1997 YQ4

1997YQ4, 2001 NN16, 2001NN16, 73968, J97Y04Q, K01N16N

All data for this body: [vot]

MPC data
Name (number) 1997 YQ4 (73968)
a 3.15431
e 0.16554
i / sin(i) 12.3007 / 0.21304
q 2.63213
Q 3.67648
ω 310.1194
Node 113.9499
m 354.6603
n 0.1759
Epoch 2460800.5
nobs 1849
nopp 20
Years observed 1994-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.160
ep 0.142
sin(ip) 0.194
G 0.150
H 14.040
Mass
D 9.96 0.254
pV 0.058 0.0088
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1603 0.1420 0.1937 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.76 2.950 2.950 Masiero 2021PSJ.....2..162M NEATM
12.73 3.960 3.960 Masiero 2021PSJ.....2..162M NEATM
9.95 0.255 0.255 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.028 0.0170 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.042 0.0170 0.0300 Masiero 2021PSJ.....2..162M NEATM
0.065 0.0100 0.0100 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
14.04 MPC-2023-12-04 MPC-2023-12-04 Phot