Wallonia

03198, 1981 YH1, 1981YH1, J81Y01H

All data for this body: [vot]

MPC data
Name (number) Wallonia (3198)
a 2.18113
e 0.23790
i / sin(i) 17.9640 / 0.30842
q 1.66224
Q 2.70001
ω 40.5553
Node 83.4946
m 150.1730
n 0.3060
Epoch 2460800.5
nobs 3987
nopp 26
Years observed 1981-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.180
ep 0.212
sin(ip) 0.297
G 0.150
H 13.120
Mass
D 4.50 0.700
pV 0.500 0.1500
Value
Rotational Period 7.560
Period quality 3
Spectral Class Sqw
Spectral Class Score 42.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1803 0.2116 0.2966 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.50 0.700 0.700 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.500 0.1500 0.1500 Ali-Lagoa 2017A&A...603A..55A 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
13.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.54 3 Synodic Warner 2008MPBu...35..163W Lightcurve
7.561 3- Synodic Stephens 2021MPBu...48..246S Lightcurve
7.56574 2 Sidereal Durech 2020A&A...643A..59D Model
7.569 3 Synodic Stephens 2018MPBu...45..353S Lightcurve
7.58 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K Bus VIS Lazzaro 2004Icar..172..179L SPEC
Sqw Binzel 2010Natur.463..331B SPEC
Sqw Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Sqw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
K Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.850000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sk Bus VIS Angeli 2002A&A...391..757A SPEC