Heyman

07738, 1981 WS1, 1981WS1, 1991 UW, 1991UW, J81W01S, J91U00W

All data for this body: [vot]

MPC data
Name (number) Heyman (7738)
a 2.24963
e 0.18233
i / sin(i) 5.9569 / 0.10378
q 1.83945
Q 2.65980
ω 220.4031
Node 66.2614
m 65.1947
n 0.2921
Epoch 2460800.5
nobs 4234
nopp 24
Years observed 1981-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.250
ep 0.152
sin(ip) 0.091
G 0.150
H 14.140
Mass
D 3.86 0.232
pV 0.327 0.0706
Value
Rotational Period 6.669
Period quality 2
Spectral Class S
Spectral Class Score 17.111
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.4300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2502 0.1524 0.0906 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.86 0.232 0.232 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.327 0.0706 0.0706 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
14.14 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.66876 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.5484 0.6830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.636 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4813 0.6830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8208 0.6830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.6830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT