1089 T-1

1089T-1, 17315, 1979 WK, 1979WK, J79W00K, T1S1089

All data for this body: [vot]

MPC data
Name (number) 1089 T-1 (17315)
a 3.08198
e 0.04865
i / sin(i) 9.2081 / 0.16002
q 2.93205
Q 3.23190
ω 120.3114
Node 346.0570
m 73.0411
n 0.1822
Epoch 2460800.5
nobs 2549
nopp 23
Years observed 1971-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.081
ep 0.071
sin(ip) 0.169
G 0.150
H 13.620
Mass
D 8.01 0.565
pV 0.158 0.0342
Value
Rotational Period 3.931
Period quality 2
Spectral Class Bk
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos 0.8500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0811 0.0709 0.1689 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.01 0.565 0.565 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.158 0.0342 0.0342 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
13.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.93098 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
Bk Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT