de Graauw

deGraauw, 11243, 1987 SQ28, 1987SQ28, 1999 FE35, 1999FE35, 2157 T-1, 2157T-1, 4623 T-1, 4623T-1, J87S28Q, J99F35E, T1S2157, T1S4623

All data for this body: [vot]

MPC data
Name (number) de Graauw (11243)
a 2.78043
e 0.11854
i / sin(i) 3.6917 / 0.06439
q 2.45084
Q 3.11001
ω 248.7415
Node 162.9886
m 359.4992
n 0.2126
Epoch 2460800.5
nobs 5888
nopp 23
Years observed 1971-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.781
ep 0.095
sin(ip) 0.061
G 0.150
H 13.880
Mass
D 5.30 0.192
pV 0.274 0.0134
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.861
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7810 0.0953 0.0608 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.30 0.192 0.192 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.274 0.0134 0.0134 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
13.88 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
L S 0.5626 0.7080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.91 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.6747 0.7080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9988 0.7080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.311 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT