1999 XN176

1999XN176, 49928, J99XH6N

All data for this body: [vot]

MPC data
Name (number) 1999 XN176 (49928)
a 2.58782
e 0.14654
i / sin(i) 15.6267 / 0.26937
q 2.20860
Q 2.96704
ω 184.3004
Node 80.4482
m 250.6768
n 0.2368
Epoch 2460800.5
nobs 2416
nopp 21
Years observed 1994-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.590
ep 0.157
sin(ip) 0.245
G 0.150
H 14.270
Mass
D 3.66 0.241
pV 0.364 0.0964
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 12.002
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5898 0.1566 0.2455 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.66 0.241 0.241 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.364 0.0964 0.0964 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
14.27 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 0.736 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.0824 0.9540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.1972 0.9540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9848 0.9540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT