Achates

05144, 1939 PC, 1939PC, 1951 PK, 1951PK, 1975 QA, 1975QA, 1987 QV11, 1987QV11, 1988 SS4, 1988SS4, 1991 XX, 1991XX, J39P00C, J51P00K, J75Q00A, J87Q11V, J88S04S, J91X00X

All data for this body: [vot]

MPC data
Name (number) Achates (5144)
a 5.18438
e 0.27227
i / sin(i) 8.9141 / 0.15495
q 3.77282
Q 6.59593
ω 332.0810
Node 322.7912
m 71.8135
n 0.0835
Epoch 2460800.5
nobs 5770
nopp 40
Years observed 1949-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 9.180
Mass
D 85.14 0.412
pV 0.050 0.0019
Value
Rotational Period 5.950
Period quality 3
Spectral Class D
Spectral Class Score 5.740
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
101.80 1.400 1.400 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
102.47 2.445 2.445 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
80.96 0.530 0.530 Grav 2012ApJ...759...49G NEATM
86.00 1.200 1.200 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
87.65 1.105 1.105 Ryan&Woodward 2010AJ....140..933R IRAS-STM
88.55 17.710 17.710 Ali-Lagoa 2018A&A...612A..85A NEATM
89.85 3.900 3.900 Usui 2011PASJ...63.1117U NEATM
91.91 5.100 5.100 Tedesco 2002AJ....123.1056T STM
95.47 19.090 19.090 Ali-Lagoa 2018A&A...612A..85A NEATM
97.60 7.650 7.650 Grav 2011ApJ...742...40G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.046 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0022 0.0022 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.051 0.0110 0.0110 Grav 2011ApJ...742...40G NEATM
0.054 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.058 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.063 0.0073 0.0073 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.074 0.0070 0.0070 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
9.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.949 2+ Synodic Mottola 2011AJ....141..170M Lightcurve
5.951 3 Synodic Stephens 2015MPBu...42R.216S Lightcurve
5.955 3 Synodic Kalup 2021ApJS..254....7K Lightcurve
5.956 3- Synodic Stephens 2019MPBu...46..315S Lightcurve
5.9561 3 Synodic Behrend LCDB Lightcurve
5.958 3 Synodic Molnar 2008MPBu...35...82M Lightcurve
5.959 3- Synodic Stephens 2020MPBu...47..285S Lightcurve
5.96 3 Synodic Stephens 2018MPBu...45..301S Lightcurve
6.799 Synodic McNeill 2021PSJ.....2....6M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D P 0.820000 0.170000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC