1991 FD2

1991FD2, 1980 BS5, 1980BS5, 2000 VH23, 2000VH23, 2000 WA189, 2000WA189, 39538, J80B05S, J91F02D, K00V23H, K00WI9A

All data for this body: [vot]

MPC data
Name (number) 1991 FD2 (39538)
a 2.34443
e 0.15374
i / sin(i) 2.5479 / 0.04445
q 1.98400
Q 2.70485
ω 169.8846
Node 13.0420
m 171.5657
n 0.2746
Epoch 2460800.5
nobs 1595
nopp 23
Years observed 1960-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.345
ep 0.193
sin(ip) 0.042
G 0.150
H 15.640
Mass
D 2.57 0.742
pV 0.203 0.1292
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.7000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3453 0.1929 0.0418 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.57 0.742 0.742 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.203 0.1292 0.1292 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
15.64 MPC-2023-12-04 MPC-2023-12-04 Phot