1999 XJ40

1999XJ40, 2001 DD75, 2001DD75, 41249, J99X40J, K01D75D

All data for this body: [vot]

MPC data
Name (number) 1999 XJ40 (41249)
a 2.64942
e 0.09821
i / sin(i) 2.2062 / 0.03850
q 2.38922
Q 2.90962
ω 31.1056
Node 291.8034
m 39.7650
n 0.2285
Epoch 2460800.5
nobs 1493
nopp 21
Years observed 1993-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.650
ep 0.075
sin(ip) 0.057
G 0.150
H 15.260
Mass
D
pV
Value
Rotational Period 11.090
Period quality 2
Spectral Class S
Spectral Class Score 5.982
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6502 0.0752 0.0572 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
15.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.03 2 Synodic Chang 2015ApJS..219...27C Lightcurve
11.093 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT