Alfandmedina

18935, 1996 HT23, 1996HT23, 2000 QE37, 2000QE37, J96H23T, K00Q37E

All data for this body: [vot]

MPC data
Name (number) Alfandmedina (18935)
a 2.21674
e 0.15233
i / sin(i) 2.8886 / 0.05039
q 1.87907
Q 2.55440
ω 220.3689
Node 166.6555
m 127.2231
n 0.2986
Epoch 2460800.5
nobs 2341
nopp 22
Years observed 1983-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.217
ep 0.128
sin(ip) 0.053
G 0.150
H 15.450
Mass
D 2.23 0.321
pV 0.246 0.0965
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.332
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2173 0.1284 0.0535 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.23 0.321 0.321 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.246 0.0965 0.0965 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
15.45 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.84 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.7753 0.7753 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT