2011 FB81

2011FB81, 1999 RX21, 1999RX21, b9697, J99R21X, K11F81B

All data for this body: [vot]

MPC data
Name (number) 2011 FB81 (379697)
a 2.74042
e 0.16199
i / sin(i) 7.8625 / 0.13680
q 2.29651
Q 3.18433
ω 338.7969
Node 10.5725
m 239.4393
n 0.2173
Epoch 2460800.5
nobs 383
nopp 14
Years observed 1999-2025
rms 0.95
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.741
ep 0.124
sin(ip) 0.133
G 0.150
H 16.190
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 0.678
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7409 0.1243 0.1330 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
16.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.1130 0.0890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.0458 0.0890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT