1999 XW4

1999XW4, 70956, J99X04W

All data for this body: [vot]

MPC data
Name (number) 1999 XW4 (70956)
a 2.61828
e 0.20112
i / sin(i) 2.1242 / 0.03707
q 2.09168
Q 3.14487
ω 187.2750
Node 165.9594
m 48.8486
n 0.2326
Epoch 2460800.5
nobs 1202
nopp 21
Years observed 1992-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.617
ep 0.157
sin(ip) 0.035
G 0.150
H 15.860
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.898
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6173 0.1574 0.0355 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
15.86 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 0.983 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT