1998 TP20

1998TP20, 2003 WF114, 2003WF114, G4747, J98T20P, K03WB4F

All data for this body: [vot]

MPC data
Name (number) 1998 TP20 (164747)
a 2.77324
e 0.19864
i / sin(i) 7.4921 / 0.13039
q 2.22237
Q 3.32411
ω 170.7664
Node 33.6072
m 103.6426
n 0.2134
Epoch 2460800.5
nobs 743
nopp 19
Years observed 1998-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.775
ep 0.241
sin(ip) 0.117
G 0.150
H 15.390
Mass
D 3.63 0.092
pV 0.077 0.0077
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 1.074
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7746 0.2408 0.1170 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.44 0.120 0.120 Masiero 2012ApJ...759L...8M NEATM
3.91 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.073 0.0087 0.0087 Masiero 2011ApJ...741...68M NEATM
0.094 0.0170 0.0170 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
15.39 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
B B 0.1790 0.1790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT