1999 XS180

1999XS180, 1983 HQ, 1983HQ, 49938, J83H00Q, J99XI0S

All data for this body: [vot]

MPC data
Name (number) 1999 XS180 (49938)
a 2.66947
e 0.13116
i / sin(i) 12.5534 / 0.21735
q 2.31935
Q 3.01959
ω 138.3314
Node 67.4069
m 237.9335
n 0.2260
Epoch 2460800.5
nobs 2883
nopp 22
Years observed 1983-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.667
ep 0.167
sin(ip) 0.201
G 0.150
H 13.710
Mass
D 10.84 0.094
pV 0.065 0.0103
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.946
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 -0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6674 0.1673 0.2006 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.06 2.580 2.580 Masiero 2020PSJ.....1....5M NEATM
10.21 2.960 2.960 Masiero 2020PSJ.....1....5M NEATM
10.84 0.094 0.094 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.053 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM
0.066 0.0111 0.0111 Masiero 2011ApJ...741...68M NEATM
0.069 0.0400 0.0400 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
13.71 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
X 0.991 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT