1999 SN4

1999SN4, 12925, 1980 TL3, 1980TL3, 1984 UL5, 1984UL5, 1997 EB28, 1997EB28, J80T03L, J84U05L, J97E28B, J99S04N

All data for this body: [vot]

MPC data
Name (number) 1999 SN4 (12925)
a 2.43486
e 0.12772
i / sin(i) 10.4201 / 0.18086
q 2.12389
Q 2.74583
ω 61.0676
Node 12.1681
m 221.1366
n 0.2594
Epoch 2460800.5
nobs 3067
nopp 23
Years observed 1980-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.434
ep 0.126
sin(ip) 0.178
G 0.150
H 14.100
Mass
D 3.91 0.374
pV 0.318 0.0845
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4343 0.1264 0.1782 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.91 0.374 0.374 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.318 0.0845 0.0845 Masiero 2011ApJ...741...68M 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
14.10 MPC-2023-12-04 MPC-2023-12-04 Phot