Evanmackay

1998 WH23, 1998WH23, 2000 JW12, 2000JW12, 29663, J98W23H, K00J12W

All data for this body: [vot]

MPC data
Name (number) Evanmackay (29663)
a 2.24181
e 0.07784
i / sin(i) 4.6880 / 0.08173
q 2.06731
Q 2.41630
ω 25.1125
Node 69.5361
m 282.8176
n 0.2936
Epoch 2460800.5
nobs 1251
nopp 21
Years observed 1991-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.242
ep 0.113
sin(ip) 0.071
G 0.150
H 15.990
Mass
D 1.86 0.544
pV 0.268 0.2347
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 3.352
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2422 0.1126 0.0709 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.86 0.544 0.544 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.268 0.2347 0.2347 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
15.99 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
Ad Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
L 0.61 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.3553 0.3553 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT