Erb

05621, 1955 ST2, 1955ST2, 1990 SG4, 1990SG4, J55S02T, J90S04G

All data for this body: [vot]

MPC data
Name (number) Erb (5621)
a 2.30202
e 0.38632
i / sin(i) 5.5457 / 0.09664
q 1.41270
Q 3.19135
ω 5.1705
Node 278.8857
m 1.2980
n 0.2822
Epoch 2460800.5
nobs 6032
nopp 26
Years observed 1955-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.372
ep 0.367
sin(ip) 0.102
G 0.150
H 14.300
Mass
D 4.21 0.456
pV 0.246 0.0527
Value
Rotational Period 8.020
Period quality 3
Spectral Class S
Spectral Class Score 1.824
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3721 0.3667 0.1024 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.00 0.600 0.600 Ali-Lagoa 2017A&A...603A..55A NEATM
4.50 0.700 0.700 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.220 0.0700 0.0700 Ali-Lagoa 2017A&A...603A..55A NEATM
0.280 0.0800 0.0800 Ali-Lagoa 2017A&A...603A..55A 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
14.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.027 3- Synodic Skiff LCDB Lightcurve
8.027 3 Synodic Skiff 2023MPBu...50...74S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.304 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT