Achaemenides

05126, 1989 CH2, 1989CH2, J89C02H

All data for this body: [vot]

MPC data
Name (number) Achaemenides (5126)
a 5.24678
e 0.02652
i / sin(i) 29.8599 / 0.49788
q 5.10766
Q 5.38590
ω 353.0821
Node 116.5091
m 33.9890
n 0.0820
Epoch 2460800.5
nobs 3369
nopp 31
Years observed 1953-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.590
Mass
D 57.01 0.719
pV 0.048 0.0062
Value
Rotational Period 53.000
Period quality 3-
Spectral Class C
Spectral Class Score 10.898
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
48.57 4.080 4.080 Usui 2011PASJ...63.1117U NEATM
49.39 9.880 9.880 Ali-Lagoa 2018A&A...612A..85A NEATM
51.92 3.360 3.360 Grav 2012ApJ...759...49G NEATM
57.59 0.750 0.750 Grav 2011ApJ...742...40G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.049 0.0090 0.0090 Grav 2011ApJ...742...40G NEATM
0.050 0.0100 0.0100 Grav 2012ApJ...759...49G 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
10.59 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
52.805 2 Sidereal Durech 2023A&A...675A..24D Model
53.02 3- Synodic Stephens 2016MPBu...43...15S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Jewitt-Luu VIS Bendjoya 2004Icar..168..374B SPEC
C 0.983 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT