1990 TS4

1990TS4, 12273, 1988 FR1, 1988FR1, 1990 UN11, 1990UN11, 1996 BB18, 1996BB18, J88F01R, J90T04S, J90U11N, J96B18B

All data for this body: [vot]

MPC data
Name (number) 1990 TS4 (12273)
a 2.63578
e 0.06373
i / sin(i) 10.0207 / 0.17400
q 2.46779
Q 2.80376
ω 298.9802
Node 101.1208
m 20.7243
n 0.2303
Epoch 2460800.5
nobs 6041
nopp 25
Years observed 1988-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.635
ep 0.049
sin(ip) 0.158
G 0.150
H 13.650
Mass
D 11.29 0.025
pV 0.084 0.0080
Value
Rotational Period 4.072
Period quality 2
Spectral Class X
Spectral Class Score 3.636
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6355 0.0492 0.1577 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.29 0.025 0.025 Masiero 2011ApJ...741...68M NEATM
12.08 0.920 0.920 Usui 2011PASJ...63.1117U NEATM
12.52 2.500 2.500 Ali-Lagoa 2018A&A...612A..85A NEATM
9.22 1.830 1.830 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.055 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.087 0.0087 0.0087 Masiero 2011ApJ...741...68M NEATM
0.100 0.0450 0.0450 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
13.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.07224 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
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
CX 0.34 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.606 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT