1999 FB21

1999FB21, 1996 RP25, 1996RP25, 2001 QB21, 2001QB21, 33445, J96R25P, J99F21B, K01Q21B

All data for this body: [vot]

MPC data
Name (number) 1999 FB21 (33445)
a 2.87699
e 0.01819
i / sin(i) 3.0700 / 0.05356
q 2.82465
Q 2.92934
ω 100.1834
Node 131.0687
m 66.6398
n 0.2020
Epoch 2460800.5
nobs 2335
nopp 22
Years observed 1996-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.877
ep 0.050
sin(ip) 0.039
G 0.150
H 14.340
Mass
D 4.33 1.392
pV 0.216 0.0893
Value
Rotational Period 72.000
Period quality 2
Spectral Class S
Spectral Class Score 11.463
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8768 0.0501 0.0389 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.33 1.392 1.392 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.216 0.0893 0.0893 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
14.34 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
72.09 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
K 0.390 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9443 0.3150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9662 0.3150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.3818 0.3150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT