2001 FO121

2001FO121, 1999 XM182, 1999XM182, 99148, J99XI2M, K01FC1O

All data for this body: [vot]

MPC data
Name (number) 2001 FO121 (99148)
a 2.68407
e 0.01364
i / sin(i) 15.1443 / 0.26125
q 2.64747
Q 2.72068
ω 355.4664
Node 33.4516
m 320.2718
n 0.2241
Epoch 2460800.5
nobs 1367
nopp 19
Years observed 1999-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.684
ep 0.032
sin(ip) 0.253
G 0.150
H 14.880
Mass
D 3.02 0.523
pV 0.307 0.0874
Value
Rotational Period 4.389
Period quality 2
Spectral Class Ds
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6845 0.0318 0.2534 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.93 0.675 0.675 Masiero 2011ApJ...741...68M NEATM
3.16 0.828 0.828 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.1354 0.1354 Masiero 2011ApJ...741...68M NEATM
0.327 0.1144 0.1144 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
14.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.38929 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

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