Liyuan

06741, 1981 UM21, 1981UM21, 1990 DA5, 1990DA5, 1990 DA6, 1990DA6, 1991 PD9, 1991PD9, 1994 FX, 1994FX, J81U21M, J90D05A, J90D06A, J91P09D, J94F00X

All data for this body: [vot]

MPC data
Name (number) Liyuan (6741)
a 2.30102
e 0.19595
i / sin(i) 5.7078 / 0.09946
q 1.85012
Q 2.75191
ω 127.5218
Node 164.7340
m 251.1587
n 0.2824
Epoch 2460800.5
nobs 7101
nopp 26
Years observed 1981-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.302
ep 0.167
sin(ip) 0.100
G 0.150
H 13.820
Mass
D 4.56 0.245
pV 0.369 0.0697
Value
Rotational Period 10.760
Period quality 3-
Spectral Class S
Spectral Class Score 1.410
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 1.0800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3019 0.1672 0.1003 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.95 0.810 0.810 Nugent 2016AJ....152...63N NEATM
4.62 0.257 0.257 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.330 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.396 0.0901 0.0901 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
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.768 3- Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.235 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT