1998 BT23

1998BT23, 1978 UC8, 1978UC8, 2000 LZ25, 2000LZ25, 29539, J78U08C, J98B23T, K00L25Z

All data for this body: [vot]

MPC data
Name (number) 1998 BT23 (29539)
a 3.23065
e 0.14092
i / sin(i) 0.4648 / 0.00811
q 2.77538
Q 3.68593
ω 183.6772
Node 147.3244
m 47.3264
n 0.1697
Epoch 2460800.5
nobs 2130
nopp 23
Years observed 1978-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.213
ep 0.147
sin(ip) 0.018
G 0.150
H 13.990
Mass
D 8.66 0.329
pV 0.086 0.0044
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 7.858
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 0.6100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2130 0.1466 0.0177 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.66 0.329 0.329 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.086 0.0044 0.0044 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
13.99 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 0.820 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.4897 0.4897 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT