1998 EM19

1998EM19, 18645, 1995 WV40, 1995WV40, 2000 QO83, 2000QO83, 2000 QP129, 2000QP129, 2014 T-1, 2014T-1, J95W40V, J98E19M, K00Q83O, K00QC9P, T1S2014

All data for this body: [vot]

MPC data
Name (number) 1998 EM19 (18645)
a 3.10508
e 0.15491
i / sin(i) 0.3579 / 0.00625
q 2.62409
Q 3.58608
ω 3.8977
Node 254.0501
m 255.7774
n 0.1801
Epoch 2460800.5
nobs 2428
nopp 28
Years observed 1971-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.106
ep 0.174
sin(ip) 0.026
G 0.150
H 13.880
Mass
D 9.76 0.092
pV 0.044 0.0051
Value
Rotational Period 3.690
Period quality 2
Spectral Class B
Spectral Class Score 4.410
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 -0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1061 0.1743 0.0261 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.49 0.160 0.160 Masiero 2011ApJ...741...68M NEATM
9.40 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
9.40 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0051 0.0051 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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.68 2 Synodic Chang 2015ApJS..219...27C Lightcurve
3.693 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.4017 0.4017 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.70 Bus VIS Carvano 2010A&A...510A..43C PHOT