Yunnan

02230, 1953 RW, 1953RW, 1956 EY, 1956EY, 1964 YK, 1964YK, 1976 JW1, 1976JW1, 1978 UT1, 1978UT1, J53R00W, J56E00Y, J64Y00K, J76J01W, J78U01T

All data for this body: [vot]

MPC data
Name (number) Yunnan (2230)
a 2.85935
e 0.06021
i / sin(i) 2.5727 / 0.04489
q 2.68717
Q 3.03152
ω 255.0393
Node 153.6769
m 222.0981
n 0.2038
Epoch 2460800.5
nobs 6350
nopp 40
Years observed 1949-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.858
ep 0.043
sin(ip) 0.038
G 0.150
H 12.170
Mass
D 11.43 0.109
pV 0.258 0.0519
Value
Rotational Period 10.038
Period quality 2
Spectral Class None
Spectral Class Score
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 -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8582 0.0429 0.0380 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.43 0.109 0.109 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.0519 0.0519 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
12.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.03805 2 Sidereal Durech 2019A&A...631A...2D Model
10.0381 2 Sidereal Durech 2018A&A...620A..91D Model
10.0381 2 Sidereal Durech 2023A&A...675A..24D Model
10.039 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve