Siegfried

15147, 1986 YM1, 1986YM1, 2000 EJ134, 2000EJ134, J86Y01M, K00ED4J

All data for this body: [vot]

MPC data
Name (number) Siegfried (15147)
a 3.24761
e 0.00612
i / sin(i) 8.9377 / 0.15536
q 3.22773
Q 3.26748
ω 319.2205
Node 57.9014
m 277.8714
n 0.1684
Epoch 2460800.5
nobs 3509
nopp 24
Years observed 1986-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.239
ep 0.028
sin(ip) 0.141
G 0.150
H 12.930
Mass
D 18.15 0.172
pV 0.036 0.0038
Value
Rotational Period 3.838
Period quality 2
Spectral Class X
Spectral Class Score 6.213
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2393 0.0281 0.1415 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.10 0.173 0.173 Masiero 2011ApJ...741...68M NEATM
21.58 1.560 1.560 Usui 2011PASJ...63.1117U NEATM
22.18 4.440 4.440 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.037 0.0040 0.0040 Masiero 2011ApJ...741...68M 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
12.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.83815 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.71 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.782 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.7022 0.7022 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT