Seinajoki

01521, 1933 UR1, 1933UR1, 1938 UB1, 1938UB1, 1967 UW, 1967UW, J33U01R, J38U01B, J67U00W

All data for this body: [vot]

MPC data
Name (number) Seinajoki (1521)
a 2.84870
e 0.13981
i / sin(i) 15.0322 / 0.25936
q 2.45041
Q 3.24699
ω 50.0911
Node 12.4237
m 335.5467
n 0.2050
Epoch 2460800.5
nobs 6773
nopp 33
Years observed 1938-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent Brasilia (293)
 
ap 2.850
ep 0.123
sin(ip) 0.260
G 0.150
H 12.010
Mass
D 15.50 0.048
pV 0.180 0.0084
Value
Rotational Period 4.300
Period quality 3
Spectral Class X
Spectral Class Score 5.988
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1521 Seinajoki 0 Seinajoki Novakovic 2019EPSC...13.1671N HCM
293 Brasilia 608 Brasilia 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8501 0.1234 0.2596 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
13.66 3.610 3.610 Nugent 2016AJ....152...63N NEATM
14.81 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
16.09 0.070 0.070 Masiero 2011ApJ...741...68M NEATM
16.29 0.200 0.200 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.116 0.0180 0.0180 Masiero 2012ApJ...759L...8M NEATM
0.173 0.0300 0.0300 Masiero 2011ApJ...741...68M NEATM
0.200 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.220 0.1200 0.1200 Nugent 2016AJ....152...63N 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
12.01 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.32 3 Synodic Durkee 2011MPBu...38...39D Lightcurve
4.328159 2 Sidereal Durech 2016A&A...587A..48D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT