Siberia

01094, 1918 EJ, 1918EJ, 1926 CB, 1926CB, J18E00J, J26C00B

All data for this body: [vot]

MPC data
Name (number) Siberia (1094)
a 2.54651
e 0.13074
i / sin(i) 14.0231 / 0.24231
q 2.21359
Q 2.87943
ω 310.7001
Node 149.0778
m 180.0885
n 0.2425
Epoch 2460800.5
nobs 6406
nopp 41
Years observed 1935-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.546
ep 0.155
sin(ip) 0.234
G 0.150
H 11.660
Mass
D 18.05 0.138
pV 0.108 0.0056
Value
Rotational Period 21.100
Period quality 2
Spectral Class Xk
Spectral Class Score 26.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -2.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5465 0.1548 0.2343 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.58 0.629 0.629 Ryan&Woodward 2010AJ....140..933R IRAS-STM
17.08 6.340 6.340 Nugent 2016AJ....152...63N NEATM
17.28 3.580 3.580 Masiero 2021PSJ.....2..162M NEATM
17.87 0.180 0.180 Masiero 2012ApJ...759L...8M NEATM
18.05 1.000 1.000 Tedesco 2002AJ....123.1056T STM
18.18 4.010 4.010 Masiero 2020PSJ.....1....5M NEATM
18.79 0.240 0.240 Usui 2011PASJ...63.1117U NEATM
19.24 1.920 1.920 Ali-Lagoa 2018A&A...612A..85A NEATM
22.01 2.693 2.693 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
22.75 2.280 2.280 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.066 0.0158 0.0158 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.083 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.094 0.0110 0.0110 Tedesco 2002AJ....123.1056T STM
0.102 0.0600 0.0600 Masiero 2020PSJ.....1....5M NEATM
0.110 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.111 0.0370 0.0560 Masiero 2021PSJ.....2..162M NEATM
0.117 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A NEATM
0.127 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.145 0.0126 0.0126 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
11.66 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.15 2 Sidereal Durech 2019A&A...631A...2D Model
21.15 2 Sidereal Durech 2023A&A...675A..24D Model
21.15 2 Synodic Bembrick 2007MPBu...34...67B Lightcurve
21.1526 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.994 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
M P 0.730000 0.220000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
M P 0.900000 0.100000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Tholen VISNIR Nathues 2010Icar..208..252N SPEC+PHOT
T Bus VIS Lazzaro 2004Icar..172..179L SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Xk Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Xk Bus VIS Bus 2002Icar..158..146B SPEC