Maoyisheng

18550, 1997 AN14, 1997AN14, 1998 HX97, 1998HX97, J97A14N, J98H97X

All data for this body: [vot]

MPC data
Name (number) Maoyisheng (18550)
a 3.00111
e 0.03546
i / sin(i) 6.7758 / 0.11799
q 2.89470
Q 3.10753
ω 198.5954
Node 255.6510
m 193.8737
n 0.1896
Epoch 2460800.5
nobs 2508
nopp 23
Years observed 1997-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.000
ep 0.051
sin(ip) 0.138
G 0.150
H 13.910
Mass
D 9.29 0.223
pV 0.068 0.0125
Value
Rotational Period 8.800
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0001 0.0508 0.1375 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.29 0.223 0.223 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0125 0.0125 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
13.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.81 2 Synodic Waszczak 2015AJ....150...75W Lightcurve