2001 XS257

2001XS257, D1698, K01XP7S

All data for this body: [vot]

MPC data
Name (number) 2001 XS257 (131698)
a 2.23320
e 0.11230
i / sin(i) 3.3354 / 0.05818
q 1.98240
Q 2.48399
ω 76.6600
Node 342.7133
m 13.5703
n 0.2953
Epoch 2460800.5
nobs 581
nopp 16
Years observed 1996-2024
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.233
ep 0.117
sin(ip) 0.055
G 0.150
H 17.290
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.610
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2329 0.1167 0.0551 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
17.29 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 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9116 0.8950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT