1998 FP55

1998FP55, 2000 WU1, 2000WU1, 46756, J98F55P, K00W01U

All data for this body: [vot]

MPC data
Name (number) 1998 FP55 (46756)
a 2.39614
e 0.13547
i / sin(i) 2.3305 / 0.04066
q 2.07154
Q 2.72073
ω 121.8218
Node 83.3127
m 93.6737
n 0.2657
Epoch 2460800.5
nobs 1321
nopp 22
Years observed 1994-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.396
ep 0.168
sin(ip) 0.025
G 0.150
H 15.840
Mass
D 2.22 0.600
pV 0.172 0.0443
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.536
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3961 0.1681 0.0251 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.22 0.600 0.600 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.172 0.0443 0.0443 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
15.84 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
LS 0.08 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4226 0.4226 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT