Steyaert

03788, 1975 EZ1, 1975EZ1, 1977 TH6, 1977TH6, 1982 UJ1, 1982UJ1, 1986 QM3, 1986QM3, J75E01Z, J77T06H, J82U01J, J86Q03M

All data for this body: [vot]

MPC data
Name (number) Steyaert (3788)
a 2.79430
e 0.10248
i / sin(i) 9.6840 / 0.16821
q 2.50793
Q 3.08067
ω 106.4317
Node 135.0415
m 192.1887
n 0.2110
Epoch 2460800.5
nobs 9738
nopp 33
Years observed 1954-2025
rms 0.45
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.792
ep 0.126
sin(ip) 0.157
G 0.150
H 12.350
Mass
D 9.80 0.240
pV 0.320 0.0550
Value
Rotational Period 18.460
Period quality 2
Spectral Class S
Spectral Class Score 41.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion 0.4200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7923 0.1264 0.1567 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.80 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.0550 0.0550 Masiero 2012ApJ...759L...8M 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
12.35 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.467 2 Synodic Owings 2019MPBu...46..272O Lightcurve
29.966 2 Sidereal Durech 2018A&A...620A..91D Model
29.966 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT