2012 HL40

2012HL40, 2010 DK54, 2010DK54, b3280, K10D54K, K12H40L

All data for this body: [vot]

MPC data
Name (number) 2012 HL40 (373280)
a 2.57830
e 0.28243
i / sin(i) 12.0348 / 0.20851
q 1.85010
Q 3.30650
ω 284.1484
Node 37.6674
m 340.7848
n 0.2381
Epoch 2460800.5
nobs 1198
nopp 14
Years observed 2008-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.579
ep 0.234
sin(ip) 0.212
G 0.150
H 15.790
Mass
D 3.74 0.101
pV 0.079 0.0600
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5791 0.2336 0.2119 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.43 0.970 0.970 Masiero 2020PSJ.....1....5M NEATM
3.75 0.102 0.102 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.079 0.0600 0.0600 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
15.79 MPC-2023-12-04 MPC-2023-12-04 Phot