Elsasser

04385, 1977 QE2, 1977QE2, 1977 RZ2, 1977RZ2, 1987 KA5, 1987KA5, 2534 P-L, 2534P-L, J77Q02E, J77R02Z, J87K05A, PLS2534

All data for this body: [vot]

MPC data
Name (number) Elsasser (4385)
a 3.16363
e 0.18488
i / sin(i) 0.5743 / 0.01002
q 2.57872
Q 3.74854
ω 309.6737
Node 61.1742
m 138.8130
n 0.1752
Epoch 2460800.5
nobs 3686
nopp 31
Years observed 1960-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.178
ep 0.144
sin(ip) 0.015
G 0.150
H 13.090
Mass
D 10.81 0.759
pV 0.166 0.0371
Value
Rotational Period 5.500
Period quality 3-
Spectral Class B
Spectral Class Score 10.373
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 0.4800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1777 0.1439 0.0153 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.81 0.759 0.759 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.166 0.0371 0.0371 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
13.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.552 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.57 3- Synodic Chang 2014ApJ...788...17C Lightcurve
5.577 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.982 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B B 0.7468 0.7468 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT