1999 XU173

1999XU173, A3100, J99XH3U

All data for this body: [vot]

MPC data
Name (number) 1999 XU173 (103100)
a 2.73407
e 0.20486
i / sin(i) 18.4206 / 0.31599
q 2.17398
Q 3.29415
ω 7.9068
Node 89.5947
m 225.0983
n 0.2180
Epoch 2460800.5
nobs 1107
nopp 18
Years observed 1980-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Postrema (1484)
 
ap 2.734
ep 0.242
sin(ip) 0.285
G 0.150
H 14.890
Mass
D 7.03 0.106
pV 0.051 0.0043
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 0.250
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1484 Postrema 0 Postrema Novakovic 2019EPSC...13.1671N HCM
1484 Postrema 541 Postrema Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7338 0.2419 0.2848 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.52 1.980 1.980 Masiero 2020PSJ.....1....5M NEATM
6.95 0.177 0.177 Masiero 2011ApJ...741...68M NEATM
7.07 0.133 0.133 Masiero 2011ApJ...741...68M NEATM
7.29 1.780 1.780 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0470 0.0470 Masiero 2020PSJ.....1....5M NEATM
0.051 0.0045 0.0045 Masiero 2011ApJ...741...68M NEATM
0.053 0.0164 0.0164 Masiero 2011ApJ...741...68M NEATM
0.057 0.0310 0.0310 Masiero 2020PSJ.....1....5M 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
14.89 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 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.0416 0.0416 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT