Zhongyuechen

1989 SX11, 1989SX11, 1997 GH5, 1997GH5, 1999 RB132, 1999RB132, 21725, J89S11X, J97G05H, J99RD2B

All data for this body: [vot]

MPC data
Name (number) Zhongyuechen (21725)
a 2.97981
e 0.09941
i / sin(i) 9.7335 / 0.16907
q 2.68358
Q 3.27604
ω 225.8981
Node 188.1028
m 287.8023
n 0.1916
Epoch 2460800.5
nobs 2631
nopp 24
Years observed 1989-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.979
ep 0.082
sin(ip) 0.172
G 0.150
H 13.880
Mass
D
pV
Value
Rotational Period 3.094
Period quality 2
Spectral Class X
Spectral Class Score 2.892
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3310 Patsy -1 Patsy -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.6100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9793 0.0820 0.1715 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.09416 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X 0.482 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT