1991 FA3

1991FA3, 06861, 1974 FK1, 1974FK1, 1976 SV9, 1976SV9, 1982 UY9, 1982UY9, 1987 RF3, 1987RF3, 1988 VG6, 1988VG6, 1993 TP11, 1993TP11, J74F01K, J76S09V, J82U09Y, J87R03F, J88V06G, J91F03A, J93T11P

All data for this body: [vot]

MPC data
Name (number) 1991 FA3 (6861)
a 3.14114
e 0.13817
i / sin(i) 10.7109 / 0.18585
q 2.70713
Q 3.57514
ω 255.6996
Node 21.5462
m 330.6012
n 0.1770
Epoch 2460800.5
nobs 4957
nopp 29
Years observed 1974-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.147
ep 0.130
sin(ip) 0.186
G 0.150
H 12.470
Mass
D 18.14 2.137
pV 0.072 0.0267
Value
Rotational Period 19.460
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1466 0.1300 0.1864 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.83 2.620 2.620 Masiero 2012ApJ...759L...8M NEATM
17.84 4.820 4.820 Nugent 2016AJ....152...63N NEATM
20.04 5.740 5.740 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.070 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.077 0.0390 0.0390 Masiero 2012ApJ...759L...8M 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
12.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.734 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
19.464 2 Sidereal Durech 2023A&A...675A..24D Model
19.466 2 Synodic Waszczak 2015AJ....150...75W Lightcurve