Freeman

04159, 1937 NT, 1937NT, 1938 WH, 1938WH, 1940 GM, 1940GM, 1957 LO, 1957LO, 1977 LN, 1977LN, 1989 GK, 1989GK, J37N00T, J38W00H, J40G00M, J57L00O, J77L00N, J89G00K

All data for this body: [vot]

MPC data
Name (number) Freeman (4159)
a 2.54874
e 0.07457
i / sin(i) 15.2099 / 0.26236
q 2.35868
Q 2.73881
ω 312.3447
Node 91.1771
m 110.1294
n 0.2422
Epoch 2460800.5
nobs 4548
nopp 32
Years observed 1940-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.549
ep 0.067
sin(ip) 0.247
G 0.150
H 11.210
Mass
D 18.12 0.300
pV 0.205 0.0090
Value
Rotational Period 4.402
Period quality 3
Spectral Class S
Spectral Class Score 26.383
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5493 0.0669 0.2469 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.50 3.100 3.100 Ali-Lagoa 2018A&A...612A..85A NEATM
15.66 5.020 5.020 Nugent 2016AJ....152...63N NEATM
17.28 1.730 1.730 Ali-Lagoa 2018A&A...612A..85A NEATM
17.31 1.000 1.000 Tedesco 2002AJ....123.1056T STM
17.53 0.350 0.350 Usui 2011PASJ...63.1117U NEATM
18.20 2.241 2.241 Ryan&Woodward 2010AJ....140..933R IRAS-STM
22.97 0.879 0.879 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0124 0.0124 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.200 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.219 0.0440 0.0440 Ali-Lagoa 2018A&A...612A..85A NEATM
0.255 0.0150 0.0150 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.272 0.1090 0.1090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.282 0.0360 0.0360 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
11.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.393 3 Synodic Behrend LCDB Lightcurve
4.399 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.4021 3 Synodic Ditteon 2004MPBu...31...54D Lightcurve
4.403 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.405 3 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
L S 0.790000 0.210000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Xu 1995Icar..115....1X SPEC
S 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4626 0.4150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7555 0.4150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7708 0.4150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9249 0.4150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT