1999 XR240

1999XR240, 1992 EE34, 1992EE34, 43189, J92E34E, J99XO0R

All data for this body: [vot]

MPC data
Name (number) 1999 XR240 (43189)
a 2.75796
e 0.09625
i / sin(i) 3.4758 / 0.06063
q 2.49252
Q 3.02341
ω 139.1415
Node 204.7345
m 269.2125
n 0.2152
Epoch 2460800.5
nobs 1631
nopp 23
Years observed 1992-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.758
ep 0.064
sin(ip) 0.072
G 0.150
H 14.880
Mass
D 3.95 1.054
pV 0.136 0.0352
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.685
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7577 0.0637 0.0719 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.95 1.054 1.054 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.136 0.0352 0.0352 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
14.88 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 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8875 0.8800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.2042 0.8800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT