1999 XY242

1999XY242, 18064, 1982 VJ, 1982VJ, 1998 QB88, 1998QB88, J82V00J, J98Q88B, J99XO2Y

All data for this body: [vot]

MPC data
Name (number) 1999 XY242 (18064)
a 2.56469
e 0.12446
i / sin(i) 13.2217 / 0.22872
q 2.24549
Q 2.88389
ω 263.4873
Node 210.6539
m 67.2244
n 0.2400
Epoch 2460800.5
nobs 3757
nopp 26
Years observed 1953-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.564
ep 0.152
sin(ip) 0.242
G 0.150
H 13.370
Mass
D 5.45 0.268
pV 0.285 0.0485
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 21.179
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5641 0.1517 0.2416 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.45 0.268 0.268 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.285 0.0485 0.0485 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
13.37 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
D S 0.2722 0.7080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.78 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.8017 0.7080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9685 0.7080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.7080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT