1999 XL238

1999XL238, 1998 KP55, 1998KP55, 41333, J98K55P, J99XN8L

All data for this body: [vot]

MPC data
Name (number) 1999 XL238 (41333)
a 2.56670
e 0.16907
i / sin(i) 16.0625 / 0.27669
q 2.13275
Q 3.00065
ω 217.7929
Node 106.8468
m 143.9005
n 0.2397
Epoch 2460800.5
nobs 1938
nopp 21
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.566
ep 0.129
sin(ip) 0.256
G 0.150
H 14.590
Mass
D 3.35 0.147
pV 0.387 0.0562
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.910
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5664 0.1288 0.2555 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.97 0.479 0.479 Masiero 2011ApJ...741...68M NEATM
3.39 0.155 0.155 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.321 0.0977 0.0977 Masiero 2011ApJ...741...68M NEATM
0.419 0.0687 0.0687 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
14.59 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
L&D L DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
LS 0.36 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.8183 0.8183 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT