Pounds

04281, 1981 SW4, 1981SW4, 1981 UT18, 1981UT18, 1985 TE1, 1985TE1, J81S04W, J81U18T, J85T01E

All data for this body: [vot]

MPC data
Name (number) Pounds (4281)
a 2.46348
e 0.11165
i / sin(i) 0.7305 / 0.01275
q 2.18843
Q 2.73852
ω 209.5886
Node 187.8741
m 70.0596
n 0.2549
Epoch 2460800.5
nobs 3650
nopp 29
Years observed 1977-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.463
ep 0.094
sin(ip) 0.022
G 0.150
H 13.950
Mass
D 9.68 0.066
pV 0.053 0.0057
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 2.352
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4631 0.0937 0.0224 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.14 4.560 4.560 Masiero 2020PSJ.....1....5M NEATM
11.53 2.899 2.899 Masiero 2017AJ....154..168M NEATM
9.16 2.540 2.540 Masiero 2020PSJ.....1....5M NEATM
9.68 0.066 0.066 Masiero 2011ApJ...741...68M NEATM
9.83 3.440 3.440 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0184 0.0184 Masiero 2017AJ....154..168M NEATM
0.043 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
0.044 0.0400 0.0400 Masiero 2020PSJ.....1....5M NEATM
0.055 0.0062 0.0062 Masiero 2011ApJ...741...68M NEATM
0.064 0.0570 0.0570 Masiero 2020PSJ.....1....5M 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
13.95 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 0.392 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT