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 2.46285
e 0.11101
i / sin(i) 0.7304 / 0.01275
q 2.18945
Q 2.73624
ω 209.8707
Node 187.8871
m 276.8522
n 0.2550
Epoch 2460200.5
nobs 3089
nopp 27
Years observed 1977-2023
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.463
ep 0.094
sin(ip) 0.022
Value Standard error
G 0.150
H 14.010
Mass
D 9.68 0.066
pV 0.053 0.0057
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-Oct-2022
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
14.01 MPC-2023-12-04 MPC-2023-12-04 Phot