Semois

07174, 1980 RH3, 1980RH3, 1988 SQ, 1988SQ, J80R03H, J88S00Q

All data for this body: [vot]

MPC data
Name (number) Semois (7174)
a 3.99775
e 0.17477
i / sin(i) 12.6469 / 0.21894
q 3.29908
Q 4.69641
ω 289.8274
Node 354.3739
m 260.7537
n 0.1233
Epoch 2460800.5
nobs 3971
nopp 27
Years observed 1955-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.967
ep 0.207
sin(ip) 0.221
G 0.150
H 11.720
Mass
D 25.57 0.283
pV 0.074 0.0084
Value
Rotational Period 7.450
Period quality 2+
Spectral Class L
Spectral Class Score 2.646
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9670 0.2073 0.2210 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
25.53 0.330 0.330 Grav 2012ApJ...744..197G NEATM
25.67 0.550 0.550 Grav 2012ApJ...744..197G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.074 0.0110 0.0110 Grav 2012ApJ...744..197G NEATM
0.075 0.0130 0.0130 Grav 2012ApJ...744..197G 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
11.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
34.6676 2 Synodic Pal 2020ApJS..247...26P Lightcurve
7.456 2+ Synodic Warner 2017MPBu...44..331W Lightcurve
7.49 2 Synodic Warner 2021MPBu...48...40W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.441 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT