Eijkman

09676, 1987 SL12, 1987SL12, 2023 P-L, 2023P-L, J87S12L, PLS2023

All data for this body: [vot]

MPC data
Name (number) Eijkman (9676)
a 3.08407
e 0.15876
i / sin(i) 0.6110 / 0.01066
q 2.59444
Q 3.57370
ω 357.3612
Node 321.6938
m 11.8947
n 0.1820
Epoch 2460800.5
nobs 2812
nopp 31
Years observed 1954-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.084
ep 0.141
sin(ip) 0.029
G 0.150
H 13.680
Mass
D 9.96 0.140
pV 0.071 0.0063
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 4.356
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.4400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0836 0.1408 0.0291 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.96 0.140 0.140 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0063 0.0063 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
13.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.141 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B B 0.2517 0.2480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT