Yangchenning

03421, 1953 ED1, 1953ED1, 1975 WK1, 1975WK1, 1978 SK7, 1978SK7, J53E01D, J75W01K, J78S07K

All data for this body: [vot]

MPC data
Name (number) Yangchenning (3421)
a 2.23331
e 0.09227
i / sin(i) 2.4661 / 0.04303
q 2.02724
Q 2.43938
ω 205.4874
Node 243.5169
m 278.8451
n 0.2953
Epoch 2460800.5
nobs 4069
nopp 32
Years observed 1953-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.234
ep 0.123
sin(ip) 0.053
G 0.150
H 13.810
Mass
D 3.95 0.104
pV 0.451 0.0869
Value
Rotational Period 4.900
Period quality 3
Spectral Class S
Spectral Class Score 6.926
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2336 0.1229 0.0535 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.95 0.104 0.104 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.451 0.0869 0.0869 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
13.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.99 3 Synodic Benishek 2019MPBu...46..208B Lightcurve
4.99166 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9876 0.5190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT