1999 XA205

1999XA205, 1978 EZ4, 1978EZ4, 1998 SB97, 1998SB97, 47444, J78E04Z, J98S97B, J99XK5A

All data for this body: [vot]

MPC data
Name (number) 1999 XA205 (47444)
a 2.70929
e 0.14185
i / sin(i) 9.3967 / 0.16327
q 2.32498
Q 3.09361
ω 127.3938
Node 21.7683
m 212.0482
n 0.2210
Epoch 2460800.5
nobs 2171
nopp 22
Years observed 1978-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.711
ep 0.127
sin(ip) 0.158
G 0.150
H 14.380
Mass
D 4.42 0.170
pV 0.189 0.0283
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.811
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7112 0.1269 0.1583 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.42 0.170 0.170 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.189 0.0283 0.0283 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
14.38 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 0.310 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.69 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9285 0.9285 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT