1991 FL4

1991FL4, 09338, 1987 SG6, 1987SG6, 1992 PY4, 1992PY4, J87S06G, J91F04L, J92P04Y

All data for this body: [vot]

MPC data
Name (number) 1991 FL4 (9338)
a 3.12107
e 0.19783
i / sin(i) 13.7417 / 0.23755
q 2.50362
Q 3.73852
ω 104.1885
Node 181.9658
m 244.5874
n 0.1788
Epoch 2460200.5
nobs 3355
nopp 25
Years observed 1987-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.128
ep 0.173
sin(ip) 0.247
Value Standard error
G 0.150
H 12.570
Mass
D 19.89 1.891
pV 0.040 0.0109
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1283 0.1730 0.2468 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.85 3.450 3.450 Masiero 2021PSJ.....2..162M NEATM
19.05 5.020 5.020 Masiero 2021PSJ.....2..162M NEATM
19.50 4.610 4.610 Nugent 2016AJ....152...63N NEATM
22.70 3.030 3.030 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0140 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.041 0.0220 0.0220 Masiero 2012ApJ...759L...8M NEATM
0.062 0.0270 0.0490 Masiero 2021PSJ.....2..162M 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
12.57 MPC-2023-12-04 MPC-2023-12-04 Phot