1999 XT90

1999XT90, 1998 QQ65, 1998QQ65, 43140, J98Q65Q, J99X90T

All data for this body: [vot]

MPC data
Name (number) 1999 XT90 (43140)
a 2.61618
e 0.13581
i / sin(i) 13.3170 / 0.23034
q 2.26086
Q 2.97149
ω 85.5728
Node 268.7425
m 93.1429
n 0.2329
Epoch 2460800.5
nobs 2043
nopp 21
Years observed 1998-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.615
ep 0.082
sin(ip) 0.250
G 0.150
H 14.210
Mass
D 4.82 0.223
pV 0.315 0.0415
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.354
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
170 Maria 0 Maria Novakovic 2019EPSC...13.1671N HCM
170 Maria 506 Maria 0.5600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6148 0.0816 0.2502 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.78 0.233 0.233 Masiero 2011ApJ...741...68M NEATM
5.28 0.770 0.770 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.192 0.0750 0.0750 Masiero 2012ApJ...759L...8M NEATM
0.370 0.0499 0.0499 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
14.21 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 0.559 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
K DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT