1999 XW49

1999XW49, 97220, J99X49W

All data for this body: [vot]

MPC data
Name (number) 1999 XW49 (97220)
a 2.94911
e 0.06197
i / sin(i) 2.8491 / 0.04970
q 2.76635
Q 3.13188
ω 292.7430
Node 59.2246
m 75.0142
n 0.1946
Epoch 2460800.5
nobs 1339
nopp 22
Years observed 1998-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.946
ep 0.033
sin(ip) 0.036
G 0.150
H 15.000
Mass
D 3.29 1.074
pV 0.215 0.1010
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.968
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9463 0.0325 0.0360 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.29 1.074 1.074 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.215 0.1010 0.1010 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
15.00 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
C 0.828 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT