2001 QT197

2001QT197, 1987 SA23, 1987SA23, 88550, J87S23A, K01QJ7T

All data for this body: [vot]

MPC data
Name (number) 2001 QT197 (88550)
a 2.74918
e 0.17894
i / sin(i) 5.8825 / 0.10249
q 2.25725
Q 3.24112
ω 127.0317
Node 257.6894
m 67.2532
n 0.2162
Epoch 2460800.5
nobs 2049
nopp 20
Years observed 1987-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.749
ep 0.139
sin(ip) 0.123
G 0.150
H 14.570
Mass
D 4.45 0.155
pV 0.204 0.0591
Value
Rotational Period 7.230
Period quality 2
Spectral Class S
Spectral Class Score 1.602
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7491 0.1394 0.1226 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.45 0.155 0.155 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.0591 0.0591 Masiero 2011ApJ...741...68M 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
14.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.234 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.267 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT