Thraen

04098, 1958 XZ, 1958XZ, 1977 DP1, 1977DP1, 1981 WM8, 1981WM8, 1987 WQ1, 1987WQ1, 1987 YB1, 1987YB1, J58X00Z, J77D01P, J81W08M, J87W01Q, J87Y01B

All data for this body: [vot]

MPC data
Name (number) Thraen (4098)
a 3.21999
e 0.12851
i / sin(i) 2.9334 / 0.05117
q 2.80618
Q 3.63380
ω 12.1115
Node 99.3099
m 139.9910
n 0.1706
Epoch 2460800.5
nobs 3780
nopp 29
Years observed 1958-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.206
ep 0.152
sin(ip) 0.030
G 0.150
H 13.160
Mass
D 13.85 2.160
pV 0.064 0.0480
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.940
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.7700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2059 0.1519 0.0297 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.85 2.160 2.160 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0480 0.0480 Masiero 2012ApJ...759L...8M 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
13.16 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 C 0.8234 0.8234 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT