1998 QY55

1998QY55, 13725, 1999 XF83, 1999XF83, J98Q55Y, J99X83F

All data for this body: [vot]

MPC data
Name (number) 1998 QY55 (13725)
a 2.90053
e 0.06205
i / sin(i) 2.5859 / 0.04512
q 2.72054
Q 3.08052
ω 271.8030
Node 147.6828
m 81.2958
n 0.1995
Epoch 2460800.5
nobs 3171
nopp 23
Years observed 1993-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.902
ep 0.049
sin(ip) 0.036
G 0.150
H 13.790
Mass
D 5.29 0.119
pV 0.275 0.0571
Value
Rotational Period 18.917
Period quality 2
Spectral Class S
Spectral Class Score 9.868
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 0.2900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9019 0.0491 0.0361 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.29 0.119 0.119 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.275 0.0571 0.0571 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
13.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.9175 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
LS 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.6426 0.6510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6688 0.6510 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT