Alu

04104, 1953 JC, 1953JC, 1957 KK, 1957KK, 1977 FO3, 1977FO3, 1987 YR3, 1987YR3, 1988 AG2, 1988AG2, 1989 ED, 1989ED, J53J00C, J57K00K, J77F03O, J87Y03R, J88A02G, J89E00D

All data for this body: [vot]

MPC data
Name (number) Alu (4104)
a 2.54233
e 0.10774
i / sin(i) 15.6973 / 0.27056
q 2.26843
Q 2.81624
ω 243.2487
Node 52.0088
m 208.9758
n 0.2431
Epoch 2460800.5
nobs 4801
nopp 27
Years observed 1953-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.544
ep 0.086
sin(ip) 0.259
G 0.150
H 12.490
Mass
D 8.77 0.051
pV 0.237 0.0222
Value
Rotational Period 6.000
Period quality
Spectral Class S
Spectral Class Score 17.970
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1160 Illyria -1 Illyria -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
170 Maria 0 Maria Novakovic 2019EPSC...13.1671N HCM
170 Maria 506 Maria -0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5441 0.0861 0.2589 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.31 1.140 1.140 Masiero 2012ApJ...759L...8M NEATM
8.59 0.220 0.220 Masiero 2014ApJ...791..121M NEATM
8.78 0.053 0.053 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.230 0.0333 0.0333 Masiero 2011ApJ...741...68M NEATM
0.240 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.504 0.2760 0.2760 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
12.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.0 Synodic Kim 2014AJ....147...56K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K K 0.4256 0.4256 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.40 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Xu 1995Icar..115....1X SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S M 0.710000 0.140000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC