1981 TZ

1981TZ, 08469, 1990 JD1, 1990JD1, 1995 YD24, 1995YD24, J81T00Z, J90J01D, J95Y24D

All data for this body: [vot]

MPC data
Name (number) 1981 TZ (8469)
a 2.80226
e 0.16184
i / sin(i) 9.1664 / 0.15930
q 2.34875
Q 3.25577
ω 351.1517
Node 357.1095
m 115.6200
n 0.2101
Epoch 2460800.5
nobs 4078
nopp 26
Years observed 1981-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.802
ep 0.129
sin(ip) 0.159
G 0.150
H 12.980
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class Q
Spectral Class Score 1.740
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion 0.6300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8020 0.1289 0.1591 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
12.98 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
Q 0.290 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT