Alekhin

01909, 1926 GU, 1926GU, 1930 KF, 1930KF, 1930 KM, 1930KM, 1934 NZ, 1934NZ, 1934 OC, 1934OC, 1941 FJ, 1941FJ, 1960 FD, 1960FD, 1969 UU, 1969UU, 1971 DL, 1971DL, 1972 RW2, 1972RW2, J26G00U, J30K00F, J30K00M, J34N00Z, J34O00C, J41F00J, J60F00D, J69U00U, J71D00L, J72R02W

All data for this body: [vot]

MPC data
Name (number) Alekhin (1909)
a 2.42153
e 0.22754
i / sin(i) 1.7994 / 0.03140
q 1.87052
Q 2.97254
ω 5.7512
Node 227.2852
m 65.8101
n 0.2616
Epoch 2460800.5
nobs 6954
nopp 41
Years observed 1926-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.422
ep 0.246
sin(ip) 0.045
G 0.150
H 12.890
Mass
D 18.70 0.038
pV 0.048 0.0015
Value
Rotational Period 148.000
Period quality 3
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4220 0.2463 0.0455 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.96 3.900 3.900 Masiero 2021PSJ.....2..162M NEATM
15.45 9.220 9.220 Masiero 2012ApJ...759L...8M NEATM
16.09 4.200 4.200 Masiero 2020PSJ.....1....5M NEATM
16.11 4.590 4.590 Masiero 2020PSJ.....1....5M NEATM
16.54 6.060 6.060 Nugent 2016AJ....152...63N NEATM
16.80 5.484 5.484 Masiero 2017AJ....154..168M NEATM
16.98 4.540 4.540 Nugent 2016AJ....152...63N NEATM
17.23 5.090 5.090 Masiero 2021PSJ.....2..162M NEATM
17.42 1.500 1.500 Tedesco 2002AJ....123.1056T STM
17.89 3.580 3.580 Ali-Lagoa 2018A&A...612A..85A NEATM
18.59 0.370 0.370 Usui 2011PASJ...63.1117U NEATM
18.68 0.040 0.040 Masiero 2014ApJ...791..121M NEATM
18.85 0.129 0.129 Masiero 2011ApJ...741...68M NEATM
19.43 0.629 0.629 Ryan&Woodward 2010AJ....140..933R IRAS-STM
19.45 1.940 1.940 Ali-Lagoa 2018A&A...612A..85A NEATM
21.00 2.226 2.226 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0220 0.0220 Masiero 2020PSJ.....1....5M NEATM
0.042 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.044 0.0260 0.0260 Masiero 2020PSJ.....1....5M NEATM
0.046 0.0018 0.0018 Masiero 2011ApJ...741...68M NEATM
0.048 0.0190 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.049 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0190 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.050 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.052 0.0087 0.0087 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.056 0.0037 0.0037 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.067 0.0830 0.0830 Masiero 2012ApJ...759L...8M NEATM
0.070 0.0445 0.0445 Masiero 2017AJ....154..168M NEATM
0.070 0.0140 0.0140 Tedesco 2002AJ....123.1056T 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
12.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
148.225 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
148.6 3 Synodic Dymock 2009MPBu...36..182D Lightcurve