1999 GW

1999GW, 1989 EE7, 1989EE7, 35726, J89E07E, J99G00W

All data for this body: [vot]

MPC data
Name (number) 1999 GW (35726)
a 2.20553
e 0.09492
i / sin(i) 3.5810 / 0.06246
q 1.99617
Q 2.41489
ω 71.8303
Node 135.9392
m 349.2857
n 0.3009
Epoch 2460800.5
nobs 2265
nopp 23
Years observed 1989-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.206
ep 0.141
sin(ip) 0.062
G 0.150
H 15.450
Mass
D 2.23 0.260
pV 0.324 0.0980
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 25.935
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2057 0.1406 0.0620 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.23 0.260 0.260 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.324 0.0980 0.0980 Masiero 2012ApJ...759L...8M 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
15.45 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 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8331 0.9370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8586 0.9370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9677 0.9370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.9370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT