Machin

03109, 1924 EB, 1924EB, 1930 YL, 1930YL, 1936 HA, 1936HA, 1956 SB, 1956SB, 1964 VF1, 1964VF1, 1974 DC, 1974DC, 1974 DO1, 1974DO1, 1974 FB1, 1974FB1, 1978 GZ2, 1978GZ2, 1979 OQ14, 1979OQ14, 1982 FO3, 1982FO3, J24E00B, J30Y00L, J36H00A, J56S00B, J64V01F, J74D00C, J74D01O, J74F01B, J78G02Z, J79O14Q, J82F03O

All data for this body: [vot]

MPC data
Name (number) Machin (3109)
a 2.45099
e 0.08962
i / sin(i) 7.1855 / 0.12508
q 2.23133
Q 2.67064
ω 255.9889
Node 22.7244
m 6.6137
n 0.2569
Epoch 2460800.5
nobs 4867
nopp 37
Years observed 1924-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.451
ep 0.081
sin(ip) 0.121
G 0.150
H 12.190
Mass
D 23.95 0.092
pV 0.052 0.0021
Value
Rotational Period 20.000
Period quality 2
Spectral Class P
Spectral Class Score 6.650
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4515 0.0812 0.1208 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.04 4.820 4.820 Masiero 2020PSJ.....1....5M NEATM
19.53 4.720 4.720 Nugent 2016AJ....152...63N NEATM
20.12 6.240 6.240 Masiero 2021PSJ.....2..162M NEATM
20.85 6.140 6.140 Masiero 2021PSJ.....2..162M NEATM
21.37 8.180 8.180 Nugent 2016AJ....152...63N NEATM
21.49 5.900 5.900 Masiero 2021PSJ.....2..162M NEATM
21.60 6.577 6.577 Masiero 2017AJ....154..168M NEATM
22.94 1.000 1.000 Tedesco 2002AJ....123.1056T STM
23.67 0.110 0.110 Masiero 2014ApJ...791..121M NEATM
23.96 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
23.99 0.940 0.940 Ryan&Woodward 2010AJ....140..933R IRAS-STM
24.09 2.410 2.410 Ali-Lagoa 2018A&A...612A..85A NEATM
24.13 0.370 0.370 Usui 2011PASJ...63.1117U NEATM
24.70 4.940 4.940 Ali-Lagoa 2018A&A...612A..85A NEATM
25.55 0.264 0.264 Masiero 2011ApJ...741...68M NEATM
27.02 2.351 2.351 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0027 0.0027 Masiero 2011ApJ...741...68M NEATM
0.045 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0306 0.0306 Masiero 2017AJ....154..168M NEATM
0.047 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.049 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM
0.049 0.0210 0.0380 Masiero 2021PSJ.....2..162M NEATM
0.050 0.1900 0.1900 Nugent 2016AJ....152...63N NEATM
0.051 0.0230 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.058 0.0109 0.0109 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.058 0.0250 0.0440 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.063 0.0440 0.0440 Masiero 2020PSJ.....1....5M NEATM
0.070 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.070 0.0056 0.0056 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.077 0.0070 0.0070 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
12.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.2908 2 Sidereal Durech 2020A&A...643A..59D Model
20.2908 2 Sidereal Durech 2023A&A...675A..24D Model
20.2912 2 Sidereal Durech 2018A&A...617A..57D Model
20.3 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
P 0.950000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X Tholen VIS Xu 1995Icar..115....1X SPEC