Alku

03037, 1944 BA, 1944BA, 1979 BH, 1979BH, J44B00A, J79B00H

All data for this body: [vot]

MPC data
Name (number) Alku (3037)
a 2.67519
e 0.18632
i / sin(i) 19.0076 / 0.32569
q 2.17676
Q 3.17362
ω 331.2038
Node 107.7172
m 238.9729
n 0.2253
Epoch 2460800.5
nobs 4036
nopp 30
Years observed 1944-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.675
ep 0.220
sin(ip) 0.301
G 0.150
H 11.800
Mass
D 28.19 0.147
pV 0.061 0.0036
Value
Rotational Period 11.840
Period quality 3
Spectral Class C
Spectral Class Score 18.950
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6745 0.2200 0.3013 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.54 0.573 0.573 Ryan&Woodward 2010AJ....140..933R IRAS-STM
18.91 0.800 0.800 Tedesco 2002AJ....123.1056T STM
21.77 6.630 6.630 Masiero 2020PSJ.....1....5M NEATM
23.10 7.190 7.190 Nugent 2016AJ....152...63N NEATM
23.37 4.670 4.670 Ali-Lagoa 2018A&A...612A..85A NEATM
25.06 1.621 1.621 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
26.44 0.610 0.610 Usui 2011PASJ...63.1117U NEATM
29.23 14.730 14.730 Nugent 2016AJ....152...63N NEATM
29.29 0.302 0.302 Masiero 2011ApJ...741...68M NEATM
29.41 7.070 7.070 Masiero 2020PSJ.....1....5M NEATM
29.88 0.190 0.190 Masiero 2014ApJ...791..121M NEATM
31.84 11.180 11.180 Masiero 2021PSJ.....2..162M NEATM
31.99 3.200 3.200 Ali-Lagoa 2018A&A...612A..85A NEATM
35.54 11.310 11.310 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.029 0.0120 0.0210 Masiero 2021PSJ.....2..162M NEATM
0.034 0.0090 0.0090 Masiero 2011ApJ...741...68M NEATM
0.035 0.0190 0.0190 Masiero 2020PSJ.....1....5M NEATM
0.035 0.0180 0.0400 Masiero 2021PSJ.....2..162M NEATM
0.038 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.047 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.065 0.0085 0.0085 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.072 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A NEATM
0.113 0.0110 0.0110 Tedesco 2002AJ....123.1056T STM
0.168 0.0126 0.0126 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
11.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.844 3 Synodic Warner 2005MPBu...32...54W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus-DeMeo VISNIR Hasegawa 2021PASJ...73..240H PHOT
C Bus VIS Bus 2002Icar..158..146B SPEC
C 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
P 0.820000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT