Zhang Heng

ZhangHeng, 01802, 1933 FH, 1933FH, 1936 YB, 1936YB, 1938 EB1, 1938EB1, 1948 JN, 1948JN, 1949 OV, 1949OV, 1955 YB, 1955YB, 1964 TW1, 1964TW1, 1972 JX, 1972JX, J33F00H, J36Y00B, J38E01B, J48J00N, J49O00V, J55Y00B, J64T01W, J72J00X

All data for this body: [vot]

MPC data
Name (number) Zhang Heng (1802)
a 2.84373
e 0.03291
i / sin(i) 2.6928 / 0.04698
q 2.75014
Q 2.93731
ω 299.6887
Node 142.5246
m 163.1720
n 0.2055
Epoch 2460800.5
nobs 5488
nopp 39
Years observed 1949-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.843
ep 0.044
sin(ip) 0.036
G 0.150
H 11.680
Mass
D 13.27 0.058
pV 0.251 0.0151
Value
Rotational Period 3.160
Period quality 3-
Spectral Class S
Spectral Class Score 4.758
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 -0.7500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8432 0.0439 0.0362 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.36 0.281 0.281 Masiero 2011ApJ...741...68M NEATM
12.44 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
13.33 0.110 0.110 Masiero 2014ApJ...791..121M NEATM
13.75 0.087 0.087 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.217 0.0515 0.0515 Masiero 2011ApJ...741...68M NEATM
0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.260 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.265 0.0201 0.0201 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
11.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.1554 2+ Synodic Mannucci 2019MPBu...46..277M Lightcurve
3.16 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.161 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
3.161 3- Synodic Carreno 2020MPBu...47....7C Lightcurve
3.162 2+ Synodic Simpson 2013MPBu...40..146S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.793 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT