150
H 14.090
Mass
D 4.22 0.089
pV 0.224 0.0332
Value
Rotational Period 30.000
Period quality 1
Spectral Class S
Spectral Class Score 6.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2034 0.1291 0.0720 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.12 0.099 0.099 Masiero 2011ApJ...741...68M NEATM
4.64 0.200 0.200 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.181 0.0564 0.0564 Masiero 2011ApJ...741...68M NEATM
0.247 0.0410 0.0410 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
14.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
30.0 1 Synodic Owings 2018MPBu...45..227O Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
R S 0.470000 0.440000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Sq Bus VIS Bus 2002Icar..158..146B SPEC