Lyalya

02164, 1949 QF1, 1949QF1, 1953 FJ, 1953FJ, 1955 RW, 1955RW, 1955 SB2, 1955SB2, 1972 RM2, 1972RM2, 1976 GO7, 1976GO7, J49Q01F, J53F00J, J55R00W, J55S02B, J72R02M, J76G07O

All data for this body: [vot]

MPC data
Name (number) Lyalya (2164)
a 3.19193
e 0.13630
i / sin(i) 2.6338 / 0.04595
q 2.75688
Q 3.62698
ω 198.8555
Node 115.5010
m 136.1298
n 0.1728
Epoch 2460800.5
nobs 4741
nopp 37
Years observed 1949-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.175
ep 0.133
sin(ip) 0.026
G 0.150
H 12.040
Mass
D 20.10 0.134
pV 0.080 0.0079
Value
Rotational Period 7.700
Period quality 2+
Spectral Class B
Spectral Class Score 10.516
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.7000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1746 0.1326 0.0256 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.97 0.160 0.160 Masiero 2011ApJ...741...68M NEATM
20.29 0.255 0.255 Masiero 2011ApJ...741...68M NEATM
21.04 4.210 4.210 Ali-Lagoa 2018A&A...612A..85A NEATM
21.51 0.830 0.830 Usui 2011PASJ...63.1117U NEATM
22.60 4.520 4.520 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.062 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.072 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A NEATM
0.082 0.0142 0.0142 Masiero 2011ApJ...741...68M NEATM
0.084 0.0111 0.0111 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
12.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.57 2- Synodic Chang 2016ApJS..227...20C Lightcurve
7.705 2+ Synodic Ditteon 2018MPBu...45..338D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B B 0.1634 0.2690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.2185 0.2690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.6137 0.2690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.7570 0.2690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Cgx Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT