Elachi

04116, 1976 GA4, 1976GA4, 1982 SU, 1982SU, 1989 EK1, 1989EK1, J76G04A, J82S00U, J89E01K

All data for this body: [vot]

MPC data
Name (number) Elachi (4116)
a 1.87247
e 0.08038
i / sin(i) 24.1117 / 0.40852
q 1.72195
Q 2.02298
ω 322.8354
Node 185.0469
m 86.3256
n 0.3847
Epoch 2460800.5
nobs 4705
nopp 24
Years observed 1977-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.872
ep 0.103
sin(ip) 0.397
G 0.150
H 13.840
Mass
D 4.31 0.021
pV 0.283 0.0251
Value
Rotational Period 38.140
Period quality 3
Spectral Class S
Spectral Class Score 26.973
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8723 0.1027 0.3967 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.26 0.022 0.022 Masiero 2011ApJ...741...68M NEATM
4.41 0.840 0.840 Nugent 2016AJ....152...63N NEATM
4.69 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
4.83 1.150 1.150 Nugent 2016AJ....152...63N NEATM
5.11 0.200 0.200 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.190 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.240 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.245 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM
0.420 0.1200 0.1200 Masiero 2014ApJ...791..121M NEATM
0.509 0.0708 0.0708 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
13.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 1 Synodic Behrend LCDB Lightcurve
38.096 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
38.12 3- Synodic Warner 2006MPBu...33...35W Lightcurve
38.143 3 Synodic Warner 2012MPBu...39..245W Lightcurve
38.3 3 Synodic Warner 2011MPBu...38...25W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Carvano 2001Icar..149..173C SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.149 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.6882 0.6882 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SI Bus VIS Bus 2002Icar..158..146B SPEC
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC
XS 0.51 Bus VIS Carvano 2010A&A...510A..43C PHOT