Steel

04713, 1989 QL, 1989QL, J89Q00L

All data for this body: [vot]

MPC data
Name (number) Steel (4713)
a 1.92678
e 0.07345
i / sin(i) 22.6711 / 0.38544
q 1.78526
Q 2.06831
ω 152.4414
Node 101.3860
m 188.6335
n 0.3685
Epoch 2460800.5
nobs 3860
nopp 23
Years observed 1976-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.926
ep 0.097
sin(ip) 0.329
G 0.150
H 13.230
Mass
D 6.23 0.010
pV 0.365 0.0214
Value
Rotational Period 5.190
Period quality 3
Spectral Class Sw
Spectral Class Score 42.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9264 0.0970 0.3285 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.60 0.870 0.870 Nugent 2016AJ....152...63N NEATM
5.62 0.530 0.530 Usui 2011PASJ...63.1117U NEATM
5.83 1.170 1.170 Ali-Lagoa 2018A&A...612A..85A NEATM
6.08 0.030 0.030 Masiero 2011ApJ...741...68M NEATM
6.13 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
6.25 0.011 0.011 Masiero 2011ApJ...741...68M NEATM
6.29 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.278 0.1110 0.1110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.347 0.0386 0.0386 Masiero 2011ApJ...741...68M NEATM
0.364 0.0853 0.0853 Masiero 2011ApJ...741...68M NEATM
0.370 0.1500 0.1500 Nugent 2016AJ....152...63N NEATM
0.380 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.380 0.0400 0.0400 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
13.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.186 3 Synodic Behrend LCDB Lightcurve
5.193 3 Synodic Warner 2012MPBu...39...69W Lightcurve
5.1963 3 Synodic Warner 2018MPBu...45..380W Lightcurve
5.199 3 Synodic Warner 2010MPBu...37..161W Lightcurve
5.19936 2 Sidereal Durech 2020A&A...643A..59D Model
5.19936 2 Sidereal Wang 2021AN....342..914W Model
5.203 3 Synodic Warner 2015MPBu...42..108W 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 VIS Bus 2002Icar..158..146B SPEC
A Tholen VIS Lazzaro 2004Icar..172..179L SPEC
L E 0.410000 0.410000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S Bus VIS Carvano 2001Icar..149..173C SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC
Sw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Sw Bus-DeMeo VISNIR Lucas 2019Icar..322..227L SPEC