Emelyanenko

05617, 1987 UG2, 1987UG2, 1989 EL, 1989EL, 1990 OR4, 1990OR4, J87U02G, J89E00L, J90O04R

All data for this body: [vot]

MPC data
Name (number) Emelyanenko (5617)
a 2.42428
e 0.14438
i / sin(i) 5.4249 / 0.09454
q 2.07426
Q 2.77429
ω 255.8355
Node 243.1114
m 232.5088
n 0.2611
Epoch 2460800.5
nobs 5864
nopp 28
Years observed 1955-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.425
ep 0.177
sin(ip) 0.112
G 0.150
H 13.900
Mass
D 4.74 1.540
pV 0.190 0.1200
Value
Rotational Period 193.440
Period quality 2
Spectral Class S
Spectral Class Score 7.988
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4248 0.1770 0.1124 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.74 1.540 1.540 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.190 0.1200 0.1200 Nugent 2016AJ....152...63N 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
13.90 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
193.449 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.303 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8684 0.8684 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT