Lionel

09504, 1978 RC2, 1978RC2, 2224 T-2, 2224T-2, J78R02C, T2S2224

All data for this body: [vot]

MPC data
Name (number) Lionel (9504)
a 2.94964
e 0.08005
i / sin(i) 2.3886 / 0.04168
q 2.71353
Q 3.18575
ω 324.8308
Node 41.5790
m 72.4707
n 0.1946
Epoch 2460800.5
nobs 2890
nopp 29
Years observed 1971-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.946
ep 0.044
sin(ip) 0.034
G 0.150
H 13.840
Mass
D 4.81 0.359
pV 0.253 0.0630
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.304
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.7300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9462 0.0445 0.0344 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.81 0.359 0.359 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.253 0.0630 0.0630 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
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.884 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT