Heyuan

03746, 1935 SD2, 1935SD2, 1964 TC1, 1964TC1, 1976 YM5, 1976YM5, 1981 RS4, 1981RS4, J35S02D, J64T01C, J76Y05M, J81R04S

All data for this body: [vot]

MPC data
Name (number) Heyuan (3746)
a 3.18087
e 0.24766
i / sin(i) 1.0270 / 0.01792
q 2.39309
Q 3.96865
ω 304.0354
Node 24.4894
m 272.2516
n 0.1737
Epoch 2460800.5
nobs 3262
nopp 33
Years observed 1935-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.200
ep 0.211
sin(ip) 0.023
G 0.150
H 12.840
Mass
D 15.07 0.627
pV 0.072 0.0148
Value
Rotational Period 16.300
Period quality 2
Spectral Class B
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2003 0.2111 0.0229 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.97 3.150 3.150 Nugent 2016AJ....152...63N NEATM
15.20 0.640 0.640 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM
0.080 0.0300 0.0300 Nugent 2016AJ....152...63N 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
12.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.301 2 Sidereal Durech 2016A&A...587A..48D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.44 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.1847 0.1847 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT