Atropos

00273, 1888 EA, 1888EA, 1910 CC, 1910CC, I88E00A, J10C00C

All data for this body: [vot]

MPC data
Name (number) Atropos (273)
a 2.39450
e 0.16139
i / sin(i) 20.4441 / 0.34929
q 2.00805
Q 2.78095
ω 121.4433
Node 158.8136
m 258.3564
n 0.2660
Epoch 2460800.5
nobs 7624
nopp 43
Years observed 1889-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.395
ep 0.175
sin(ip) 0.354
G 0.150
H 10.520
Mass
D 32.69 0.167
pV 0.133 0.0068
Value
Rotational Period 23.920
Period quality 3
Spectral Class X
Spectral Class Score 12.586
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3950 0.1753 0.3544 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
26.33 8.140 8.140 Nugent 2016AJ....152...63N NEATM
28.26 6.140 6.140 Nugent 2016AJ....152...63N NEATM
29.27 1.300 1.300 Tedesco 2002AJ....123.1056T STM
29.77 0.480 0.480 Masiero 2014ApJ...791..121M NEATM
31.00 1.849 1.849 Ryan&Woodward 2010AJ....140..933R IRAS-STM
31.37 0.330 0.330 Usui 2011PASJ...63.1117U NEATM
32.30 1.333 1.333 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
33.99 0.219 0.219 Masiero 2011ApJ...741...68M NEATM
34.28 3.430 3.430 Ali-Lagoa 2018A&A...612A..85A NEATM
36.61 3.660 3.660 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.090 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.103 0.0210 0.0210 Ali-Lagoa 2018A&A...612A..85A NEATM
0.120 0.0544 0.0544 Masiero 2011ApJ...741...68M NEATM
0.130 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.133 0.0115 0.0115 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.140 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.146 0.0174 0.0174 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.162 0.0150 0.0150 Tedesco 2002AJ....123.1056T STM
0.210 0.0500 0.0500 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
10.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.0 2 Synodic Tedesco LCDB Lightcurve
23.852 2 Synodic Warner 2007MPBu...34..104W Lightcurve
23.924 3 Synodic Pilcher 2013MPBu...40...81P Lightcurve
23.9278 2 Sidereal Durech 2020A&A...643A..59D Model
23.928 2 Sidereal Durech 2023A&A...675A..24D Model
23.928 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.78 Bus VIS Carvano 2010A&A...510A..43C PHOT
K Tholen VIS Lazzaro 2004Icar..172..179L SPEC
M P 0.830000 0.170000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Carvano 2001Icar..149..173C SPEC
X 0.853 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.4114 0.4114 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xk Bus VIS Lazzaro 2004Icar..172..179L SPEC