Alain

01969, 1930 FZ, 1930FZ, 1935 CG, 1935CG, 1952 HW3, 1952HW3, 1952 KH1, 1952KH1, J30F00Z, J35C00G, J52H03W, J52K01H

All data for this body: [vot]

MPC data
Name (number) Alain (1969)
a 3.08743
e 0.15744
i / sin(i) 3.3389 / 0.05824
q 2.60135
Q 3.57351
ω 346.3410
Node 209.1508
m 170.8024
n 0.1817
Epoch 2460800.5
nobs 6046
nopp 37
Years observed 1930-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.094
ep 0.190
sin(ip) 0.068
G 0.150
H 12.030
Mass
D 22.72 0.274
pV 0.068 0.0065
Value
Rotational Period 32.000
Period quality 2
Spectral Class C
Spectral Class Score 4.727
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0940 0.1898 0.0682 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.59 4.860 4.860 Masiero 2020PSJ.....1....5M NEATM
21.80 0.690 0.690 Masiero 2012ApJ...759L...8M NEATM
22.24 4.450 4.450 Ali-Lagoa 2018A&A...612A..85A NEATM
22.84 0.460 0.460 Usui 2011PASJ...63.1117U NEATM
22.89 0.406 0.406 Masiero 2011ApJ...741...68M NEATM
23.68 2.370 2.370 Ali-Lagoa 2018A&A...612A..85A NEATM
24.37 2.400 2.400 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM
0.061 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.068 0.0160 0.0160 Tedesco 2002AJ....123.1056T STM
0.069 0.0280 0.0280 Ali-Lagoa 2018A&A...612A..85A NEATM
0.071 0.0130 0.0130 Masiero 2012ApJ...759L...8M NEATM
0.077 0.0146 0.0146 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
12.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
27.249 2 Sidereal Durech 2018A&A...617A..57D Model
32.4 2- Synodic Hayes 2018MPBu...45....1H Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.249 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.7879 0.7879 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Cgx Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT