1989 TU1

1989TU1, 15243, 1997 ND8, 1997ND8, J89T01U, J97N08D

All data for this body: [vot]

MPC data
Name (number) 1989 TU1 (15243)
a 2.66588
e 0.28939
i / sin(i) 6.7075 / 0.11680
q 1.89441
Q 3.43735
ω 161.1206
Node 260.0840
m 39.4060
n 0.2264
Epoch 2460800.5
nobs 3513
nopp 23
Years observed 1989-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.669
ep 0.260
sin(ip) 0.128
G 0.150
H 13.710
Mass
D 9.65 0.284
pV 0.087 0.0134
Value
Rotational Period 215.000
Period quality 2
Spectral Class X
Spectral Class Score 5.958
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6687 0.2601 0.1276 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.67 2.771 2.771 Masiero 2017AJ....154..168M NEATM
8.04 2.540 2.540 Masiero 2021PSJ.....2..162M NEATM
9.65 0.290 0.290 Masiero 2011ApJ...741...68M NEATM
9.81 2.010 2.010 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.078 0.0357 0.0357 Masiero 2017AJ....154..168M NEATM
0.083 0.0370 0.0670 Masiero 2021PSJ.....2..162M NEATM
0.091 0.0158 0.0158 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
13.71 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
215.05 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Cgx Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.993 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT