Lew Allen

LewAllen, 04125, 1987 MO, 1987MO, J87M00O

All data for this body: [vot]

MPC data
Name (number) Lew Allen (4125)
a 1.92132
e 0.11791
i / sin(i) 20.4432 / 0.34928
q 1.69478
Q 2.14785
ω 33.8375
Node 276.0070
m 69.8225
n 0.3701
Epoch 2460800.5
nobs 4923
nopp 23
Years observed 1979-2025
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.922
ep 0.131
sin(ip) 0.395
G 0.150
H 13.610
Mass
D 6.51 0.036
pV 0.160 0.0216
Value
Rotational Period 4.628
Period quality 3
Spectral Class A
Spectral Class Score 31.080
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9219 0.1308 0.3954 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.39 0.040 0.040 Masiero 2014ApJ...791..121M NEATM
6.94 0.081 0.081 Masiero 2011ApJ...741...68M NEATM
7.35 1.470 1.470 Ali-Lagoa 2018A&A...612A..85A NEATM
7.65 0.490 0.490 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.146 0.0358 0.0358 Masiero 2011ApJ...741...68M NEATM
0.158 0.0630 0.0630 Ali-Lagoa 2018A&A...612A..85A NEATM
0.170 0.0300 0.0300 Masiero 2014ApJ...791..121M 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
13.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.619 3 Synodic Warner 2015MPBu...42..108W Lightcurve
4.625 3 Synodic Warner 2010MPBu...37...57W Lightcurve
4.628 3- Synodic Warner 2007MPBu...34...32W Lightcurve
4.6283 3 Synodic Stephens 2020MPBu...47...50S Lightcurve
4.629 3 Synodic Warner 2012MPBu...39...16W Lightcurve
4.635 3 Synodic Stephens 2020MPBu...47...50S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A Bus-DeMeo NIR Lucas 2019Icar..322..227L SPEC
A Tholen VIS Lazzaro 2004Icar..172..179L SPEC
A 0.180 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Ld Bus VIS Lazzaro 2004Icar..172..179L SPEC
S Bus VIS Carvano 2001Icar..149..173C SPEC