Underwood

15294, 1953 TB2, 1953TB2, 1991 VD5, 1991VD5, J53T02B, J91V05D

All data for this body: [vot]

MPC data
Name (number) Underwood (15294)
a 2.15806
e 0.18356
i / sin(i) 3.5934 / 0.06267
q 1.76193
Q 2.55419
ω 239.9423
Node 117.9273
m 225.2894
n 0.3109
Epoch 2460800.5
nobs 3640
nopp 22
Years observed 1953-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.158
ep 0.120
sin(ip) 0.051
G 0.150
H 14.450
Mass
D 3.20 0.040
pV 0.417 0.0499
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.244
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1581 0.1197 0.0511 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.91 0.120 0.120 Masiero 2012ApJ...759L...8M NEATM
3.24 0.043 0.043 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.386 0.0817 0.0817 Masiero 2011ApJ...741...68M NEATM
0.436 0.0630 0.0630 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
14.45 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
S 0.874 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT