Semashko

04811, 1973 SO3, 1973SO3, 1979 FK3, 1979FK3, 1983 RS1, 1983RS1, J73S03O, J79F03K, J83R01S

All data for this body: [vot]

MPC data
Name (number) Semashko (4811)
a 2.24776
e 0.18245
i / sin(i) 5.0539 / 0.08809
q 1.83766
Q 2.65786
ω 275.7103
Node 8.8661
m 175.0045
n 0.2925
Epoch 2460800.5
nobs 4676
nopp 29
Years observed 1955-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.246
ep 0.154
sin(ip) 0.087
G 0.150
H 14.140
Mass
D 3.99 0.022
pV 0.236 0.0240
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2464 0.1540 0.0870 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.77 0.090 0.090 Masiero 2014ApJ...791..121M NEATM
4.01 0.023 0.023 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.0401 0.0401 Masiero 2011ApJ...741...68M NEATM
0.250 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
14.14 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT