1999 XS249

1999XS249, 2003 SD213, 2003SD213, J99XO9S, K03SL3D, O1640

All data for this body: [vot]

MPC data
Name (number) 1999 XS249 (241640)
a 2.71341
e 0.20986
i / sin(i) 13.8716 / 0.23975
q 2.14396
Q 3.28287
ω 274.0093
Node 94.8033
m 290.5248
n 0.2205
Epoch 2460800.5
nobs 566
nopp 17
Years observed 1997-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.712
ep 0.164
sin(ip) 0.229
G 0.150
H 15.900
Mass
D 3.82 0.754
pV 0.076 0.0454
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.537
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7123 0.1636 0.2292 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.82 0.754 0.754 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.076 0.0454 0.0454 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
15.90 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 0.15 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.3728 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.0955 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT