1998 JS

1998JS, 1999 XU45, 1999XU45, 44164, J98J00S, J99X45U

All data for this body: [vot]

MPC data
Name (number) 1998 JS (44164)
a 2.26878
e 0.16070
i / sin(i) 4.5843 / 0.07993
q 1.90418
Q 2.63338
ω 45.0838
Node 266.5235
m 248.2935
n 0.2884
Epoch 2460800.5
nobs 2950
nopp 20
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.270
ep 0.118
sin(ip) 0.093
G 0.150
H 14.600
Mass
D 2.20 0.495
pV 0.696 0.2644
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 9.913
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.4800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2696 0.1184 0.0929 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.20 0.495 0.495 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.696 0.2644 0.2644 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
14.60 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
C 0.881 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D X 0.4247 0.6620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.84 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.1810 0.6620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8578 0.6620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT