Amelia

00986, 1915 JC, 1915JC, 1922 UA, 1922UA, 1935 BK, 1935BK, 1966 VA, 1966VA, J15J00C, J22U00A, J35B00K, J66V00A

All data for this body: [vot]

MPC data
Name (number) Amelia (986)
a 3.13122
e 0.20311
i / sin(i) 14.8166 / 0.25573
q 2.49525
Q 3.76718
ω 264.9540
Node 92.5026
m 171.5353
n 0.1779
Epoch 2460800.5
nobs 5933
nopp 42
Years observed 1926-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.142
ep 0.154
sin(ip) 0.244
G 0.150
H 9.370
Mass
D 49.60 0.150
pV 0.113 0.0039
Value
Rotational Period 9.500
Period quality 3
Spectral Class T
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1418 0.1542 0.2438 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
48.68 0.160 0.160 Masiero 2014ApJ...791..121M NEATM
50.94 1.200 1.200 Tedesco 2002AJ....123.1056T STM
51.64 10.330 10.330 Ali-Lagoa 2018A&A...612A..85A NEATM
51.87 5.190 5.190 Ali-Lagoa 2018A&A...612A..85A NEATM
52.30 0.780 0.780 Usui 2011PASJ...63.1117U NEATM
53.77 1.748 1.748 Ryan&Woodward 2010AJ....140..933R IRAS-STM
56.83 3.340 3.340 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
60.19 0.608 0.608 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.085 0.0125 0.0125 Masiero 2011ApJ...741...68M NEATM
0.097 0.0114 0.0114 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.107 0.0069 0.0069 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.118 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.125 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.126 0.0500 0.0500 Ali-Lagoa 2018A&A...612A..85A NEATM
0.220 0.0200 0.0200 Masiero 2014ApJ...791..121M 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
9.37 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.5143 3 Synodic Hamanowa LCDB Lightcurve
9.5168 3 Synodic Behrend LCDB Lightcurve
9.51856 2 Sidereal Hanus 2016A&A...586A.108H Model
9.52 1 Synodic Almeida 2004A&A...415..403A Lightcurve
9.52 3 Synodic Koff 2001MPBu...28...77K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
M 0.860000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Bus VIS Lazzaro 2004Icar..172..179L SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC
K K 0.4458 0.4458 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
L 0.949 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT