1999 XY189

1999XY189, 43175, J99XI9Y

All data for this body: [vot]

MPC data
Name (number) 1999 XY189 (43175)
a 2.28819
e 0.20209
i / sin(i) 7.1764 / 0.12492
q 1.82577
Q 2.75062
ω 279.6239
Node 355.6993
m 282.7342
n 0.2848
Epoch 2460800.5
nobs 3177
nopp 21
Years observed 1994-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.289
ep 0.180
sin(ip) 0.131
G 0.150
H 14.340
Mass
D 2.98 0.329
pV 0.389 0.0914
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 22.187
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2889 0.1797 0.1311 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.70 0.440 0.440 Nugent 2016AJ....152...63N NEATM
3.33 0.496 0.496 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.370 0.1500 0.1500 Nugent 2016AJ....152...63N NEATM
0.400 0.1153 0.1153 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
14.34 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.79 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9628 0.9670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9717 0.9670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT