1991 FJ2

1991FJ2, 11891, 1999 RR257, 1999RR257, J91F02J, J99RP7R

All data for this body: [vot]

MPC data
Name (number) 1991 FJ2 (11891)
a 2.24284
e 0.09277
i / sin(i) 2.9811 / 0.05201
q 2.03478
Q 2.45090
ω 358.0391
Node 186.6246
m 47.7570
n 0.2934
Epoch 2460800.5
nobs 3022
nopp 23
Years observed 1949-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.243
ep 0.141
sin(ip) 0.060
G 0.150
H 14.890
Mass
D
pV
Value
Rotational Period 3.600
Period quality 3
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2426 0.1410 0.0600 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.608 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.61 3 Synodic Chang 2019ApJS..241....6C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT