1989 TH1

1989TH1, 13512, 1935 QR, 1935QR, 1962 SD, 1962SD, J35Q00R, J62S00D, J89T01H

All data for this body: [vot]

MPC data
Name (number) 1989 TH1 (13512)
a 2.71779
e 0.29046
i / sin(i) 8.1576 / 0.14190
q 1.92839
Q 3.50719
ω 47.2996
Node 343.3889
m 335.2183
n 0.2200
Epoch 2460800.5
nobs 5970
nopp 23
Years observed 1962-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.717
ep 0.244
sin(ip) 0.156
G 0.150
H 13.370
Mass
D 10.43 0.136
pV 0.099 0.0042
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 6.766
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7168 0.2443 0.1562 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.48 0.220 0.220 Masiero 2011ApJ...741...68M NEATM
11.01 1.100 1.100 Ali-Lagoa 2018A&A...612A..85A NEATM
11.19 0.280 0.280 Masiero 2011ApJ...741...68M NEATM
8.30 1.767 1.767 Masiero 2017AJ....154..168M NEATM
9.40 2.770 2.770 Masiero 2021PSJ.....2..162M NEATM
9.68 2.810 2.810 Masiero 2020PSJ.....1....5M NEATM
9.89 0.230 0.230 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.072 0.0290 0.0490 Masiero 2021PSJ.....2..162M NEATM
0.081 0.0540 0.0540 Masiero 2020PSJ.....1....5M NEATM
0.089 0.0101 0.0101 Masiero 2011ApJ...741...68M NEATM
0.096 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.102 0.0049 0.0049 Masiero 2011ApJ...741...68M NEATM
0.109 0.0537 0.0537 Masiero 2017AJ....154..168M 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
13.37 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.3010 0.5950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8266 0.5950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT