1999 XT172

1999XT172, 1998 UJ24, 1998UJ24, 25558, J98U24J, J99XH2T

All data for this body: [vot]

MPC data
Name (number) 1999 XT172 (25558)
a 2.66669
e 0.13357
i / sin(i) 12.5635 / 0.21752
q 2.31050
Q 3.02289
ω 159.7592
Node 73.5466
m 182.0596
n 0.2263
Epoch 2460800.5
nobs 3041
nopp 22
Years observed 1997-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.667
ep 0.162
sin(ip) 0.197
G 0.150
H 13.770
Mass
D 10.42 0.086
pV 0.068 0.0152
Value
Rotational Period 15.902
Period quality 2
Spectral Class X
Spectral Class Score 6.925
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona -0.1900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6665 0.1615 0.1970 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.22 2.440 2.440 Masiero 2020PSJ.....1....5M NEATM
10.42 0.086 0.086 Masiero 2011ApJ...741...68M NEATM
8.91 3.290 3.290 Masiero 2020PSJ.....1....5M NEATM
9.25 3.000 3.000 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0780 0.0780 Masiero 2020PSJ.....1....5M NEATM
0.064 0.0560 0.0560 Masiero 2020PSJ.....1....5M NEATM
0.068 0.0290 0.0520 Masiero 2021PSJ.....2..162M NEATM
0.069 0.0176 0.0176 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
13.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.9025 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
B C 0.1005 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.5985 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.69 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.2373 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.647 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C 0.5071 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT