Athamantis

00230, 1882 RA, 1882RA, 1949 WG, 1949WG, I82R00A, J49W00G

All data for this body: [vot]

MPC data
Name (number) Athamantis (230)
a 2.38258
e 0.06119
i / sin(i) 9.4550 / 0.16427
q 2.23680
Q 2.52837
ω 139.0906
Node 239.7708
m 254.0334
n 0.2680
Epoch 2460800.5
nobs 2864
nopp 72
Years observed 1882-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.042
sin(ip) 0.177
G 0.150
H 7.500
Mass 1.692e+18 4.457e+17
D 107.44 0.707
pV 0.183 0.0046
Value
Rotational Period 24.005
Period quality 3
Spectral Class S
Spectral Class Score 33.620
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3823 0.0424 0.1768 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.4500e+17 6.6500e+17 6.6500e+17 Fienga 2017NSTIM.108.....V Ephem
1.1800e+18 Folkner 2014IPNPR.196C...1F Ephem
1.8900e+18 Folkner 2009IPNPR.178C...1F Ephem
2.2640e+18 9.2900e+17 9.2900e+17 Fienga 2020MNRAS.492..589F Ephem
4.3423e+18 1.9279e+18 1.9279e+18 Fienga inpop13c Ephem
4.3400e+18 1.9300e+18 1.9300e+18 Fienga 2014arXiv1405.0484F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
108.27 20.270 20.270 Nugent 2016AJ....152...63N NEATM
108.28 1.180 1.180 Usui 2011PASJ...63.1117U NEATM
108.99 2.000 2.000 Tedesco 2002AJ....123.1056T STM
109.00 13.025 13.025 Masiero 2011ApJ...741...68M NEATM
111.33 1.230 1.230 Masiero 2014ApJ...791..121M NEATM
112.55 11.250 11.250 Ali-Lagoa 2018A&A...612A..85A NEATM
113.17 11.320 11.320 Ali-Lagoa 2018A&A...612A..85A NEATM
115.00 12.000 12.000 Hanus 2013Icar..226.1045H AO/LC
116.00 12.000 12.000 Hanus 2013Icar..226.1045H AO/LC
118.60 5.247 5.247 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
128.00 nan nan Cellino 2003Icar..162..278C Speckle_Interf.
91.47 1.890 1.890 Ryan&Woodward 2010AJ....140..933R IRAS-STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.145 0.0127 0.0127 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.160 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.171 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.171 0.0762 0.0762 Masiero 2011ApJ...741...68M NEATM
0.182 0.0360 0.0360 Ali-Lagoa 2018A&A...612A..85A NEATM
0.184 0.0370 0.0370 Ali-Lagoa 2018A&A...612A..85A NEATM
0.210 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.242 0.0100 0.0100 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
7.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
23.9845 2 Sidereal Hanus 2013Icar..226.1045H Model
23.9845 2 Sidereal Torppa 2003Icar..164..346T Model
23.98475 2 Sidereal Vernazza 2021A&A...654A..56V Model
23.99 2 Synodic Zeigler 1985Icar...62..512Z Lightcurve
24.0 1 Synodic Behrend LCDB Lightcurve
24.0 2 Synodic Harris 1980Icar...43...20H Lightcurve
24.0 2 Synodic Harris 1989Icar...81..314H Lightcurve
24.0 2 Synodic Harris 1992Icar...95..115H Lightcurve
24.0055 3 Synodic Harris 1999Icar..142..173H Lightcurve
24.02 2 Synodic Behrend LCDB Lightcurve
7.996 0 Synodic Yang LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S L 0.660000 0.280000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
K 0.283 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
M L 0.630000 0.200000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Bus-DeMeo VISNIR Hasegawa 2017PASJ...69...99H SPEC
S Tholen VIS Clark 1995Icar..113..387C PHOT
S S 1.0000 0.2710 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sl Bus VIS Bus 2002Icar..158..146B SPEC