1999 YW27

1999YW27, 1984 UF5, 1984UF5, 80450, J84U05F, J99Y27W

All data for this body: [vot]

MPC data
Name (number) 1999 YW27 (80450)
a 2.38201
e 0.23108
i / sin(i) 11.5179 / 0.19967
q 1.83159
Q 2.93244
ω 21.0734
Node 18.2400
m 10.0825
n 0.2681
Epoch 2460800.5
nobs 1516
nopp 16
Years observed 1984-2024
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.213
sin(ip) 0.189
G 0.150
H 15.360
Mass
D 3.80 0.625
pV 0.066 0.0248
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 10.385
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3820 0.2131 0.1892 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.59 0.810 0.810 Masiero 2020PSJ.....1....5M NEATM
3.97 1.050 1.050 Masiero 2020PSJ.....1....5M NEATM
5.09 2.820 2.820 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0310 0.0310 Masiero 2012ApJ...759L...8M NEATM
0.085 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.104 0.0710 0.0710 Masiero 2020PSJ.....1....5M 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
15.36 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.37 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.961 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.1501 0.1540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.1631 0.1540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT